cregit-Linux how code gets into the kernel

Release 4.12 include/trace/events/ext4.h


#undef TRACE_SYSTEM

#define TRACE_SYSTEM ext4

#if !defined(_TRACE_EXT4_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_EXT4_H

#include <linux/writeback.h>
#include <linux/tracepoint.h>

struct ext4_allocation_context;
struct ext4_allocation_request;
struct ext4_extent;
struct ext4_prealloc_space;
struct ext4_inode_info;
struct mpage_da_data;
struct ext4_map_blocks;
struct extent_status;
struct ext4_fsmap;


#define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode))


#define show_mballoc_flags(flags) __print_flags(flags, "|",       \
        { EXT4_MB_HINT_MERGE,           "HINT_MERGE" },         \
        { EXT4_MB_HINT_RESERVED,        "HINT_RESV" },          \
        { EXT4_MB_HINT_METADATA,        "HINT_MDATA" },         \
        { EXT4_MB_HINT_FIRST,           "HINT_FIRST" },         \
        { EXT4_MB_HINT_BEST,            "HINT_BEST" },          \
        { EXT4_MB_HINT_DATA,            "HINT_DATA" },          \
        { EXT4_MB_HINT_NOPREALLOC,      "HINT_NOPREALLOC" },    \
        { EXT4_MB_HINT_GROUP_ALLOC,     "HINT_GRP_ALLOC" },     \
        { EXT4_MB_HINT_GOAL_ONLY,       "HINT_GOAL_ONLY" },     \
        { EXT4_MB_HINT_TRY_GOAL,        "HINT_TRY_GOAL" },      \
        { EXT4_MB_DELALLOC_RESERVED,    "DELALLOC_RESV" },      \
        { EXT4_MB_STREAM_ALLOC,         "STREAM_ALLOC" },       \
        { EXT4_MB_USE_ROOT_BLOCKS,      "USE_ROOT_BLKS" },      \
        { EXT4_MB_USE_RESERVED,         "USE_RESV" })


#define show_map_flags(flags) __print_flags(flags, "|",                       \
        { EXT4_GET_BLOCKS_CREATE,               "CREATE" },             \
        { EXT4_GET_BLOCKS_UNWRIT_EXT,           "UNWRIT" },             \
        { EXT4_GET_BLOCKS_DELALLOC_RESERVE,     "DELALLOC" },           \
        { EXT4_GET_BLOCKS_PRE_IO,               "PRE_IO" },             \
        { EXT4_GET_BLOCKS_CONVERT,              "CONVERT" },            \
        { EXT4_GET_BLOCKS_METADATA_NOFAIL,      "METADATA_NOFAIL" },    \
        { EXT4_GET_BLOCKS_NO_NORMALIZE,         "NO_NORMALIZE" },       \
        { EXT4_GET_BLOCKS_KEEP_SIZE,            "KEEP_SIZE" },          \
        { EXT4_GET_BLOCKS_ZERO,                 "ZERO" })


#define show_mflags(flags) __print_flags(flags, "",        \
        { EXT4_MAP_NEW,         "N" },                  \
        { EXT4_MAP_MAPPED,      "M" },                  \
        { EXT4_MAP_UNWRITTEN,   "U" },                  \
        { EXT4_MAP_BOUNDARY,    "B" })


#define show_free_flags(flags) __print_flags(flags, "|",       \
        { EXT4_FREE_BLOCKS_METADATA,            "METADATA" },   \
        { EXT4_FREE_BLOCKS_FORGET,              "FORGET" },     \
        { EXT4_FREE_BLOCKS_VALIDATED,           "VALIDATED" },  \
        { EXT4_FREE_BLOCKS_NO_QUOT_UPDATE,      "NO_QUOTA" },   \
        { EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER,"1ST_CLUSTER" },\
        { EXT4_FREE_BLOCKS_NOFREE_LAST_CLUSTER, "LAST_CLUSTER" })


#define show_extent_status(status) __print_flags(status, "",       \
        { EXTENT_STATUS_WRITTEN,        "W" },                  \
        { EXTENT_STATUS_UNWRITTEN,      "U" },                  \
        { EXTENT_STATUS_DELAYED,        "D" },                  \
        { EXTENT_STATUS_HOLE,           "H" })


#define show_falloc_mode(mode) __print_flags(mode, "|",                \
        { FALLOC_FL_KEEP_SIZE,          "KEEP_SIZE"},           \
        { FALLOC_FL_PUNCH_HOLE,         "PUNCH_HOLE"},          \
        { FALLOC_FL_NO_HIDE_STALE,      "NO_HIDE_STALE"},       \
        { FALLOC_FL_COLLAPSE_RANGE,     "COLLAPSE_RANGE"},      \
        { FALLOC_FL_ZERO_RANGE,         "ZERO_RANGE"})


TRACE_EVENT(ext4_other_inode_update_time,
	TP_PROTO(struct inode *inode, ino_t orig_ino),

	TP_ARGS(inode, orig_ino),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        ino_t,  orig_ino                )
                __field(        uid_t,  uid                     )
                __field(        gid_t,  gid                     )
                __field(        __u16, mode                     )
        ),

	TP_fast_assign(
                __entry->orig_ino = orig_ino;
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->uid    = i_uid_read(inode);
                __entry->gid    = i_gid_read(inode);
                __entry->mode   = inode->i_mode;
        ),

	TP_printk("dev %d,%d orig_ino %lu ino %lu mode 0%o uid %u gid %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->orig_ino,
                  (unsigned long) __entry->ino, __entry->mode,
                  __entry->uid, __entry->gid)
);

TRACE_EVENT(ext4_free_inode,
	TP_PROTO(struct inode *inode),

	TP_ARGS(inode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        uid_t,  uid                     )
                __field(        gid_t,  gid                     )
                __field(        __u64, blocks                   )
                __field(        __u16, mode                     )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->uid    = i_uid_read(inode);
                __entry->gid    = i_gid_read(inode);
                __entry->blocks = inode->i_blocks;
                __entry->mode   = inode->i_mode;
        ),

	TP_printk("dev %d,%d ino %lu mode 0%o uid %u gid %u blocks %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->mode,
                  __entry->uid, __entry->gid, __entry->blocks)
);

TRACE_EVENT(ext4_request_inode,
	TP_PROTO(struct inode *dir, int mode),

	TP_ARGS(dir, mode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  dir                     )
                __field(        __u16, mode                     )
        ),

	TP_fast_assign(
                __entry->dev    = dir->i_sb->s_dev;
                __entry->dir    = dir->i_ino;
                __entry->mode   = mode;
        ),

	TP_printk("dev %d,%d dir %lu mode 0%o",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->dir, __entry->mode)
);

TRACE_EVENT(ext4_allocate_inode,
	TP_PROTO(struct inode *inode, struct inode *dir, int mode),

	TP_ARGS(inode, dir, mode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        ino_t,  dir                     )
                __field(        __u16,  mode                    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->dir    = dir->i_ino;
                __entry->mode   = mode;
        ),

	TP_printk("dev %d,%d ino %lu dir %lu mode 0%o",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned long) __entry->dir, __entry->mode)
);

TRACE_EVENT(ext4_evict_inode,
	TP_PROTO(struct inode *inode),

	TP_ARGS(inode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        int,    nlink                   )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->nlink  = inode->i_nlink;
        ),

	TP_printk("dev %d,%d ino %lu nlink %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->nlink)
);

TRACE_EVENT(ext4_drop_inode,
	TP_PROTO(struct inode *inode, int drop),

	TP_ARGS(inode, drop),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        int,    drop                    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->drop   = drop;
        ),

	TP_printk("dev %d,%d ino %lu drop %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->drop)
);

TRACE_EVENT(ext4_mark_inode_dirty,
	TP_PROTO(struct inode *inode, unsigned long IP),

	TP_ARGS(inode, IP),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(unsigned long,  ip                      )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->ip     = IP;
        ),

	TP_printk("dev %d,%d ino %lu caller %pS",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, (void *)__entry->ip)
);

TRACE_EVENT(ext4_begin_ordered_truncate,
	TP_PROTO(struct inode *inode, loff_t new_size),

	TP_ARGS(inode, new_size),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        loff_t, new_size                )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->new_size       = new_size;
        ),

	TP_printk("dev %d,%d ino %lu new_size %lld",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->new_size)
);

DECLARE_EVENT_CLASS(ext4__write_begin,

	TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
                 unsigned int flags),

	TP_ARGS(inode, pos, len, flags),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        loff_t, pos                     )
                __field(        unsigned int, len               )
                __field(        unsigned int, flags             )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->pos    = pos;
                __entry->len    = len;
                __entry->flags  = flags;
        ),

