| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Darrick J. Wong | 1176 | 42.97% | 61 | 50.41% |
| Christoph Hellwig | 1174 | 42.89% | 10 | 8.26% |
| David Chinner | 123 | 4.49% | 10 | 8.26% |
| Brian Foster | 81 | 2.96% | 6 | 4.96% |
| Nathan Scott | 51 | 1.86% | 10 | 8.26% |
| Eric Sandeen | 34 | 1.24% | 5 | 4.13% |
| Chandan Babu R | 19 | 0.69% | 2 | 1.65% |
| Timothy Shimmin | 18 | 0.66% | 1 | 0.83% |
| Jan Tulak | 16 | 0.58% | 1 | 0.83% |
| Arkadiusz Miskiewicz | 11 | 0.40% | 1 | 0.83% |
| Tao Ma | 5 | 0.18% | 1 | 0.83% |
| Zorro Lang | 5 | 0.18% | 1 | 0.83% |
| Allison Henderson | 5 | 0.18% | 1 | 0.83% |
| Long Li | 4 | 0.15% | 1 | 0.83% |
| Mark Tinguely | 4 | 0.15% | 1 | 0.83% |
| Barry Naujok | 3 | 0.11% | 1 | 0.83% |
| Anthony Iliopoulos | 1 | 0.04% | 1 | 0.83% |
| Anand Gadiyar | 1 | 0.04% | 1 | 0.83% |
| Joe Perches | 1 | 0.04% | 1 | 0.83% |
| Jie Liu | 1 | 0.04% | 1 | 0.83% |
| Dwight Engen | 1 | 0.04% | 1 | 0.83% |
| Nishad Kamdar | 1 | 0.04% | 1 | 0.83% |
| Stephen Lord | 1 | 0.04% | 1 | 0.83% |
| Arnd Bergmann | 1 | 0.04% | 1 | 0.83% |
| Total | 2737 | 121 |
/* SPDX-License-Identifier: LGPL-2.1 */ /* * Copyright (c) 1995-2005 Silicon Graphics, Inc. * All Rights Reserved. */ #ifndef __XFS_FS_H__ #define __XFS_FS_H__ /* * SGI's XFS filesystem's major stuff (constants, structures) */ /* * Direct I/O attribute record used with XFS_IOC_DIOINFO * d_miniosz is the min xfer size, xfer size multiple and file seek offset * alignment. */ #ifndef HAVE_DIOATTR struct dioattr { __u32 d_mem; /* data buffer memory alignment */ __u32 d_miniosz; /* min xfer size */ __u32 d_maxiosz; /* max xfer size */ }; #endif /* * Structure for XFS_IOC_GETBMAP. * On input, fill in bmv_offset and bmv_length of the first structure * to indicate the area of interest in the file, and bmv_entries with * the number of array elements given back. The first structure is * updated on return to give the offset and length for the next call. */ #ifndef HAVE_GETBMAP struct getbmap { __s64 bmv_offset; /* file offset of segment in blocks */ __s64 bmv_block; /* starting block (64-bit daddr_t) */ __s64 bmv_length; /* length of segment, blocks */ __s32 bmv_count; /* # of entries in array incl. 1st */ __s32 bmv_entries; /* # of entries filled in (output) */ }; #endif /* * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries * are used exactly as in the getbmap structure. The getbmapx structure * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field * is only used for the first structure. It contains input flags * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled * in by the XFS_IOC_GETBMAPX command for each returned structure after * the first. */ #ifndef HAVE_GETBMAPX struct getbmapx { __s64 bmv_offset; /* file offset of segment in blocks */ __s64 bmv_block; /* starting block (64-bit daddr_t) */ __s64 bmv_length; /* length of segment, blocks */ __s32 bmv_count; /* # of entries in array incl. 1st */ __s32 bmv_entries; /* # of entries filled in (output). */ __s32 bmv_iflags; /* input flags (1st structure) */ __s32 bmv_oflags; /* output flags (after 1st structure)*/ __s32 bmv_unused1; /* future use */ __s32 bmv_unused2; /* future use */ }; #endif /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ #define BMV_IF_NO_DMAPI_READ 0x2 /* Deprecated */ #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */ #define BMV_IF_VALID \ (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) /* bmv_oflags values - returned for each non-header segment */ #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ #define BMV_OF_LAST 0x4 /* segment is the last in the file */ #define BMV_OF_SHARED 0x8 /* segment shared with another file */ /* fmr_owner special values for FS_IOC_GETFSMAP */ #define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */ #define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */ #define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */ #define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */ #define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */ #define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */ #define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */ #define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */ #define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */ #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */ /* * File segment locking set data type for 64 bit access. * Also used for all the RESV/FREE interfaces. */ typedef struct xfs_flock64 { __s16 l_type; __s16 l_whence; __s64 l_start; __s64 l_len; /* len == 0 means until end of file */ __s32 l_sysid; __u32 l_pid; __s32 l_pad[4]; /* reserve area */ } xfs_flock64_t; /* * Output for XFS_IOC_FSGEOMETRY_V1 */ struct xfs_fsop_geom_v1 { __u32 blocksize; /* filesystem (data) block size */ __u32 rtextsize; /* realtime extent size */ __u32 agblocks; /* fsblocks in an AG */ __u32 agcount; /* number of allocation groups */ __u32 logblocks; /* fsblocks in the log */ __u32 sectsize; /* (data) sector size, bytes */ __u32 inodesize; /* inode size in bytes */ __u32 imaxpct; /* max allowed inode space(%) */ __u64 datablocks; /* fsblocks in data subvolume */ __u64 rtblocks; /* fsblocks in realtime subvol */ __u64 rtextents; /* rt extents in realtime subvol*/ __u64 logstart; /* starting fsblock of the log */ unsigned char uuid[16]; /* unique id of the filesystem */ __u32 sunit; /* stripe unit, fsblocks */ __u32 swidth; /* stripe width, fsblocks */ __s32 version; /* structure version */ __u32 flags; /* superblock version flags */ __u32 logsectsize; /* log sector size, bytes */ __u32 rtsectsize; /* realtime sector size, bytes */ __u32 dirblocksize; /* directory block size, bytes */ }; /* * Output for XFS_IOC_FSGEOMETRY_V4 */ struct xfs_fsop_geom_v4 { __u32 blocksize; /* filesystem (data) block size */ __u32 rtextsize; /* realtime extent size */ __u32 agblocks; /* fsblocks in an AG */ __u32 agcount; /* number of allocation groups */ __u32 logblocks; /* fsblocks in the log */ __u32 sectsize; /* (data) sector size, bytes */ __u32 inodesize; /* inode size in bytes */ __u32 imaxpct; /* max allowed inode space(%) */ __u64 datablocks; /* fsblocks in data subvolume */ __u64 rtblocks; /* fsblocks in realtime subvol */ __u64 rtextents; /* rt extents in realtime subvol*/ __u64 logstart; /* starting fsblock of the log */ unsigned char uuid[16]; /* unique id of the filesystem */ __u32 sunit; /* stripe unit, fsblocks */ __u32 swidth; /* stripe width, fsblocks */ __s32 version; /* structure version */ __u32 flags; /* superblock version flags */ __u32 logsectsize; /* log sector size, bytes */ __u32 rtsectsize; /* realtime sector size, bytes */ __u32 dirblocksize; /* directory block size, bytes */ __u32 logsunit; /* log stripe unit, bytes */ }; /* * Output for XFS_IOC_FSGEOMETRY */ struct xfs_fsop_geom { __u32 blocksize; /* filesystem (data) block size */ __u32 rtextsize; /* realtime extent size */ __u32 agblocks; /* fsblocks in an AG */ __u32 agcount; /* number of allocation groups */ __u32 logblocks; /* fsblocks in the log */ __u32 sectsize; /* (data) sector size, bytes */ __u32 inodesize; /* inode size in bytes */ __u32 imaxpct; /* max allowed inode space(%) */ __u64 datablocks; /* fsblocks in data subvolume */ __u64 rtblocks; /* fsblocks in realtime subvol */ __u64 rtextents; /* rt extents in realtime subvol*/ __u64 logstart; /* starting fsblock of the log */ unsigned char uuid[16]; /* unique id of the filesystem */ __u32 sunit; /* stripe unit, fsblocks */ __u32 swidth; /* stripe width, fsblocks */ __s32 version; /* structure version */ __u32 flags; /* superblock version flags */ __u32 logsectsize; /* log sector size, bytes */ __u32 rtsectsize; /* realtime sector size, bytes */ __u32 dirblocksize; /* directory block size, bytes */ __u32 logsunit; /* log stripe unit, bytes */ uint32_t sick; /* o: unhealthy fs & rt metadata */ uint32_t checked; /* o: checked fs & rt metadata */ __u64 reserved[17]; /* reserved space */ }; #define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */ #define XFS_FSOP_GEOM_SICK_UQUOTA (1 << 1) /* user quota */ #define XFS_FSOP_GEOM_SICK_GQUOTA (1 << 2) /* group quota */ #define XFS_FSOP_GEOM_SICK_PQUOTA (1 << 3) /* project quota */ #define XFS_FSOP_GEOM_SICK_RT_BITMAP (1 << 4) /* realtime bitmap */ #define XFS_FSOP_GEOM_SICK_RT_SUMMARY (1 << 5) /* realtime summary */ #define