Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Tristan Ye | 512 | 97.90% | 5 | 62.50% |
Herbert Pötzl | 9 | 1.72% | 1 | 12.50% |
Thomas Gleixner | 1 | 0.19% | 1 | 12.50% |
Masahiro Yamada | 1 | 0.19% | 1 | 12.50% |
Total | 523 | 8 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * ocfs2_ioctl.h * * Defines OCFS2 ioctls. * * Copyright (C) 2010 Oracle. All rights reserved. */ #ifndef OCFS2_IOCTL_H #define OCFS2_IOCTL_H /* * Space reservation / allocation / free ioctls and argument structure * are designed to be compatible with XFS. * * ALLOCSP* and FREESP* are not and will never be supported, but are * included here for completeness. */ struct ocfs2_space_resv { __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 */ }; #define OCFS2_IOC_ALLOCSP _IOW ('X', 10, struct ocfs2_space_resv) #define OCFS2_IOC_FREESP _IOW ('X', 11, struct ocfs2_space_resv) #define OCFS2_IOC_RESVSP _IOW ('X', 40, struct ocfs2_space_resv) #define OCFS2_IOC_UNRESVSP _IOW ('X', 41, struct ocfs2_space_resv) #define OCFS2_IOC_ALLOCSP64 _IOW ('X', 36, struct ocfs2_space_resv) #define OCFS2_IOC_FREESP64 _IOW ('X', 37, struct ocfs2_space_resv) #define OCFS2_IOC_RESVSP64 _IOW ('X', 42, struct ocfs2_space_resv) #define OCFS2_IOC_UNRESVSP64 _IOW ('X', 43, struct ocfs2_space_resv) /* Used to pass group descriptor data when online resize is done */ struct ocfs2_new_group_input { __u64 group; /* Group descriptor's blkno. */ __u32 clusters; /* Total number of clusters in this group */ __u32 frees; /* Total free clusters in this group */ __u16 chain; /* Chain for this group */ __u16 reserved1; __u32 reserved2; }; #define OCFS2_IOC_GROUP_EXTEND _IOW('o', 1, int) #define OCFS2_IOC_GROUP_ADD _IOW('o', 2,struct ocfs2_new_group_input) #define OCFS2_IOC_GROUP_ADD64 _IOW('o', 3,struct ocfs2_new_group_input) /* Used to pass 2 file names to reflink. */ struct reflink_arguments { __u64 old_path; __u64 new_path; __u64 preserve; }; #define OCFS2_IOC_REFLINK _IOW('o', 4, struct reflink_arguments) /* Following definitions dedicated for ocfs2_info_request ioctls. */ #define OCFS2_INFO_MAX_REQUEST (50) #define OCFS2_TEXT_UUID_LEN (OCFS2_VOL_UUID_LEN * 2) /* Magic number of all requests */ #define OCFS2_INFO_MAGIC (0x4F32494E) /* * Always try to separate info request into small pieces to * guarantee the backward&forward compatibility. */ struct ocfs2_info { __u64 oi_requests; /* Array of __u64 pointers to requests */ __u32 oi_count; /* Number of requests in info_requests */ __u32 oi_pad; }; struct ocfs2_info_request { /*00*/ __u32 ir_magic; /* Magic number */ __u32 ir_code; /* Info request code */ __u32 ir_size; /* Size of request */ __u32 ir_flags; /* Request flags */ /*10*/ /* Request specific fields */ }; struct ocfs2_info_clustersize { struct ocfs2_info_request ic_req; __u32 ic_clustersize; __u32 ic_pad; }; struct ocfs2_info_blocksize { struct ocfs2_info_request ib_req; __u32 ib_blocksize; __u32 ib_pad; }; struct ocfs2_info_maxslots { struct ocfs2_info_request im_req; __u32 im_max_slots; __u32 im_pad; }; struct ocfs2_info_label { struct ocfs2_info_request il_req; __u8 il_label[OCFS2_MAX_VOL_LABEL_LEN]; } __attribute__ ((packed)); struct ocfs2_info_uuid { struct ocfs2_info_request iu_req; __u8 iu_uuid_str[OCFS2_TEXT_UUID_LEN + 1]; } __attribute__ ((packed)); struct ocfs2_info_fs_features { struct ocfs2_info_request if_req; __u32 if_compat_features; __u32 if_incompat_features; __u32 if_ro_compat_features; __u32 if_pad; }; struct ocfs2_info_journal_size { struct ocfs2_info_request ij_req; __u64 ij_journal_size; }; struct ocfs2_info_freeinode { struct ocfs2_info_request ifi_req; struct ocfs2_info_local_freeinode { __u64 lfi_total; __u64 lfi_free; } ifi_stat[OCFS2_MAX_SLOTS]; __u32 ifi_slotnum; /* out */ __u32 ifi_pad; }; #define OCFS2_INFO_MAX_HIST (32) struct ocfs2_info_freefrag { struct ocfs2_info_request iff_req; struct ocfs2_info_freefrag_stats { /* (out) */ struct ocfs2_info_free_chunk_list { __u32 fc_chunks[OCFS2_INFO_MAX_HIST]; __u32 fc_clusters[OCFS2_INFO_MAX_HIST]; } ffs_fc_hist; __u32 ffs_clusters; __u32 ffs_free_clusters; __u32 ffs_free_chunks; __u32 ffs_free_chunks_real; __u32 ffs_min; /* Minimum free chunksize in clusters */ __u32 ffs_max; __u32 ffs_avg; __u32 ffs_pad; } iff_ffs; __u32 iff_chunksize; /* chunksize in clusters(in) */ __u32 iff_pad; }; /* Codes for ocfs2_info_request */ enum ocfs2_info_type { OCFS2_INFO_CLUSTERSIZE = 1, OCFS2_INFO_BLOCKSIZE, OCFS2_INFO_MAXSLOTS, OCFS2_INFO_LABEL, OCFS2_INFO_UUID, OCFS2_INFO_FS_FEATURES, OCFS2_INFO_JOURNAL_SIZE, OCFS2_INFO_FREEINODE, OCFS2_INFO_FREEFRAG, OCFS2_INFO_NUM_TYPES }; /* Flags for struct ocfs2_info_request */ /* Filled by the caller */ #define OCFS2_INFO_FL_NON_COHERENT (0x00000001) /* Cluster coherency not required. This is a hint. It is up to ocfs2 whether the request can be fulfilled without locking. */ /* Filled by ocfs2 */ #define OCFS2_INFO_FL_FILLED (0x40000000) /* Filesystem understood this request and filled in the answer */ #define OCFS2_INFO_FL_ERROR (0x80000000) /* Error happened during request handling. */ #define OCFS2_IOC_INFO _IOR('o', 5, struct ocfs2_info) struct ocfs2_move_extents { /* All values are in bytes */ /* in */ __u64 me_start; /* Virtual start in the file to move */ __u64 me_len; /* Length of the extents to be moved */ __u64 me_goal; /* Physical offset of the goal, it's in block unit */ __u64 me_threshold; /* Maximum distance from goal or threshold for auto defragmentation */ __u64 me_flags; /* Flags for the operation: * - auto defragmentation. * - refcount,xattr cases. */ /* out */ __u64 me_moved_len; /* Moved/defraged length */ __u64 me_new_offset; /* Resulting physical location */ __u32 me_reserved[2]; /* Reserved for futhure */ }; #define OCFS2_MOVE_EXT_FL_AUTO_DEFRAG (0x00000001) /* Kernel manages to claim new clusters as the goal place for extents moving */ #define OCFS2_MOVE_EXT_FL_PART_DEFRAG (0x00000002) /* Allow partial extent moving, is to make movement less likely to fail, may make fs even more fragmented */ #define OCFS2_MOVE_EXT_FL_COMPLETE (0x00000004) /* Move or defragmenation completely gets done. */ #define OCFS2_IOC_MOVE_EXT _IOW('o', 6, struct ocfs2_move_extents) #endif /* OCFS2_IOCTL_H */
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