	TP_printk("dev %d,%d ino %lu pos %lld len %u flags %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->pos, __entry->len, __entry->flags)
);

DEFINE_EVENT(ext4__write_begin, ext4_write_begin,

	TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
		 unsigned int flags),

	TP_ARGS(inode, pos, len, flags)
);

DEFINE_EVENT(ext4__write_begin, ext4_da_write_begin,

	TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
		 unsigned int flags),

	TP_ARGS(inode, pos, len, flags)
);

DECLARE_EVENT_CLASS(ext4__write_end,
	TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
                        unsigned int copied),

	TP_ARGS(inode, pos, len, copied),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        loff_t, pos                     )
                __field(        unsigned int, len               )
                __field(        unsigned int, copied            )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->pos    = pos;
                __entry->len    = len;
                __entry->copied = copied;
        ),

	TP_printk("dev %d,%d ino %lu pos %lld len %u copied %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->pos, __entry->len, __entry->copied)
);

DEFINE_EVENT(ext4__write_end, ext4_write_end,

	TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
		 unsigned int copied),

	TP_ARGS(inode, pos, len, copied)
);

DEFINE_EVENT(ext4__write_end, ext4_journalled_write_end,

	TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
		 unsigned int copied),

	TP_ARGS(inode, pos, len, copied)
);

DEFINE_EVENT(ext4__write_end, ext4_da_write_end,

	TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
		 unsigned int copied),

	TP_ARGS(inode, pos, len, copied)
);

TRACE_EVENT(ext4_writepages,
	TP_PROTO(struct inode *inode, struct writeback_control *wbc),

	TP_ARGS(inode, wbc),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        long,   nr_to_write             )
                __field(        long,   pages_skipped           )
                __field(        loff_t, range_start             )
                __field(        loff_t, range_end               )
                __field(       pgoff_t, writeback_index         )
                __field(        int,    sync_mode               )
                __field(        char,   for_kupdate             )
                __field(        char,   range_cyclic            )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->nr_to_write    = wbc->nr_to_write;
                __entry->pages_skipped  = wbc->pages_skipped;
                __entry->range_start    = wbc->range_start;
                __entry->range_end      = wbc->range_end;
                __entry->writeback_index = inode->i_mapping->writeback_index;
                __entry->sync_mode      = wbc->sync_mode;
                __entry->for_kupdate    = wbc->for_kupdate;
                __entry->range_cyclic   = wbc->range_cyclic;
        ),

	TP_printk("dev %d,%d ino %lu nr_to_write %ld pages_skipped %ld "
		  "range_start %lld range_end %lld sync_mode %d "
		  "for_kupdate %d range_cyclic %d writeback_index %lu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->nr_to_write,
                  __entry->pages_skipped, __entry->range_start,
                  __entry->range_end, __entry->sync_mode,
                  __entry->for_kupdate, __entry->range_cyclic,
                  (unsigned long) __entry->writeback_index)
);

TRACE_EVENT(ext4_da_write_pages,
	TP_PROTO(struct inode *inode, pgoff_t first_page,
                 struct writeback_control *wbc),

	TP_ARGS(inode, first_page, wbc),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(      pgoff_t,  first_page              )
                __field(         long,  nr_to_write             )
                __field(          int,  sync_mode               )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->first_page     = first_page;
                __entry->nr_to_write    = wbc->nr_to_write;
                __entry->sync_mode      = wbc->sync_mode;
        ),

	TP_printk("dev %d,%d ino %lu first_page %lu nr_to_write %ld "
		  "sync_mode %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->first_page,
                  __entry->nr_to_write, __entry->sync_mode)
);

TRACE_EVENT(ext4_da_write_pages_extent,
	TP_PROTO(struct inode *inode, struct ext4_map_blocks *map),

	TP_ARGS(inode, map),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  lblk                    )
                __field(        __u32,  len                     )
                __field(        __u32,  flags                   )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->lblk           = map->m_lblk;
                __entry->len            = map->m_len;
                __entry->flags          = map->m_flags;
        ),

	TP_printk("dev %d,%d ino %lu lblk %llu len %u flags %s",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->lblk, __entry->len,
                  show_mflags(__entry->flags))
);

TRACE_EVENT(ext4_writepages_result,
	TP_PROTO(struct inode *inode, struct writeback_control *wbc,
                        int ret, int pages_written),

	TP_ARGS(inode, wbc, ret, pages_written),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        int,    ret                     )
                __field(        int,    pages_written           )
                __field(        long,   pages_skipped           )
                __field(       pgoff_t, writeback_index         )
                __field(        int,    sync_mode               )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->ret            = ret;
                __entry->pages_written  = pages_written;
                __entry->pages_skipped  = wbc->pages_skipped;
                __entry->writeback_index = inode->i_mapping->writeback_index;
                __entry->sync_mode      = wbc->sync_mode;
        ),

	TP_printk("dev %d,%d ino %lu ret %d pages_written %d pages_skipped %ld "
		  "sync_mode %d writeback_index %lu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->ret,
                  __entry->pages_written, __entry->pages_skipped,
                  __entry->sync_mode,
                  (unsigned long) __entry->writeback_index)
);

DECLARE_EVENT_CLASS(ext4__page_op,
	TP_PROTO(struct page *page),

	TP_ARGS(page),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        pgoff_t, index                  )

        ),

	TP_fast_assign(
                __entry->dev    = page->mapping->host->i_sb->s_dev;
                __entry->ino    = page->mapping->host->i_ino;
                __entry->index  = page->index;
        ),

	TP_printk("dev %d,%d ino %lu page_index %lu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned long) __entry->index)
);

DEFINE_EVENT(ext4__page_op, ext4_writepage,

	TP_PROTO(struct page *page),

	TP_ARGS(page)
);

DEFINE_EVENT(ext4__page_op, ext4_readpage,

	TP_PROTO(struct page *page),

	TP_ARGS(page)
);

DEFINE_EVENT(ext4__page_op, ext4_releasepage,

	TP_PROTO(struct page *page),

	TP_ARGS(page)
);

DECLARE_EVENT_CLASS(ext4_invalidatepage_op,
	TP_PROTO(struct page *page, unsigned int offset, unsigned int length),

	TP_ARGS(page, offset, length),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        pgoff_t, index                  )
                __field(        unsigned int, offset            )
                __field(        unsigned int, length            )
        ),

	TP_fast_assign(
                __entry->dev    = page->mapping->host->i_sb->s_dev;
                __entry->ino    = page->mapping->host->i_ino;
                __entry->index  = page->index;
                __entry->offset = offset;
                __entry->length = length;
        ),

	TP_printk("dev %d,%d ino %lu page_index %lu offset %u length %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned long) __entry->index,
                  __entry->offset, __entry->length)
);

DEFINE_EVENT(ext4_invalidatepage_op, ext4_invalidatepage,
	TP_PROTO(struct page *page, unsigned int offset, unsigned int length),

	TP_ARGS(page, offset, length)
);

DEFINE_EVENT(ext4_invalidatepage_op, ext4_journalled_invalidatepage,
	TP_PROTO(struct page *page, unsigned int offset, unsigned int length),

	TP_ARGS(page, offset, length)
);

TRACE_EVENT(ext4_discard_blocks,
	TP_PROTO(struct super_block *sb, unsigned long long blk,
                        unsigned long long count),

	TP_ARGS(sb, blk, count),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        __u64,  blk                     )
                __field(        __u64,  count                   )

        ),

	TP_fast_assign(
                __entry->dev    = sb->s_dev;
                __entry->blk    = blk;
                __entry->count  = count;
        ),

	TP_printk("dev %d,%d blk %llu count %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->blk, __entry->count)
);

DECLARE_EVENT_CLASS(ext4__mb_new_pa,
	TP_PROTO(struct ext4_allocation_context *ac,
                 struct ext4_prealloc_space *pa),

	TP_ARGS(ac, pa),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  pa_pstart               )
                __field(        __u64,  pa_lstart               )
                __field(        __u32,  pa_len                  )

        ),

	TP_fast_assign(
                __entry->dev            = ac->ac_sb->s_dev;
                __entry->ino            = ac->ac_inode->i_ino;
                __entry->pa_pstart      = pa->pa_pstart;
                __entry->pa_lstart      = pa->pa_lstart;
                __entry->pa_len         = pa->pa_len;
        ),

	TP_printk("dev %d,%d ino %lu pstart %llu len %u lstart %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
);

DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_inode_pa,

	TP_PROTO(struct ext4_allocation_context *ac,
		 struct ext4_prealloc_space *pa),

	TP_ARGS(ac, pa)
);

DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,

	TP_PROTO(struct ext4_allocation_context *ac,
		 struct ext4_prealloc_space *pa),

	TP_ARGS(ac, pa)
);

TRACE_EVENT(ext4_mb_release_inode_pa,
	TP_PROTO(struct ext4_prealloc_space *pa,
                 unsigned long long block, unsigned int count),

	TP_ARGS(pa, block, count),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  block                   )
                __field(        __u32,  count                   )

        ),

	TP_fast_assign(
                __entry->dev            = pa->pa_inode->i_sb->s_dev;
                __entry->ino            = pa->pa_inode->i_ino;
                __entry->block          = block;
                __entry->count          = count;
        ),

	TP_printk("dev %d,%d ino %lu block %llu count %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->block, __entry->count)
);

TRACE_EVENT(ext4_mb_release_group_pa,
	TP_PROTO(struct super_block *sb, struct ext4_prealloc_space *pa),

	TP_ARGS(sb, pa),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        __u64,  pa_pstart               )
                __field(        __u32,  pa_len                  )

        ),

	TP_fast_assign(
                __entry->dev            = sb->s_dev;
                __entry->pa_pstart      = pa->pa_pstart;
                __entry->pa_len         = pa->pa_len;
        ),

	TP_printk("dev %d,%d pstart %llu len %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->pa_pstart, __entry->pa_len)
);

TRACE_EVENT(ext4_discard_preallocations,
	TP_PROTO(struct inode *inode),

	TP_ARGS(inode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )

        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
        ),

	TP_printk("dev %d,%d ino %lu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino)
);

TRACE_EVENT(ext4_mb_discard_preallocations,
	TP_PROTO(struct super_block *sb, int needed),

	TP_ARGS(sb, needed),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        int,    needed                  )

        ),

	TP_fast_assign(
                __entry->dev    = sb->s_dev;
                __entry->needed = needed;
        ),

	TP_printk("dev %d,%d needed %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->needed)
);

TRACE_EVENT(ext4_request_blocks,
	TP_PROTO(struct ext4_allocation_request *ar),

	TP_ARGS(ar),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        unsigned int, len               )
                __field(        __u32,  logical                 )
                __field(        __u32,  lleft                   )
                __field(        __u32,  lright                  )
                __field(        __u64,  goal                    )
                __field(        __u64,  pleft                   )
                __field(        __u64,  pright                  )
                __field(        unsigned int, flags             )
        ),

	TP_fast_assign(
                __entry->dev    = ar->inode->i_sb->s_dev;
                __entry->ino    = ar->inode->i_ino;
                __entry->len    = ar->len;
                __entry->logical = ar->logical;
                __entry->goal   = ar->goal;
                __entry->lleft  = ar->lleft;
                __entry->lright = ar->lright;
                __entry->pleft  = ar->pleft;
                __entry->pright = ar->pright;
                __entry->flags  = ar->flags;
        ),

	TP_printk("dev %d,%d ino %lu flags %s len %u lblk %u goal %llu "
		  "lleft %u lright %u pleft %llu pright %llu ",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, show_mballoc_flags(__entry->flags),
                  __entry->len, __entry->logical, __entry->goal,
                  __entry->lleft, __entry->lright, __entry->pleft,
                  __entry->pright)
);

TRACE_EVENT(ext4_allocate_blocks,
	TP_PROTO(struct ext4_allocation_request *ar, unsigned long long block),

	TP_ARGS(ar, block),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  block                   )
                __field(        unsigned int, len               )
                __field(        __u32,  logical                 )
                __field(        __u32,  lleft                   )
                __field(        __u32,  lright                  )
                __field(        __u64,  goal                    )
                __field(        __u64,  pleft                   )
                __field(        __u64,  pright                  )
                __field(        unsigned int, flags             )
        ),

	TP_fast_assign(
                __entry->dev    = ar->inode->i_sb->s_dev;
                __entry->ino    = ar->inode->i_ino;
                __entry->block  = block;
                __entry->len    = ar->len;
                __entry->logical = ar->logical;
                __entry->goal   = ar->goal;
                __entry->lleft  = ar->lleft;
                __entry->lright = ar->lright;
                __entry->pleft  = ar->pleft;
                __entry->pright = ar->pright;
                __entry->flags  = ar->flags;
        ),

	TP_printk("dev %d,%d ino %lu flags %s len %u block %llu lblk %u "
		  "goal %llu lleft %u lright %u pleft %llu pright %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, show_mballoc_flags(__entry->flags),
                  __entry->len, __entry->block, __entry->logical,
                  __entry->goal,  __entry->lleft, __entry->lright,
                  __entry->pleft, __entry->pright)
);

TRACE_EVENT(ext4_free_blocks,
	TP_PROTO(struct inode *inode, __u64 block, unsigned long count,
                 int flags),

	TP_ARGS(inode, block, count, flags),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  block                   )
                __field(        unsigned long,  count           )
                __field(        int,    flags                   )
                __field(        __u16,  mode                    )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->block          = block;
                __entry->count          = count;
                __entry->flags          = flags;
                __entry->mode           = inode->i_mode;
        ),

	TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %s",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->mode, __entry->block, __entry->count,
                  show_free_flags(__entry->flags))
);

TRACE_EVENT(ext4_sync_file_enter,
	TP_PROTO(struct file *file, int datasync),

	TP_ARGS(file, datasync),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        ino_t,  parent                  )
                __field(        int,    datasync                )
        ),

	TP_fast_assign(
                struct dentry *dentry = file->f_path.dentry;

                __entry->dev            = dentry->d_sb->s_dev;
                __entry->ino            = d_inode(dentry)->i_ino;
                __entry->datasync       = datasync;
                __entry->parent         = d_inode(dentry->d_parent)->i_ino;
        ),

	TP_printk("dev %d,%d ino %lu parent %lu datasync %d ",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned long) __entry->parent, __entry->datasync)
);

TRACE_EVENT(ext4_sync_file_exit,
	TP_PROTO(struct inode *inode, int ret),

	TP_ARGS(inode, ret),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        int,    ret                     )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->ret            = ret;
        ),

	TP_printk("dev %d,%d ino %lu ret %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->ret)
);

TRACE_EVENT(ext4_sync_fs,
	TP_PROTO(struct super_block *sb, int wait),

	TP_ARGS(sb, wait),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        int,    wait                    )

        ),

	TP_fast_assign(
                __entry->dev    = sb->s_dev;
                __entry->wait   = wait;
        ),

	TP_printk("dev %d,%d wait %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->wait)
);

TRACE_EVENT(ext4_alloc_da_blocks,
	TP_PROTO(struct inode *inode),

	TP_ARGS(inode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field( unsigned int,  data_blocks     )
                __field( unsigned int,  meta_blocks     )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
                __entry->meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
        ),

	TP_printk("dev %d,%d ino %lu data_blocks %u meta_blocks %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->data_blocks, __entry->meta_blocks)
);

TRACE_EVENT(ext4_mballoc_alloc,
	TP_PROTO(struct ext4_allocation_context *ac),

	TP_ARGS(ac),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u32,  orig_logical            )
                __field(          int,  orig_start              )
                __field(        __u32,  orig_group              )
                __field(          int,  orig_len                )
                __field(        __u32,  goal_logical            )
                __field(          int,  goal_start              )
                __field(        __u32,  goal_group              )
                __field(          int,  goal_len                )
                __field(        __u32,  result_logical          )
                __field(          int,  result_start            )
                __field(        __u32,  result_group            )
                __field(          int,  result_len              )
                __field(        __u16,  found                   )
                __field(        __u16,  groups                  )
                __field(        __u16,  buddy                   )
                __field(        __u16,  flags                   )
                __field(        __u16,  tail                    )
                __field(        __u8,   cr                      )
        ),

	TP_fast_assign(
                __entry->dev            = ac->ac_inode->i_sb->s_dev;
                __entry->ino            = ac->ac_inode->i_ino;
                __entry->orig_logical   = ac->ac_o_ex.fe_logical;
                __entry->orig_start     = ac->ac_o_ex.fe_start;
                __entry->orig_group     = ac->ac_o_ex.fe_group;
                __entry->orig_len       = ac->ac_o_ex.fe_len;
                __entry->goal_logical   = ac->ac_g_ex.fe_logical;
                __entry->goal_start     = ac->ac_g_ex.fe_start;
                __entry->goal_group     = ac->ac_g_ex.fe_group;
                __entry->goal_len       = ac->ac_g_ex.fe_len;
                __entry->result_logical = ac->ac_f_ex.fe_logical;
                __entry->result_start   = ac->ac_f_ex.fe_start;
                __entry->result_group   = ac->ac_f_ex.fe_group;
                __entry->result_len     = ac->ac_f_ex.fe_len;
                __entry->found          = ac->ac_found;
                __entry->flags          = ac->ac_flags;
                __entry->groups         = ac->ac_groups_scanned;
                __entry->buddy          = ac->ac_buddy;
                __entry->tail           = ac->ac_tail;
                __entry->cr             = ac->ac_criteria;
        ),