XFS_FSOP_GEOM_SICK_QUOTACHECK (1 << 6) /* quota counts */ #define XFS_FSOP_GEOM_SICK_NLINKS (1 << 7) /* inode link counts */ /* Output for XFS_FS_COUNTS */ typedef struct xfs_fsop_counts { __u64 freedata; /* free data section blocks */ __u64 freertx; /* free rt extents */ __u64 freeino; /* free inodes */ __u64 allocino; /* total allocated inodes */ } xfs_fsop_counts_t; /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ typedef struct xfs_fsop_resblks { __u64 resblks; __u64 resblks_avail; } xfs_fsop_resblks_t; #define XFS_FSOP_GEOM_VERSION 0 #define XFS_FSOP_GEOM_VERSION_V5 5 #define XFS_FSOP_GEOM_FLAGS_ATTR (1 << 0) /* attributes in use */ #define XFS_FSOP_GEOM_FLAGS_NLINK (1 << 1) /* 32-bit nlink values */ #define XFS_FSOP_GEOM_FLAGS_QUOTA (1 << 2) /* quotas enabled */ #define XFS_FSOP_GEOM_FLAGS_IALIGN (1 << 3) /* inode alignment */ #define XFS_FSOP_GEOM_FLAGS_DALIGN (1 << 4) /* large data alignment */ #define XFS_FSOP_GEOM_FLAGS_SHARED (1 << 5) /* read-only shared */ #define XFS_FSOP_GEOM_FLAGS_EXTFLG (1 << 6) /* special extent flag */ #define XFS_FSOP_GEOM_FLAGS_DIRV2 (1 << 7) /* directory version 2 */ #define XFS_FSOP_GEOM_FLAGS_LOGV2 (1 << 8) /* log format version 2 */ #define XFS_FSOP_GEOM_FLAGS_SECTOR (1 << 9) /* sector sizes >1BB */ #define XFS_FSOP_GEOM_FLAGS_ATTR2 (1 << 10) /* inline attributes rework */ #define XFS_FSOP_GEOM_FLAGS_PROJID32 (1 << 11) /* 32-bit project IDs */ #define XFS_FSOP_GEOM_FLAGS_DIRV2CI (1 << 12) /* ASCII only CI names */ /* -- Do not use -- (1 << 13) SGI parent pointers */ #define XFS_FSOP_GEOM_FLAGS_LAZYSB (1 << 14) /* lazy superblock counters */ #define XFS_FSOP_GEOM_FLAGS_V5SB (1 << 15) /* version 5 superblock */ #define XFS_FSOP_GEOM_FLAGS_FTYPE (1 << 16) /* inode directory types */ #define XFS_FSOP_GEOM_FLAGS_FINOBT (1 << 17) /* free inode btree */ #define XFS_FSOP_GEOM_FLAGS_SPINODES (1 << 18) /* sparse inode chunks */ #define XFS_FSOP_GEOM_FLAGS_RMAPBT (1 << 19) /* reverse mapping btree */ #define XFS_FSOP_GEOM_FLAGS_REFLINK (1 << 20) /* files can share blocks */ #define XFS_FSOP_GEOM_FLAGS_BIGTIME (1 << 21) /* 64-bit nsec timestamps */ #define XFS_FSOP_GEOM_FLAGS_INOBTCNT (1 << 22) /* inobt btree counter */ #define XFS_FSOP_GEOM_FLAGS_NREXT64 (1 << 23) /* large extent counters */ #define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE (1 << 24) /* exchange range */ #define XFS_FSOP_GEOM_FLAGS_PARENT (1 << 25) /* linux parent pointers */ /* * Minimum and maximum sizes need for growth checks. * * Block counts are in units of filesystem blocks, not basic blocks. */ #define XFS_MIN_AG_BLOCKS 64 #define XFS_MIN_LOG_BLOCKS 512ULL #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) /* * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than * 16MB or larger than 1TB. */ #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */ #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */ #define XFS_MAX_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_BLOCKSIZE) #define XFS_MAX_CRC_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_CRC_BLOCKSIZE) #define XFS_MAX_AGNUMBER ((xfs_agnumber_t)(NULLAGNUMBER - 1)) /* keep the maximum size under 2^31 by a small amount */ #define XFS_MAX_LOG_BYTES \ ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) /* Used for sanity checks on superblock */ #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) /* * Output for XFS_IOC_AG_GEOMETRY */ struct xfs_ag_geometry { uint32_t ag_number; /* i/o: AG number */ uint32_t ag_length; /* o: length in blocks */ uint32_t ag_freeblks; /* o: free space */ uint32_t ag_icount; /* o: inodes allocated */ uint32_t ag_ifree; /* o: inodes free */ uint32_t ag_sick; /* o: sick things in ag */ uint32_t ag_checked; /* o: checked metadata in ag */ uint32_t ag_flags; /* i/o: flags for this ag */ uint64_t ag_reserved[12];/* o: zero */ }; #define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */ #define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */ #define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */ #define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */ #define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */ #define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */ #define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */ #define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */ #define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */ #define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */ #define XFS_AG_GEOM_SICK_INODES (1 << 10) /* bad inodes were seen */ /* * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT */ typedef struct xfs_growfs_data { __u64 newblocks; /* new data subvol size, fsblocks */ __u32 imaxpct; /* new inode space percentage limit */ } xfs_growfs_data_t; typedef struct xfs_growfs_log { __u32 newblocks; /* new log size, fsblocks */ __u32 isint; /* 1 if new log is internal */ } xfs_growfs_log_t; typedef struct xfs_growfs_rt { __u64 newblocks; /* new realtime size, fsblocks */ __u32 extsize; /* new realtime extent size, fsblocks */ } xfs_growfs_rt_t; /* * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE */ typedef struct xfs_bstime { __kernel_long_t tv_sec; /* seconds */ __s32 tv_nsec; /* and nanoseconds */ } xfs_bstime_t; struct xfs_bstat { __u64 bs_ino; /* inode number */ __u16 bs_mode; /* type and mode */ __u16 bs_nlink; /* number of links */ __u32 bs_uid; /* user id */ __u32 bs_gid; /* group id */ __u32 bs_rdev; /* device value */ __s32 bs_blksize; /* block size */ __s64 bs_size; /* file size */ xfs_bstime_t bs_atime; /* access time */ xfs_bstime_t bs_mtime; /* modify time */ xfs_bstime_t bs_ctime; /* inode change time */ int64_t bs_blocks; /* number of blocks */ __u32 bs_xflags; /* extended flags */ __s32 bs_extsize; /* extent size */ __s32 bs_extents; /* number of extents */ __u32 bs_gen; /* generation count */ __u16 bs_projid_lo; /* lower part of project id */ #define bs_projid bs_projid_lo /* (previously just bs_projid) */ __u16 bs_forkoff; /* inode fork offset in bytes */ __u16 bs_projid_hi; /* higher part of project id */ uint16_t bs_sick; /* sick inode metadata */ uint16_t bs_checked; /* checked inode metadata */ unsigned char bs_pad[2]; /* pad space, unused */ __u32 bs_cowextsize; /* cow extent size */ __u32 bs_dmevmask; /* DMIG event mask */ __u16 bs_dmstate; /* DMIG state info */ __u16 bs_aextents; /* attribute number of extents */ }; /* New bulkstat structure that reports v5 features and fixes padding issues */ struct xfs_bulkstat { uint64_t bs_ino; /* inode number */ uint64_t bs_size; /* file size */ uint64_t bs_blocks; /* number of blocks */ uint64_t bs_xflags; /* extended flags */ int64_t bs_atime; /* access time, seconds */ int64_t bs_mtime; /* modify time, seconds */ int64_t bs_ctime; /* inode change time, seconds */ int64_t bs_btime; /* creation time, seconds */ uint32_t bs_gen; /* generation count */ uint32_t bs_uid; /* user id */ uint32_t bs_gid; /* group id */ uint32_t bs_projectid; /* project id */ uint32_t bs_atime_nsec; /* access time, nanoseconds */ uint32_t bs_mtime_nsec; /* modify time, nanoseconds */ uint32_t bs_ctime_nsec; /* inode change time, nanoseconds */ uint32_t bs_btime_nsec; /* creation time, nanoseconds */ uint32_t bs_blksize; /* block size */ uint32_t bs_rdev; /* device value */ uint32_t bs_cowextsize_blks; /* cow extent size hint, blocks */ uint32_t bs_extsize_blks; /* extent size hint, blocks */ uint32_t bs_nlink; /* number of links */ uint32_t bs_extents; /* 32-bit data fork extent counter */ uint32_t bs_aextents; /* attribute number of extents */ uint16_t bs_version; /* structure version */ uint16_t bs_forkoff; /* inode fork offset in bytes */ uint16_t bs_sick; /* sick inode metadata */ uint16_t bs_checked; /* checked inode metadata */ uint16_t bs_mode; /* type and mode */ uint16_t bs_pad2; /* zeroed */ uint64_t bs_extents64; /* 64-bit data fork extent counter */ uint64_t bs_pad[6]; /* zeroed */ }; #define XFS_BULKSTAT_VERSION_V1 (1) #define XFS_BULKSTAT_VERSION_V5 (5) /* bs_sick flags */ #define XFS_BS_SICK_INODE (1 << 0) /* inode core */ #define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */ #define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */ #define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */ #define XFS_BS_SICK_DIR (1 << 4) /* directory */ #define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */ #define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */ #define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */ #define XFS_BS_SICK_DIRTREE (1 << 8) /* directory tree structure */ /* * Project quota id helpers (previously projid was 16bit only * and using two 16bit values to hold new 32bit projid was chosen * to retain compatibility with "old" filesystems). */ static inline uint32_t bstat_get_projid(const struct xfs_bstat *bs) { return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; } /* * The user-level BulkStat Request interface structure. */ struct xfs_fsop_bulkreq { __u64 __user *lastip; /* last inode # pointer */ __s32 icount; /* count of entries in buffer */ void __user *ubuffer;/* user buffer for inode desc. */ __s32 __user *ocount; /* output count pointer */ }; /* * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). */ struct xfs_inogrp { __u64 xi_startino; /* starting inode number */ __s32 xi_alloccount; /* # bits set in allocmask */ __u64 xi_allocmask; /* mask of allocated inodes */ }; /* New inumbers structure that reports v5 features and fixes padding issues */ struct xfs_inumbers { uint64_t xi_startino; /* starting inode number */ uint64_t xi_allocmask; /* mask of allocated inodes */ uint8_t xi_alloccount; /* # bits set in allocmask */ uint8_t xi_version; /* version */ uint8_t xi_padding[6]; /* zero */ }; #define XFS_INUMBERS_VERSION_V1 (1) #define XFS_INUMBERS_VERSION_V5 (5) /* Header for bulk inode requests. */ struct xfs_bulk_ireq { uint64_t ino; /* I/O: start with this inode */ uint32_t flags; /* I/O: operation flags */ uint32_t icount; /* I: count of entries in buffer */ uint32_t ocount; /* O: count of entries filled out */ uint32_t agno; /* I: see comment for IREQ_AGNO */ uint64_t reserved[5]; /* must be zero */ }; /* * Only return results from the specified @agno. If @ino is zero, start * with the first inode of @agno. */ #define XFS_BULK_IREQ_AGNO (1U << 0) /* * Return bulkstat information for a single inode, where @ino value is a * special value, not a literal inode number. See the XFS_BULK_IREQ_SPECIAL_* * values below. Not compatible with XFS_BULK_IREQ_AGNO. */ #define XFS_BULK_IREQ_SPECIAL (1U << 1) /* * Return data fork extent count via xfs_bulkstat->bs_extents64 field and assign * 0 to xfs_bulkstat->bs_extents when the flag is set. Otherwise, use * xfs_bulkstat->bs_extents for returning data fork extent count and set * xfs_bulkstat->bs_extents64 to 0. In the second case, return -EOVERFLOW and * assign 0 to xfs_bulkstat->bs_extents if data fork extent count is larger than * XFS_MAX_EXTCNT_DATA_FORK_OLD. */ #define XFS_BULK_IREQ_NREXT64 (1U << 2) #define XFS_BULK_IREQ_FLAGS_ALL (XFS_BULK_IREQ_AGNO | \ XFS_BULK_IREQ_SPECIAL | \ XFS_BULK_IREQ_NREXT64) /* Operate on the root directory inode. */ #define XFS_BULK_IREQ_SPECIAL_ROOT (1) /* * ioctl structures for v5 bulkstat and inumbers requests */ struct xfs_bulkstat_req { struct xfs_bulk_ireq hdr; struct xfs_bulkstat bulkstat[]; }; #define XFS_BULKSTAT_REQ_SIZE(nr) (sizeof(struct xfs_bulkstat_req) + \ (nr) * sizeof(struct xfs_bulkstat)) struct xfs_inumbers_req { struct xfs_bulk_ireq hdr; struct xfs_inumbers inumbers[]; }; #define XFS_INUMBERS_REQ_SIZE(nr) (sizeof(struct xfs_inumbers_req) + \ (nr) * sizeof(struct xfs_inumbers)) /* * Error injection. */ typedef struct xfs_error_injection { __s32 fd; __s32 errtag; } xfs_error_injection_t; /* * Speculative preallocation trimming. */ #define XFS_EOFBLOCKS_VERSION 1 struct xfs_fs_eofblocks { __u32 eof_version; __u32 eof_flags; uid_t eof_uid; gid_t eof_gid; prid_t eof_prid; __u32 pad32; __u64 eof_min_file_size; __u64 pad64[12]; }; /* eof_flags values */ #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; * kernel only, not included in * valid mask */ #define XFS_EOF_FLAGS_VALID \ (XFS_EOF_FLAGS_SYNC | \ XFS_EOF_FLAGS_UID | \ XFS_EOF_FLAGS_GID | \ XFS_EOF_FLAGS_PRID | \ XFS_EOF_FLAGS_MINFILESIZE) /* * The user-level Handle Request interface structure. */ typedef struct xfs_fsop_handlereq { __u32 fd; /* fd for FD_TO_HANDLE */ void __user *path; /* user pathname */ __u32 oflags; /* open flags */ void __user *ihandle;/* user supplied handle */ __u32 