	TP_printk("dev %d,%d inode %lu orig %u/%d/%u@%u goal %u/%d/%u@%u "
		  "result %u/%d/%u@%u blks %u grps %u cr %u flags %s "
		  "tail %u broken %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->orig_group, __entry->orig_start,
                  __entry->orig_len, __entry->orig_logical,
                  __entry->goal_group, __entry->goal_start,
                  __entry->goal_len, __entry->goal_logical,
                  __entry->result_group, __entry->result_start,
                  __entry->result_len, __entry->result_logical,
                  __entry->found, __entry->groups, __entry->cr,
                  show_mballoc_flags(__entry->flags), __entry->tail,
                  __entry->buddy ? 1 << __entry->buddy : 0)
);

TRACE_EVENT(ext4_mballoc_prealloc,
	TP_PROTO(struct ext4_allocation_context *ac),

	TP_ARGS(ac),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u32,  orig_logical            )
                __field(          int,  orig_start              )
                __field(        __u32,  orig_group              )
                __field(          int,  orig_len                )
                __field(        __u32,  result_logical          )
                __field(          int,  result_start            )
                __field(        __u32,  result_group            )
                __field(          int,  result_len              )
        ),

	TP_fast_assign(
                __entry->dev            = ac->ac_inode->i_sb->s_dev;
                __entry->ino            = ac->ac_inode->i_ino;
                __entry->orig_logical   = ac->ac_o_ex.fe_logical;
                __entry->orig_start     = ac->ac_o_ex.fe_start;
                __entry->orig_group     = ac->ac_o_ex.fe_group;
                __entry->orig_len       = ac->ac_o_ex.fe_len;
                __entry->result_logical = ac->ac_b_ex.fe_logical;
                __entry->result_start   = ac->ac_b_ex.fe_start;
                __entry->result_group   = ac->ac_b_ex.fe_group;
                __entry->result_len     = ac->ac_b_ex.fe_len;
        ),

	TP_printk("dev %d,%d inode %lu orig %u/%d/%u@%u result %u/%d/%u@%u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->orig_group, __entry->orig_start,
                  __entry->orig_len, __entry->orig_logical,
                  __entry->result_group, __entry->result_start,
                  __entry->result_len, __entry->result_logical)
);

DECLARE_EVENT_CLASS(ext4__mballoc,
	TP_PROTO(struct super_block *sb,
                 struct inode *inode,
                 ext4_group_t group,
                 ext4_grpblk_t start,
                 ext4_grpblk_t len),

	TP_ARGS(sb, inode, group, start, len),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(          int,  result_start            )
                __field(        __u32,  result_group            )
                __field(          int,  result_len              )
        ),

	TP_fast_assign(
                __entry->dev            = sb->s_dev;
                __entry->ino            = inode ? inode->i_ino : 0;
                __entry->result_start   = start;
                __entry->result_group   = group;
                __entry->result_len     = len;
        ),

	TP_printk("dev %d,%d inode %lu extent %u/%d/%d ",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->result_group, __entry->result_start,
                  __entry->result_len)
);

DEFINE_EVENT(ext4__mballoc, ext4_mballoc_discard,

	TP_PROTO(struct super_block *sb,
		 struct inode *inode,
		 ext4_group_t group,
		 ext4_grpblk_t start,
		 ext4_grpblk_t len),

	TP_ARGS(sb, inode, group, start, len)
);

DEFINE_EVENT(ext4__mballoc, ext4_mballoc_free,

	TP_PROTO(struct super_block *sb,
		 struct inode *inode,
		 ext4_group_t group,
		 ext4_grpblk_t start,
		 ext4_grpblk_t len),

	TP_ARGS(sb, inode, group, start, len)
);

TRACE_EVENT(ext4_forget,
	TP_PROTO(struct inode *inode, int is_metadata, __u64 block),

	TP_ARGS(inode, is_metadata, block),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  block                   )
                __field(        int,    is_metadata             )
                __field(        __u16,  mode                    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->block  = block;
                __entry->is_metadata = is_metadata;
                __entry->mode   = inode->i_mode;
        ),

	TP_printk("dev %d,%d ino %lu mode 0%o is_metadata %d block %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->mode, __entry->is_metadata, __entry->block)
);

TRACE_EVENT(ext4_da_update_reserve_space,
	TP_PROTO(struct inode *inode, int used_blocks, int quota_claim),

	TP_ARGS(inode, used_blocks, quota_claim),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  i_blocks                )
                __field(        int,    used_blocks             )
                __field(        int,    reserved_data_blocks    )
                __field(        int,    reserved_meta_blocks    )
                __field(        int,    allocated_meta_blocks   )
                __field(        int,    quota_claim             )
                __field(        __u16,  mode                    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->i_blocks = inode->i_blocks;
                __entry->used_blocks = used_blocks;
                __entry->reserved_data_blocks =
                                EXT4_I(inode)->i_reserved_data_blocks;
                __entry->reserved_meta_blocks =
                                EXT4_I(inode)->i_reserved_meta_blocks;
                __entry->allocated_meta_blocks =
                                EXT4_I(inode)->i_allocated_meta_blocks;
                __entry->quota_claim = quota_claim;
                __entry->mode   = inode->i_mode;
        ),

	TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu used_blocks %d "
		  "reserved_data_blocks %d reserved_meta_blocks %d "
		  "allocated_meta_blocks %d quota_claim %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->mode, __entry->i_blocks,
                  __entry->used_blocks, __entry->reserved_data_blocks,
                  __entry->reserved_meta_blocks, __entry->allocated_meta_blocks,
                  __entry->quota_claim)
);

TRACE_EVENT(ext4_da_reserve_space,
	TP_PROTO(struct inode *inode),

	TP_ARGS(inode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  i_blocks                )
                __field(        int,    reserved_data_blocks    )
                __field(        int,    reserved_meta_blocks    )
                __field(        __u16,  mode                    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->i_blocks = inode->i_blocks;
                __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
                __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
                __entry->mode   = inode->i_mode;
        ),

	TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu "
		  "reserved_data_blocks %d reserved_meta_blocks %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->mode, __entry->i_blocks,
                  __entry->reserved_data_blocks,
                  __entry->reserved_meta_blocks)
);

TRACE_EVENT(ext4_da_release_space,
	TP_PROTO(struct inode *inode, int freed_blocks),

	TP_ARGS(inode, freed_blocks),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        __u64,  i_blocks                )
                __field(        int,    freed_blocks            )
                __field(        int,    reserved_data_blocks    )
                __field(        int,    reserved_meta_blocks    )
                __field(        int,    allocated_meta_blocks   )
                __field(        __u16,  mode                    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->i_blocks = inode->i_blocks;
                __entry->freed_blocks = freed_blocks;
                __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
                __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
                __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks;
                __entry->mode   = inode->i_mode;
        ),

	TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu freed_blocks %d "
		  "reserved_data_blocks %d reserved_meta_blocks %d "
		  "allocated_meta_blocks %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->mode, __entry->i_blocks,
                  __entry->freed_blocks, __entry->reserved_data_blocks,
                  __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
);

DECLARE_EVENT_CLASS(ext4__bitmap_load,
	TP_PROTO(struct super_block *sb, unsigned long group),

	TP_ARGS(sb, group),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        __u32,  group                   )

        ),

	TP_fast_assign(
                __entry->dev    = sb->s_dev;
                __entry->group  = group;
        ),

	TP_printk("dev %d,%d group %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->group)
);

DEFINE_EVENT(ext4__bitmap_load, ext4_mb_bitmap_load,

	TP_PROTO(struct super_block *sb, unsigned long group),

	TP_ARGS(sb, group)
);

DEFINE_EVENT(ext4__bitmap_load, ext4_mb_buddy_bitmap_load,

	TP_PROTO(struct super_block *sb, unsigned long group),

	TP_ARGS(sb, group)
);

DEFINE_EVENT(ext4__bitmap_load, ext4_read_block_bitmap_load,

	TP_PROTO(struct super_block *sb, unsigned long group),

	TP_ARGS(sb, group)
);

DEFINE_EVENT(ext4__bitmap_load, ext4_load_inode_bitmap,

	TP_PROTO(struct super_block *sb, unsigned long group),

	TP_ARGS(sb, group)
);

TRACE_EVENT(ext4_direct_IO_enter,
	TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw),

	TP_ARGS(inode, offset, len, rw),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        loff_t, pos                     )
                __field(        unsigned long,  len             )
                __field(        int,    rw                      )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->pos    = offset;
                __entry->len    = len;
                __entry->rw     = rw;
        ),

	TP_printk("dev %d,%d ino %lu pos %lld len %lu rw %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->pos, __entry->len, __entry->rw)
);

TRACE_EVENT(ext4_direct_IO_exit,
	TP_PROTO(struct inode *inode, loff_t offset, unsigned long len,
                 int rw, int ret),

	TP_ARGS(inode, offset, len, rw, ret),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        loff_t, pos                     )
                __field(        unsigned long,  len             )
                __field(        int,    rw                      )
                __field(        int,    ret                     )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->pos    = offset;
                __entry->len    = len;
                __entry->rw     = rw;
                __entry->ret    = ret;
        ),

	TP_printk("dev %d,%d ino %lu pos %lld len %lu rw %d ret %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->pos, __entry->len,
                  __entry->rw, __entry->ret)
);

DECLARE_EVENT_CLASS(ext4__fallocate_mode,
	TP_PROTO(struct inode *inode, loff_t offset, loff_t len, int mode),

	TP_ARGS(inode, offset, len, mode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        loff_t, offset                  )
                __field(        loff_t, len                     )
                __field(        int,    mode                    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->offset = offset;
                __entry->len    = len;
                __entry->mode   = mode;
        ),

	TP_printk("dev %d,%d ino %lu offset %lld len %lld mode %s",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->offset, __entry->len,
                  show_falloc_mode(__entry->mode))
);

DEFINE_EVENT(ext4__fallocate_mode, ext4_fallocate_enter,

	TP_PROTO(struct inode *inode, loff_t offset, loff_t len, int mode),

	TP_ARGS(inode, offset, len, mode)
);

DEFINE_EVENT(ext4__fallocate_mode, ext4_punch_hole,

	TP_PROTO(struct inode *inode, loff_t offset, loff_t len, int mode),

	TP_ARGS(inode, offset, len, mode)
);

DEFINE_EVENT(ext4__fallocate_mode, ext4_zero_range,

	TP_PROTO(struct inode *inode, loff_t offset, loff_t len, int mode),

	TP_ARGS(inode, offset, len, mode)
);

TRACE_EVENT(ext4_fallocate_exit,
	TP_PROTO(struct inode *inode, loff_t offset,
                 unsigned int max_blocks, int ret),

	TP_ARGS(inode, offset, max_blocks, ret),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        loff_t, pos                     )
                __field(        unsigned int,   blocks          )
                __field(        int,    ret                     )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->pos    = offset;
                __entry->blocks = max_blocks;
                __entry->ret    = ret;
        ),

	TP_printk("dev %d,%d ino %lu pos %lld blocks %u ret %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->pos, __entry->blocks,
                  __entry->ret)
);

TRACE_EVENT(ext4_unlink_enter,
	TP_PROTO(struct inode *parent, struct dentry *dentry),

	TP_ARGS(parent, dentry),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        ino_t,  parent                  )
                __field(        loff_t, size                    )
        ),

	TP_fast_assign(
                __entry->dev            = dentry->d_sb->s_dev;
                __entry->ino            = d_inode(dentry)->i_ino;
                __entry->parent         = parent->i_ino;
                __entry->size           = d_inode(dentry)->i_size;
        ),

	TP_printk("dev %d,%d ino %lu size %lld parent %lu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->size,
                  (unsigned long) __entry->parent)
);

TRACE_EVENT(ext4_unlink_exit,
	TP_PROTO(struct dentry *dentry, int ret),

	TP_ARGS(dentry, ret),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        int,    ret                     )
        ),

	TP_fast_assign(
                __entry->dev            = dentry->d_sb->s_dev;
                __entry->ino            = d_inode(dentry)->i_ino;
                __entry->ret            = ret;
        ),

	TP_printk("dev %d,%d ino %lu ret %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->ret)
);

DECLARE_EVENT_CLASS(ext4__truncate,
	TP_PROTO(struct inode *inode),

	TP_ARGS(inode),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        __u64,          blocks          )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->blocks = inode->i_blocks;
        ),

	TP_printk("dev %d,%d ino %lu blocks %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->blocks)
);

DEFINE_EVENT(ext4__truncate, ext4_truncate_enter,

	TP_PROTO(struct inode *inode),

	TP_ARGS(inode)
);

DEFINE_EVENT(ext4__truncate, ext4_truncate_exit,

	TP_PROTO(struct inode *inode),

	TP_ARGS(inode)
);

/* 'ux' is the unwritten extent. */
TRACE_EVENT(ext4_ext_convert_to_initialized_enter,
	TP_PROTO(struct inode *inode, struct ext4_map_blocks *map,
                 struct ext4_extent *ux),

	TP_ARGS(inode, map, ux),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_lblk_t,    m_lblk  )
                __field(        unsigned,       m_len   )
                __field(        ext4_lblk_t,    u_lblk  )
                __field(        unsigned,       u_len   )
                __field(        ext4_fsblk_t,   u_pblk  )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->m_lblk         = map->m_lblk;
                __entry->m_len          = map->m_len;
                __entry->u_lblk         = le32_to_cpu(ux->ee_block);
                __entry->u_len          = ext4_ext_get_actual_len(ux);
                __entry->u_pblk         = ext4_ext_pblock(ux);
        ),

	TP_printk("dev %d,%d ino %lu m_lblk %u m_len %u u_lblk %u u_len %u "
		  "u_pblk %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->m_lblk, __entry->m_len,
                  __entry->u_lblk, __entry->u_len, __entry->u_pblk)
);

/*
 * 'ux' is the unwritten extent.
 * 'ix' is the initialized extent to which blocks are transferred.
 */
TRACE_EVENT(ext4_ext_convert_to_initialized_fastpath,
	TP_PROTO(struct inode *inode, struct ext4_map_blocks *map,
                 struct ext4_extent *ux, struct ext4_extent *ix),

	TP_ARGS(inode, map, ux, ix),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_lblk_t,    m_lblk  )
                __field(        unsigned,       m_len   )
                __field(        ext4_lblk_t,    u_lblk  )
                __field(        unsigned,       u_len   )
                __field(        ext4_fsblk_t,   u_pblk  )
                __field(        ext4_lblk_t,    i_lblk  )
                __field(        unsigned,       i_len   )
                __field(        ext4_fsblk_t,   i_pblk  )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->m_lblk         = map->m_lblk;
                __entry->m_len          = map->m_len;
                __entry->u_lblk         = le32_to_cpu(ux->ee_block);
                __entry->u_len          = ext4_ext_get_actual_len(ux);
                __entry->u_pblk         = ext4_ext_pblock(ux);
                __entry->i_lblk         = le32_to_cpu(ix->ee_block);
                __entry->i_len          = ext4_ext_get_actual_len(ix);
                __entry->i_pblk         = ext4_ext_pblock(ix);
        ),

	TP_printk("dev %d,%d ino %lu m_lblk %u m_len %u "
		  "u_lblk %u u_len %u u_pblk %llu "
		  "i_lblk %u i_len %u i_pblk %llu ",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->m_lblk, __entry->m_len,
                  __entry->u_lblk, __entry->u_len, __entry->u_pblk,
                  __entry->i_lblk, __entry->i_len, __entry->i_pblk)
);

DECLARE_EVENT_CLASS(ext4__map_blocks_enter,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
                 unsigned int len, unsigned int flags),

	TP_ARGS(inode, lblk, len, flags),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_lblk_t,    lblk            )
                __field(        unsigned int,   len             )
                __field(        unsigned int,   flags           )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = lblk;
                __entry->len    = len;
                __entry->flags  = flags;
        ),

	TP_printk("dev %d,%d ino %lu lblk %u len %u flags %s",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->lblk, __entry->len, show_map_flags(__entry->flags))
);

DEFINE_EVENT(ext4__map_blocks_enter, ext4_ext_map_blocks_enter,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
		 unsigned len, unsigned flags),

	TP_ARGS(inode, lblk, len, flags)
);

DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
		 unsigned len, unsigned flags),

	TP_ARGS(inode, lblk, len, flags)
);

DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
	TP_PROTO(struct inode *inode, unsigned flags, struct ext4_map_blocks *map,
                 int ret),