ihandlen; /* user supplied length */ void __user *ohandle;/* user buffer for handle */ __u32 __user *ohandlen;/* user buffer length */ } xfs_fsop_handlereq_t; /* * Compound structures for passing args through Handle Request interfaces * xfs_attrlist_by_handle, xfs_attrmulti_by_handle * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE */ /* * Flags passed in xfs_attr_multiop.am_flags for the attr ioctl interface. * * NOTE: Must match the values declared in libattr without the XFS_IOC_ prefix. */ #define XFS_IOC_ATTR_ROOT 0x0002 /* use attrs in root namespace */ #define XFS_IOC_ATTR_SECURE 0x0008 /* use attrs in security namespace */ #define XFS_IOC_ATTR_CREATE 0x0010 /* fail if attr already exists */ #define XFS_IOC_ATTR_REPLACE 0x0020 /* fail if attr does not exist */ typedef struct xfs_attrlist_cursor { __u32 opaque[4]; } xfs_attrlist_cursor_t; /* * Define how lists of attribute names are returned to userspace from the * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the * beginning of the returned buffer, and a each entry in al_offset contains the * relative offset of an xfs_attrlist_ent containing the actual entry. * * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr. */ struct xfs_attrlist { __s32 al_count; /* number of entries in attrlist */ __s32 al_more; /* T/F: more attrs (do call again) */ __s32 al_offset[]; /* byte offsets of attrs [var-sized] */ }; struct xfs_attrlist_ent { /* data from attr_list() */ __u32 a_valuelen; /* number bytes in value of attr */ char a_name[]; /* attr name (NULL terminated) */ }; typedef struct xfs_fsop_attrlist_handlereq { struct xfs_fsop_handlereq hreq; /* handle interface structure */ struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ __u32 flags; /* which namespace to use */ __u32 buflen; /* length of buffer supplied */ void __user *buffer; /* returned names */ } xfs_fsop_attrlist_handlereq_t; typedef struct xfs_attr_multiop { __u32 am_opcode; #define ATTR_OP_GET 1 /* return the indicated attr's value */ #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ __s32 am_error; void __user *am_attrname; void __user *am_attrvalue; __u32 am_length; __u32 am_flags; /* XFS_IOC_ATTR_* */ } xfs_attr_multiop_t; typedef struct xfs_fsop_attrmulti_handlereq { struct xfs_fsop_handlereq hreq; /* handle interface structure */ __u32 opcount;/* count of following multiop */ struct xfs_attr_multiop __user *ops; /* attr_multi data */ } xfs_fsop_attrmulti_handlereq_t; /* * per machine unique filesystem identifier types. */ typedef struct xfs_fsid { __u32 val[2]; /* file system id type */ } xfs_fsid_t; typedef struct xfs_fid { __u16 fid_len; /* length of remainder */ __u16 fid_pad; __u32 fid_gen; /* generation number */ __u64 fid_ino; /* 64 bits inode number */ } xfs_fid_t; typedef struct xfs_handle { union { __s64 align; /* force alignment of ha_fid */ xfs_fsid_t _ha_fsid; /* unique file system identifier */ } ha_u; xfs_fid_t ha_fid; /* file system specific file ID */ } xfs_handle_t; #define ha_fsid ha_u._ha_fsid /* * Structure passed to XFS_IOC_SWAPEXT */ typedef struct xfs_swapext { int64_t sx_version; /* version */ #define XFS_SX_VERSION 0 int64_t sx_fdtarget; /* fd of target file */ int64_t sx_fdtmp; /* fd of tmp file */ xfs_off_t sx_offset; /* offset into file */ xfs_off_t sx_length; /* leng from offset */ char sx_pad[16]; /* pad space, unused */ struct xfs_bstat sx_stat; /* stat of target b4 copy */ } xfs_swapext_t; /* * Flags for going down operation */ #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ /* metadata scrubbing */ struct xfs_scrub_metadata { __u32 sm_type; /* What to check? */ __u32 sm_flags; /* flags; see below. */ __u64 sm_ino; /* inode number. */ __u32 sm_gen; /* inode generation. */ __u32 sm_agno; /* ag number. */ __u64 sm_reserved[5]; /* pad to 64 bytes */ }; /* * Metadata types and flags for scrub operation. */ /* Scrub subcommands. */ #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ #define XFS_SCRUB_TYPE_SB 1 /* superblock */ #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ #define XFS_SCRUB_TYPE_DIR 15 /* directory */ #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ #define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */ #define XFS_SCRUB_TYPE_QUOTACHECK 25 /* quota counters */ #define XFS_SCRUB_TYPE_NLINKS 26 /* inode link counts */ #define XFS_SCRUB_TYPE_HEALTHY 27 /* everything checked out ok */ #define XFS_SCRUB_TYPE_DIRTREE 28 /* directory tree structure */ /* Number of scrub subcommands. */ #define XFS_SCRUB_TYPE_NR 29 /* * This special type code only applies to the vectored scrub implementation. * * If any of the previous scrub vectors recorded runtime errors or have * sv_flags bits set that match the OFLAG bits in the barrier vector's * sv_flags, set the barrier's sv_ret to -ECANCELED and return to userspace. */ #define XFS_SCRUB_TYPE_BARRIER (0xFFFFFFFF) /* i: Repair this metadata. */ #define XFS_SCRUB_IFLAG_REPAIR (1u << 0) /* o: Metadata object needs repair. */ #define XFS_SCRUB_OFLAG_CORRUPT (1u << 1) /* * o: Metadata object could be optimized. It's not corrupt, but * we could improve on it somehow. */ #define XFS_SCRUB_OFLAG_PREEN (1u << 2) /* o: Cross-referencing failed. */ #define XFS_SCRUB_OFLAG_XFAIL (1u << 3) /* o: Metadata object disagrees with cross-referenced metadata. */ #define XFS_SCRUB_OFLAG_XCORRUPT (1u << 4) /* o: Scan was not complete. */ #define XFS_SCRUB_OFLAG_INCOMPLETE (1u << 5) /* o: Metadata object looked funny but isn't corrupt. */ #define XFS_SCRUB_OFLAG_WARNING (1u << 6) /* * o: IFLAG_REPAIR was set but metadata object did not need fixing or * optimization and has therefore not been altered. */ #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1u << 7) /* i: Rebuild the data structure. */ #define XFS_SCRUB_IFLAG_FORCE_REBUILD (1u << 8) #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR | \ XFS_SCRUB_IFLAG_FORCE_REBUILD) #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ XFS_SCRUB_OFLAG_PREEN | \ XFS_SCRUB_OFLAG_XFAIL | \ XFS_SCRUB_OFLAG_XCORRUPT | \ XFS_SCRUB_OFLAG_INCOMPLETE | \ XFS_SCRUB_OFLAG_WARNING | \ XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED) #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) /* Vectored scrub calls to reduce the number of kernel transitions. */ struct xfs_scrub_vec { __u32 sv_type; /* XFS_SCRUB_TYPE_* */ __u32 sv_flags; /* XFS_SCRUB_FLAGS_* */ __s32 sv_ret; /* 0 or a negative error code */ __u32 sv_reserved; /* must be zero */ }; /* Vectored metadata scrub control structure. */ struct xfs_scrub_vec_head { __u64 svh_ino; /* inode number. */ __u32 svh_gen; /* inode generation. */ __u32 svh_agno; /* ag number. */ __u32 svh_flags; /* XFS_SCRUB_VEC_FLAGS_* */ __u16 svh_rest_us; /* wait this much time between vector items */ __u16 svh_nr; /* number of svh_vectors */ __u64 svh_reserved; /* must be zero */ __u64 svh_vectors; /* pointer to buffer of xfs_scrub_vec */ }; #define XFS_SCRUB_VEC_FLAGS_ALL (0) /* * ioctl limits */ #ifdef XATTR_LIST_MAX # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX #else # define XFS_XATTR_LIST_MAX 65536 #endif /* * Exchange part of file1 with part of the file that this ioctl that is being * called against (which we'll call file2). Filesystems must be able to * restart and complete the operation even after the system goes down. */ struct xfs_exchange_range { __s32 file1_fd; __u32 pad; /* must be zeroes */ __u64 file1_offset; /* file1 offset, bytes */ __u64 file2_offset; /* file2 offset, bytes */ __u64 length; /* bytes to exchange */ __u64 flags; /* see XFS_EXCHANGE_RANGE_* below */ }; /* * Exchange file data all the way to the ends of both files, and then exchange * the file sizes. This flag can be used to replace a file's contents with a * different amount of data. length will be ignored. */ #define XFS_EXCHANGE_RANGE_TO_EOF (1ULL << 0) /* Flush all changes in file data and file metadata to disk before returning. */ #define XFS_EXCHANGE_RANGE_DSYNC (1ULL << 1) /* Dry run; do all the parameter verification but do not change anything. */ #define XFS_EXCHANGE_RANGE_DRY_RUN (1ULL << 2) /* * Exchange only the parts of the two files where the file allocation units * mapped to file1's range have been written to. This can accelerate * scatter-gather atomic writes with a temp file if all writes are aligned to * the file allocation unit. */ #define XFS_EXCHANGE_RANGE_FILE1_WRITTEN (1ULL << 3) #define XFS_EXCHANGE_RANGE_ALL_FLAGS (XFS_EXCHANGE_RANGE_TO_EOF | \ XFS_EXCHANGE_RANGE_DSYNC | \ XFS_EXCHANGE_RANGE_DRY_RUN | \ XFS_EXCHANGE_RANGE_FILE1_WRITTEN) /* Iterating parent pointers of files. */ /* target was the root directory */ #define XFS_GETPARENTS_OFLAG_ROOT (1U << 0) /* Cursor is done iterating pptrs */ #define XFS_GETPARENTS_OFLAG_DONE (1U << 1) #define XFS_GETPARENTS_OFLAGS_ALL (XFS_GETPARENTS_OFLAG_ROOT | \ XFS_GETPARENTS_OFLAG_DONE) #define XFS_GETPARENTS_IFLAGS_ALL (0) struct xfs_getparents_rec { struct xfs_handle gpr_parent; /* Handle to parent */ __u32 gpr_reclen; /* Length of entire record */ __u32 gpr_reserved; /* zero */ char gpr_name[]; /* Null-terminated filename */ }; /* Iterate through this file's directory parent pointers */ struct xfs_getparents { /* * Structure to track progress in iterating the parent pointers. * Must be initialized to zeroes before the first ioctl call, and * not touched by callers after that. */ struct xfs_attrlist_cursor gp_cursor; /* Input flags: XFS_GETPARENTS_IFLAG* */ __u16 gp_iflags; /* Output flags: XFS_GETPARENTS_OFLAG* */ __u16 gp_oflags; /* Size of the gp_buffer in bytes */ __u32 gp_bufsize; /* Must be set to zero */ __u64 gp_reserved; /* Pointer to a buffer in which to place xfs_getparents_rec */ __u64 gp_buffer; }; static inline struct xfs_getparents_rec * xfs_getparents_first_rec(struct xfs_getparents *gp) { return (struct xfs_getparents_rec *)(uintptr_t)gp->gp_buffer; } static inline struct xfs_getparents_rec * xfs_getparents_next_rec(struct xfs_getparents *gp, struct xfs_getparents_rec *gpr) { void *next = ((void *)gpr + gpr->gpr_reclen); void *end = (void *)(uintptr_t)(gp->gp_buffer + gp->gp_bufsize); if (next >= end) return NULL; return next; } /* Iterate through this file handle's directory parent pointers. */ struct xfs_getparents_by_handle { /* Handle to file whose parents we want. */ struct xfs_handle gph_handle; struct xfs_getparents gph_request; }; /* * ioctl commands that are used by Linux filesystems */ #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS #define XFS_IOC_GETVERSION FS_IOC_GETVERSION /* * ioctl commands that replace IRIX fcntl()'s * For 'documentation' purposed more than anything else, * the "cmd #" field reflects the IRIX fcntl number. */ /* XFS_IOC_ALLOCSP ------- deprecated 10 */ /* XFS_IOC_FREESP -------- deprecated 11 */ #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR /* XFS_IOC_ALLOCSP64 ----- deprecated 36 */ /* XFS_IOC_FREESP64 ------ deprecated 37 */ #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) /* XFS_IOC_FSSETDM ------- deprecated 39 */ #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) /* XFS_IOC_GETFSMAP ------ hoisted 59 */ #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) #define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry) #define XFS_IOC_GETPARENTS _IOWR('X', 62, struct xfs_getparents) #define XFS_IOC_GETPARENTS_BY_HANDLE _IOWR('X', 63, struct xfs_getparents_by_handle) #define XFS_IOC_SCRUBV_METADATA _IOWR('X', 64, struct xfs_scrub_vec_head) /* * ioctl commands that replace IRIX syssgi()'s */ #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ /* XFS_IOC_FSSETDM_BY_HANDLE -- deprecated 121 */ #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) #define XFS_IOC_FSGEOMETRY_V4 _IOR ('X', 124, struct xfs_fsop_geom_v4) #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) #define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom) #define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req) #define XFS_IOC_INUMBERS _IOR ('X', 128, struct xfs_inumbers_req) #define XFS_IOC_EXCHANGE_RANGE _IOW ('X', 129, struct xfs_exchange_range) /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ #ifndef HAVE_BBMACROS /* * Block I/O parameterization. A basic block (BB) is the lowest size of * filesystem allocation, and must equal 512. Length units given to bio * routines are in BB's. */ #define BBSHIFT 9 #define BBSIZE (1<<BBSHIFT) #define BBMASK (BBSIZE-1) #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) #define BBTOB(bbs) ((bbs) << BBSHIFT) #endif #endif /* __XFS_FS_H__ */
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