	TP_ARGS(inode, flags, map, ret),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        unsigned int,   flags           )
                __field(        ext4_fsblk_t,   pblk            )
                __field(        ext4_lblk_t,    lblk            )
                __field(        unsigned int,   len             )
                __field(        unsigned int,   mflags          )
                __field(        int,            ret             )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->flags  = flags;
                __entry->pblk   = map->m_pblk;
                __entry->lblk   = map->m_lblk;
                __entry->len    = map->m_len;
                __entry->mflags = map->m_flags;
                __entry->ret    = ret;
        ),

	TP_printk("dev %d,%d ino %lu flags %s lblk %u pblk %llu len %u "
		  "mflags %s ret %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  show_map_flags(__entry->flags), __entry->lblk, __entry->pblk,
                  __entry->len, show_mflags(__entry->mflags), __entry->ret)
);

DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit,
	TP_PROTO(struct inode *inode, unsigned flags,
		 struct ext4_map_blocks *map, int ret),

	TP_ARGS(inode, flags, map, ret)
);

DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit,
	TP_PROTO(struct inode *inode, unsigned flags,
		 struct ext4_map_blocks *map, int ret),

	TP_ARGS(inode, flags, map, ret)
);

TRACE_EVENT(ext4_ext_load_extent,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk),

	TP_ARGS(inode, lblk, pblk),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_fsblk_t,   pblk            )
                __field(        ext4_lblk_t,    lblk            )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->pblk   = pblk;
                __entry->lblk   = lblk;
        ),

	TP_printk("dev %d,%d ino %lu lblk %u pblk %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->lblk, __entry->pblk)
);

TRACE_EVENT(ext4_load_inode,
	TP_PROTO(struct inode *inode),

	TP_ARGS(inode),

	TP_STRUCT__entry(
                __field(        dev_t,  dev             )
                __field(        ino_t,  ino             )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
        ),

	TP_printk("dev %d,%d ino %ld",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino)
);

TRACE_EVENT(ext4_journal_start,
	TP_PROTO(struct super_block *sb, int blocks, int rsv_blocks,
                 unsigned long IP),

	TP_ARGS(sb, blocks, rsv_blocks, IP),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(unsigned long,  ip                      )
                __field(          int,  blocks                  )
                __field(          int,  rsv_blocks              )
        ),

	TP_fast_assign(
                __entry->dev             = sb->s_dev;
                __entry->ip              = IP;
                __entry->blocks          = blocks;
                __entry->rsv_blocks      = rsv_blocks;
        ),

	TP_printk("dev %d,%d blocks, %d rsv_blocks, %d caller %pS",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->blocks, __entry->rsv_blocks, (void *)__entry->ip)
);

TRACE_EVENT(ext4_journal_start_reserved,
	TP_PROTO(struct super_block *sb, int blocks, unsigned long IP),

	TP_ARGS(sb, blocks, IP),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(unsigned long,  ip                      )
                __field(          int,  blocks                  )
        ),

	TP_fast_assign(
                __entry->dev             = sb->s_dev;
                __entry->ip              = IP;
                __entry->blocks          = blocks;
        ),

	TP_printk("dev %d,%d blocks, %d caller %pS",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->blocks, (void *)__entry->ip)
);

DECLARE_EVENT_CLASS(ext4__trim,
	TP_PROTO(struct super_block *sb,
                 ext4_group_t group,
                 ext4_grpblk_t start,
                 ext4_grpblk_t len),

	TP_ARGS(sb, group, start, len),

	TP_STRUCT__entry(
                __field(        int,    dev_major               )
                __field(        int,    dev_minor               )
                __field(        __u32,  group                   )
                __field(        int,    start                   )
                __field(        int,    len                     )
        ),

	TP_fast_assign(
                __entry->dev_major      = MAJOR(sb->s_dev);
                __entry->dev_minor      = MINOR(sb->s_dev);
                __entry->group          = group;
                __entry->start          = start;
                __entry->len            = len;
        ),

	TP_printk("dev %d,%d group %u, start %d, len %d",
                  __entry->dev_major, __entry->dev_minor,
                  __entry->group, __entry->start, __entry->len)
);

DEFINE_EVENT(ext4__trim, ext4_trim_extent,

	TP_PROTO(struct super_block *sb,
		 ext4_group_t group,
		 ext4_grpblk_t start,
		 ext4_grpblk_t len),

	TP_ARGS(sb, group, start, len)
);

DEFINE_EVENT(ext4__trim, ext4_trim_all_free,

	TP_PROTO(struct super_block *sb,
		 ext4_group_t group,
		 ext4_grpblk_t start,
		 ext4_grpblk_t len),

	TP_ARGS(sb, group, start, len)
);

TRACE_EVENT(ext4_ext_handle_unwritten_extents,
	TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int flags,
                 unsigned int allocated, ext4_fsblk_t newblock),

	TP_ARGS(inode, map, flags, allocated, newblock),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        int,            flags           )
                __field(        ext4_lblk_t,    lblk            )
                __field(        ext4_fsblk_t,   pblk            )
                __field(        unsigned int,   len             )
                __field(        unsigned int,   allocated       )
                __field(        ext4_fsblk_t,   newblk          )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->flags          = flags;
                __entry->lblk           = map->m_lblk;
                __entry->pblk           = map->m_pblk;
                __entry->len            = map->m_len;
                __entry->allocated      = allocated;
                __entry->newblk         = newblock;
        ),

	TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %s "
		  "allocated %d newblock %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->lblk, (unsigned long long) __entry->pblk,
                  __entry->len, show_map_flags(__entry->flags),
                  (unsigned int) __entry->allocated,
                  (unsigned long long) __entry->newblk)
);

TRACE_EVENT(ext4_get_implied_cluster_alloc_exit,
	TP_PROTO(struct super_block *sb, struct ext4_map_blocks *map, int ret),

	TP_ARGS(sb, map, ret),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        unsigned int,   flags   )
                __field(        ext4_lblk_t,    lblk    )
                __field(        ext4_fsblk_t,   pblk    )
                __field(        unsigned int,   len     )
                __field(        int,            ret     )
        ),

	TP_fast_assign(
                __entry->dev    = sb->s_dev;
                __entry->flags  = map->m_flags;
                __entry->lblk   = map->m_lblk;
                __entry->pblk   = map->m_pblk;
                __entry->len    = map->m_len;
                __entry->ret    = ret;
        ),

	TP_printk("dev %d,%d m_lblk %u m_pblk %llu m_len %u m_flags %s ret %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->lblk, (unsigned long long) __entry->pblk,
                  __entry->len, show_mflags(__entry->flags), __entry->ret)
);

TRACE_EVENT(ext4_ext_put_in_cache,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk, unsigned int len,
                 ext4_fsblk_t start),

	TP_ARGS(inode, lblk, len, start),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_lblk_t,    lblk    )
                __field(        unsigned int,   len     )
                __field(        ext4_fsblk_t,   start   )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = lblk;
                __entry->len    = len;
                __entry->start  = start;
        ),

	TP_printk("dev %d,%d ino %lu lblk %u len %u start %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->lblk,
                  __entry->len,
                  (unsigned long long) __entry->start)
);

TRACE_EVENT(ext4_ext_in_cache,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk, int ret),

	TP_ARGS(inode, lblk, ret),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_lblk_t,    lblk    )
                __field(        int,            ret     )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = lblk;
                __entry->ret    = ret;
        ),

	TP_printk("dev %d,%d ino %lu lblk %u ret %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->lblk,
                  __entry->ret)

);

TRACE_EVENT(ext4_find_delalloc_range,
	TP_PROTO(struct inode *inode, ext4_lblk_t from, ext4_lblk_t to,
                int reverse, int found, ext4_lblk_t found_blk),

	TP_ARGS(inode, from, to, reverse, found, found_blk),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_lblk_t,    from            )
                __field(        ext4_lblk_t,    to              )
                __field(        int,            reverse         )
                __field(        int,            found           )
                __field(        ext4_lblk_t,    found_blk       )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->from           = from;
                __entry->to             = to;
                __entry->reverse        = reverse;
                __entry->found          = found;
                __entry->found_blk      = found_blk;
        ),

	TP_printk("dev %d,%d ino %lu from %u to %u reverse %d found %d "
		  "(blk = %u)",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->from, (unsigned) __entry->to,
                  __entry->reverse, __entry->found,
                  (unsigned) __entry->found_blk)
);

TRACE_EVENT(ext4_get_reserved_cluster_alloc,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk, unsigned int len),

	TP_ARGS(inode, lblk, len),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_lblk_t,    lblk    )
                __field(        unsigned int,   len     )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = lblk;
                __entry->len    = len;
        ),

	TP_printk("dev %d,%d ino %lu lblk %u len %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->lblk,
                  __entry->len)
);

TRACE_EVENT(ext4_ext_show_extent,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk,
                 unsigned short len),

	TP_ARGS(inode, lblk, pblk, len),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_fsblk_t,   pblk    )
                __field(        ext4_lblk_t,    lblk    )
                __field(        unsigned short, len     )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->pblk   = pblk;
                __entry->lblk   = lblk;
                __entry->len    = len;
        ),

	TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->lblk,
                  (unsigned long long) __entry->pblk,
                  (unsigned short) __entry->len)
);

TRACE_EVENT(ext4_remove_blocks,
	    TP_PROTO(struct inode *inode, struct ext4_extent *ex,
                ext4_lblk_t from, ext4_fsblk_t to,
                long long partial_cluster),

	TP_ARGS(inode, ex, from, to, partial_cluster),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_lblk_t,    from    )
                __field(        ext4_lblk_t,    to      )
                __field(        long long,      partial )
                __field(        ext4_fsblk_t,   ee_pblk )
                __field(        ext4_lblk_t,    ee_lblk )
                __field(        unsigned short, ee_len  )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->from           = from;
                __entry->to             = to;
                __entry->partial        = partial_cluster;
                __entry->ee_pblk        = ext4_ext_pblock(ex);
                __entry->ee_lblk        = le32_to_cpu(ex->ee_block);
                __entry->ee_len         = ext4_ext_get_actual_len(ex);
        ),

	TP_printk("dev %d,%d ino %lu extent [%u(%llu), %u]"
		  "from %u to %u partial_cluster %lld",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->ee_lblk,
                  (unsigned long long) __entry->ee_pblk,
                  (unsigned short) __entry->ee_len,
                  (unsigned) __entry->from,
                  (unsigned) __entry->to,
                  (long long) __entry->partial)
);

TRACE_EVENT(ext4_ext_rm_leaf,
	TP_PROTO(struct inode *inode, ext4_lblk_t start,
                 struct ext4_extent *ex,
                 long long partial_cluster),

	TP_ARGS(inode, start, ex, partial_cluster),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        long long,      partial )
                __field(        ext4_lblk_t,    start   )
                __field(        ext4_lblk_t,    ee_lblk )
                __field(        ext4_fsblk_t,   ee_pblk )
                __field(        short,          ee_len  )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->partial        = partial_cluster;
                __entry->start          = start;
                __entry->ee_lblk        = le32_to_cpu(ex->ee_block);
                __entry->ee_pblk        = ext4_ext_pblock(ex);
                __entry->ee_len         = ext4_ext_get_actual_len(ex);
        ),

	TP_printk("dev %d,%d ino %lu start_lblk %u last_extent [%u(%llu), %u]"
		  "partial_cluster %lld",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->start,
                  (unsigned) __entry->ee_lblk,
                  (unsigned long long) __entry->ee_pblk,
                  (unsigned short) __entry->ee_len,
                  (long long) __entry->partial)
);

TRACE_EVENT(ext4_ext_rm_idx,
	TP_PROTO(struct inode *inode, ext4_fsblk_t pblk),

	TP_ARGS(inode, pblk),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_fsblk_t,   pblk    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->pblk   = pblk;
        ),

	TP_printk("dev %d,%d ino %lu index_pblk %llu",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned long long) __entry->pblk)
);

TRACE_EVENT(ext4_ext_remove_space,
	TP_PROTO(struct inode *inode, ext4_lblk_t start,
                 ext4_lblk_t end, int depth),

	TP_ARGS(inode, start, end, depth),

	TP_STRUCT__entry(
                __field(        dev_t,          dev     )
                __field(        ino_t,          ino     )
                __field(        ext4_lblk_t,    start   )
                __field(        ext4_lblk_t,    end     )
                __field(        int,            depth   )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->start  = start;
                __entry->end    = end;
                __entry->depth  = depth;
        ),

	TP_printk("dev %d,%d ino %lu since %u end %u depth %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->start,
                  (unsigned) __entry->end,
                  __entry->depth)
);

TRACE_EVENT(ext4_ext_remove_space_done,
	TP_PROTO(struct inode *inode, ext4_lblk_t start, ext4_lblk_t end,
                 int depth, long long partial, __le16 eh_entries),

	TP_ARGS(inode, start, end, depth, partial, eh_entries),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_lblk_t,    start           )
                __field(        ext4_lblk_t,    end             )
                __field(        int,            depth           )
                __field(        long long,      partial         )
                __field(        unsigned short, eh_entries      )
        ),

	TP_fast_assign(
                __entry->dev            = inode->i_sb->s_dev;
                __entry->ino            = inode->i_ino;
                __entry->start          = start;
                __entry->end            = end;
                __entry->depth          = depth;
                __entry->partial        = partial;
                __entry->eh_entries     = le16_to_cpu(eh_entries);
        ),

	TP_printk("dev %d,%d ino %lu since %u end %u depth %d partial %lld "
		  "remaining_entries %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  (unsigned) __entry->start,
                  (unsigned) __entry->end,
                  __entry->depth,
                  (long long) __entry->partial,
                  (unsigned short) __entry->eh_entries)
);

DECLARE_EVENT_CLASS(ext4__es_extent,
	TP_PROTO(struct inode *inode, struct extent_status *es),

	TP_ARGS(inode, es),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_lblk_t,    lblk            )
                __field(        ext4_lblk_t,    len             )
                __field(        ext4_fsblk_t,   pblk            )
                __field(        char, status    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = es->es_lblk;
                __entry->len    = es->es_len;
                __entry->pblk   = ext4_es_pblock(es);
                __entry->status = ext4_es_status(es);
        ),

	TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %s",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->lblk, __entry->len,
                  __entry->pblk, show_extent_status(__entry->status))
);

DEFINE_EVENT(ext4__es_extent, ext4_es_insert_extent,
	TP_PROTO(struct inode *inode, struct extent_status *es),

	TP_ARGS(inode, es)
);

DEFINE_EVENT(ext4__es_extent, ext4_es_cache_extent,
	TP_PROTO(struct inode *inode, struct extent_status *es),

	TP_ARGS(inode, es)
);

TRACE_EVENT(ext4_es_remove_extent,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk, ext4_lblk_t len),

	TP_ARGS(inode, lblk, len),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        ino_t,  ino                     )
                __field(        loff_t, lblk                    )
                __field(        loff_t, len                     )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = lblk;
                __entry->len    = len;
        ),

	TP_printk("dev %d,%d ino %lu es [%lld/%lld)",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->lblk, __entry->len)
);

TRACE_EVENT(ext4_es_find_delayed_extent_range_enter,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk),

	TP_ARGS(inode, lblk),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_lblk_t,    lblk            )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = lblk;
        ),

	TP_printk("dev %d,%d ino %lu lblk %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->lblk)
);

TRACE_EVENT(ext4_es_find_delayed_extent_range_exit,
	TP_PROTO(struct inode *inode, struct extent_status *es),

	TP_ARGS(inode, es),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_lblk_t,    lblk            )
                __field(        ext4_lblk_t,    len             )
                __field(        ext4_fsblk_t,   pblk            )
                __field(        char, status    )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = es->es_lblk;
                __entry->len    = es->es_len;
                __entry->pblk   = ext4_es_pblock(es);
                __entry->status = ext4_es_status(es);
        ),

	TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %s",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->lblk, __entry->len,
                  __entry->pblk, show_extent_status(__entry->status))
);

TRACE_EVENT(ext4_es_lookup_extent_enter,
	TP_PROTO(struct inode *inode, ext4_lblk_t lblk),

	TP_ARGS(inode, lblk),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_lblk_t,    lblk            )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = lblk;
        ),

	TP_printk("dev %d,%d ino %lu lblk %u",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->lblk)
);

TRACE_EVENT(ext4_es_lookup_extent_exit,
	TP_PROTO(struct inode *inode, struct extent_status *es,
                 int found),

	TP_ARGS(inode, es, found),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        ino_t,          ino             )
                __field(        ext4_lblk_t,    lblk            )
                __field(        ext4_lblk_t,    len             )
                __field(        ext4_fsblk_t,   pblk            )
                __field(        char,           status          )
                __field(        int,            found           )
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->lblk   = es->es_lblk;
                __entry->len    = es->es_len;
                __entry->pblk   = ext4_es_pblock(es);
                __entry->status = ext4_es_status(es);
                __entry->found  = found;
        ),

	TP_printk("dev %d,%d ino %lu found %d [%u/%u) %llu %s",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino, __entry->found,
                  __entry->lblk, __entry->len,
                  __entry->found ? __entry->pblk : 0,
                  show_extent_status(__entry->found ? __entry->status : 0))
);

DECLARE_EVENT_CLASS(ext4__es_shrink_enter,
	TP_PROTO(struct super_block *sb, int nr_to_scan, int cache_cnt),

	TP_ARGS(sb, nr_to_scan, cache_cnt),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        int,    nr_to_scan              )
                __field(        int,    cache_cnt               )
        ),

	TP_fast_assign(
                __entry->dev            = sb->s_dev;
                __entry->nr_to_scan     = nr_to_scan;
                __entry->cache_cnt      = cache_cnt;
        ),

	TP_printk("dev %d,%d nr_to_scan %d cache_cnt %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->nr_to_scan, __entry->cache_cnt)
);

DEFINE_EVENT(ext4__es_shrink_enter, ext4_es_shrink_count,
	TP_PROTO(struct super_block *sb, int nr_to_scan, int cache_cnt),

	TP_ARGS(sb, nr_to_scan, cache_cnt)
);

DEFINE_EVENT(ext4__es_shrink_enter, ext4_es_shrink_scan_enter,
	TP_PROTO(struct super_block *sb, int nr_to_scan, int cache_cnt),

	TP_ARGS(sb, nr_to_scan, cache_cnt)
);

TRACE_EVENT(ext4_es_shrink_scan_exit,
	TP_PROTO(struct super_block *sb, int nr_shrunk, int cache_cnt),

	TP_ARGS(sb, nr_shrunk, cache_cnt),

	TP_STRUCT__entry(
                __field(        dev_t,  dev                     )
                __field(        int,    nr_shrunk               )
                __field(        int,    cache_cnt               )
        ),

	TP_fast_assign(
                __entry->dev            = sb->s_dev;
                __entry->nr_shrunk      = nr_shrunk;
                __entry->cache_cnt      = cache_cnt;
        ),

	TP_printk("dev %d,%d nr_shrunk %d cache_cnt %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->nr_shrunk, __entry->cache_cnt)
);

TRACE_EVENT(ext4_collapse_range,
	TP_PROTO(struct inode *inode, loff_t offset, loff_t len),

	TP_ARGS(inode, offset, len),

	TP_STRUCT__entry(
                __field(dev_t,  dev)
                __field(ino_t,  ino)
                __field(loff_t, offset)
                __field(loff_t, len)
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->offset = offset;
                __entry->len    = len;
        ),

	TP_printk("dev %d,%d ino %lu offset %lld len %lld",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->offset, __entry->len)
);

TRACE_EVENT(ext4_insert_range,
	TP_PROTO(struct inode *inode, loff_t offset, loff_t len),

	TP_ARGS(inode, offset, len),

	TP_STRUCT__entry(
                __field(dev_t,  dev)
                __field(ino_t,  ino)
                __field(loff_t, offset)
                __field(loff_t, len)
        ),

	TP_fast_assign(
                __entry->dev    = inode->i_sb->s_dev;
                __entry->ino    = inode->i_ino;
                __entry->offset = offset;
                __entry->len    = len;
        ),

	TP_printk("dev %d,%d ino %lu offset %lld len %lld",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  (unsigned long) __entry->ino,
                  __entry->offset, __entry->len)
);

TRACE_EVENT(ext4_es_shrink,
	TP_PROTO(struct super_block *sb, int nr_shrunk, u64 scan_time,
                 int nr_skipped, int retried),

	TP_ARGS(sb, nr_shrunk, scan_time, nr_skipped, retried),

	TP_STRUCT__entry(
                __field(        dev_t,          dev             )
                __field(        int,            nr_shrunk       )
                __field(        unsigned long long, scan_time   )
                __field(        int,            nr_skipped      )
                __field(        int,            retried         )
        ),

	TP_fast_assign(
                __entry->dev            = sb->s_dev;
                __entry->nr_shrunk      = nr_shrunk;
                __entry->scan_time      = div_u64(scan_time, 1000);
                __entry->nr_skipped     = nr_skipped;
                __entry->retried        = retried;
        ),

	TP_printk("dev %d,%d nr_shrunk %d, scan_time %llu "
		  "nr_skipped %d retried %d",
                  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->nr_shrunk,
                  __entry->scan_time, __entry->nr_skipped, __entry->retried)
);

/* fsmap traces */
DECLARE_EVENT_CLASS(ext4_fsmap_class,
	TP_PROTO(struct super_block *sb, u32 keydev, u32 agno, u64 bno, u64 len,
                 u64 owner),
	TP_ARGS(sb, keydev, agno, bno, len, owner),
	TP_STRUCT__entry(
                __field(dev_t, dev)
                __field(dev_t, keydev)
                __field(u32, agno)
                __field(u64, bno)
                __field(u64, len)
                __field(u64, owner)
        ),
	TP_fast_assign(
                __entry->dev = sb->s_bdev->bd_dev;
                __entry->keydev = new_decode_dev(keydev);
                __entry->agno = agno;
                __entry->bno = bno;
                __entry->len = len;
                __entry->owner = owner;
        ),
	TP_printk("dev %d:%d keydev %d:%d agno %u bno %llu len %llu owner %lld\n",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  MAJOR(__entry->keydev), MINOR(__entry->keydev),
                  __entry->agno,
                  __entry->bno,
                  __entry->len,
                  __entry->owner)
)

#define DEFINE_FSMAP_EVENT(name) \
DEFINE_EVENT(ext4_fsmap_class, name, \
        TP_PROTO(struct super_block *sb, u32 keydev, u32 agno, u64 bno, u64 len, \
                 u64 owner), \
        TP_ARGS(sb, keydev, agno, bno, len, owner))

DEFINE_FSMAP_EVENT(ext4_fsmap_low_key);

DEFINE_FSMAP_EVENT(ext4_fsmap_high_key);

DEFINE_FSMAP_EVENT(ext4_fsmap_mapping);

DECLARE_EVENT_CLASS(ext4_getfsmap_class,
	TP_PROTO(struct super_block *sb, struct ext4_fsmap *fsmap),
	TP_ARGS(sb, fsmap),
	TP_STRUCT__entry(
                __field(dev_t, dev)
                __field(dev_t, keydev)
                __field(u64, block)
                __field(u64, len)
                __field(u64, owner)
                __field(u64, flags)
        ),
	TP_fast_assign(
                __entry->dev = sb->s_bdev->bd_dev;
                __entry->keydev = new_decode_dev(fsmap->fmr_device);
                __entry->block = fsmap->fmr_physical;
                __entry->len = fsmap->fmr_length;
                __entry->owner = fsmap->fmr_owner;
                __entry->flags = fsmap->fmr_flags;
        ),
	TP_printk("dev %d:%d keydev %d:%d block %llu len %llu owner %lld flags 0x%llx\n",
                  MAJOR(__entry->dev), MINOR(__entry->dev),
                  MAJOR(__entry->keydev), MINOR(__entry->keydev),
                  __entry->block,
                  __entry->len,
                  __entry->owner,
                  __entry->flags)
)

#define DEFINE_GETFSMAP_EVENT(name) \
DEFINE_EVENT(ext4_getfsmap_class, name, \
        TP_PROTO(struct super_block *sb, struct ext4_fsmap *fsmap), \
        TP_ARGS(sb, fsmap))

DEFINE_GETFSMAP_EVENT(ext4_getfsmap_low_key);

DEFINE_GETFSMAP_EVENT(ext4_getfsmap_high_key);

DEFINE_GETFSMAP_EVENT(ext4_getfsmap_mapping);

#endif /* _TRACE_EXT4_H */

/* This part must be outside protection */
#include <trace/define_trace.h>

Overall Contributors

PersonTokensPropCommitsCommitProp
Theodore Y. Ts'o70029.37%2232.35%
Jiaying Zhang46219.39%11.47%
Li Zefan2209.23%34.41%
Zheng Liu2068.64%1217.65%
Lukas Czerner1847.72%710.29%
Aditya Kali1727.22%11.47%
Jan Kara873.65%57.35%
Darrick J. Wong823.44%11.47%
Tao Ma753.15%11.47%
Anatol Pomozov612.56%22.94%
Eric Sandeen391.64%11.47%
Eric Gouriou361.51%11.47%
Namjae Jeon341.43%22.94%
Eric Whitney60.25%11.47%
Scott Wood30.13%11.47%
Josh Stone30.13%11.47%
Yongqiang Yang30.13%11.47%
Al Viro30.13%11.47%
Fengguang Wu20.08%11.47%
Christoph Hellwig20.08%11.47%
Zheng Yan20.08%11.47%
Wen Congyang10.04%11.47%
Total2383100.00%68100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.