diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_fs.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_fs.h | 631 |
1 files changed, 549 insertions, 82 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index f3aa59302fef..12463ba766da 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: LGPL-2.1 +/* SPDX-License-Identifier: LGPL-2.1 */ /* * Copyright (c) 1995-2005 Silicon Graphics, Inc. * All Rights Reserved. @@ -8,6 +8,7 @@ /* * SGI's XFS filesystem's major stuff (constants, structures) + * NOTE: This file must be compile-able with C++ compilers. */ /* @@ -65,7 +66,7 @@ struct getbmapx { /* 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 /* Do not generate DMAPI read event */ +#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 */ @@ -93,21 +94,6 @@ struct getbmapx { #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */ /* - * Structure for XFS_IOC_FSSETDM. - * For use by backup and restore programs to set the XFS on-disk inode - * fields di_dmevmask and di_dmstate. These must be set to exactly and - * only values previously obtained via xfs_bulkstat! (Specifically the - * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) - */ -#ifndef HAVE_FSDMIDATA -struct fsdmidata { - __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ - __u16 fsd_padding; - __u16 fsd_dmstate; /* corresponds to di_dmstate */ -}; -#endif - -/* * File segment locking set data type for 64 bit access. * Also used for all the RESV/FREE interfaces. */ @@ -124,7 +110,7 @@ typedef struct xfs_flock64 { /* * Output for XFS_IOC_FSGEOMETRY_V1 */ -typedef struct xfs_fsop_geom_v1 { +struct xfs_fsop_geom_v1 { __u32 blocksize; /* filesystem (data) block size */ __u32 rtextsize; /* realtime extent size */ __u32 agblocks; /* fsblocks in an AG */ @@ -145,12 +131,39 @@ typedef struct xfs_fsop_geom_v1 { __u32 logsectsize; /* log sector size, bytes */ __u32 rtsectsize; /* realtime sector size, bytes */ __u32 dirblocksize; /* directory block size, bytes */ -} xfs_fsop_geom_v1_t; +}; + +/* + * 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 */ -typedef struct xfs_fsop_geom { +struct xfs_fsop_geom { __u32 blocksize; /* filesystem (data) block size */ __u32 rtextsize; /* realtime extent size */ __u32 agblocks; /* fsblocks in an AG */ @@ -171,8 +184,26 @@ typedef struct xfs_fsop_geom { __u32 logsectsize; /* log sector size, bytes */ __u32 rtsectsize; /* realtime sector size, bytes */ __u32 dirblocksize; /* directory block size, bytes */ - __u32 logsunit; /* log stripe unit, bytes */ -} xfs_fsop_geom_t; + __u32 logsunit; /* log stripe unit, bytes */ + uint32_t sick; /* o: unhealthy fs & rt metadata */ + uint32_t checked; /* o: checked fs & rt metadata */ + __u32 rgextents; /* rt extents in a realtime group */ + __u32 rgcount; /* number of realtime groups */ + __u64 rtstart; /* start of internal rt section */ + __u64 rtreserved; /* RT (zoned) reserved blocks */ + __u64 reserved[14]; /* 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 */ +#define XFS_FSOP_GEOM_SICK_METADIR (1 << 8) /* metadata directory */ +#define XFS_FSOP_GEOM_SICK_METAPATH (1 << 9) /* metadir tree path */ /* Output for XFS_FS_COUNTS */ typedef struct xfs_fsop_counts { @@ -188,28 +219,37 @@ typedef struct xfs_fsop_resblks { __u64 resblks_avail; } xfs_fsop_resblks_t; -#define XFS_FSOP_GEOM_VERSION 0 - -#define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ -#define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ -#define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ -#define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ -#define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ -#define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ -#define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ -#define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ -#define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ -#define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ -#define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ -#define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */ -#define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ -#define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ -#define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ -#define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ -#define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ -#define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ -#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */ -#define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */ +#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 */ +#define XFS_FSOP_GEOM_FLAGS_METADIR (1 << 26) /* metadata directories */ +#define XFS_FSOP_GEOM_FLAGS_ZONED (1 << 27) /* zoned rt device */ /* * Minimum and maximum sizes need for growth checks. @@ -227,6 +267,10 @@ typedef struct xfs_fsop_resblks { */ #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 \ @@ -238,6 +282,32 @@ typedef struct xfs_fsop_resblks { (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 { @@ -260,11 +330,11 @@ typedef struct xfs_growfs_rt { * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE */ typedef struct xfs_bstime { - time_t tv_sec; /* seconds */ + __kernel_long_t tv_sec; /* seconds */ __s32 tv_nsec; /* and nanoseconds */ } xfs_bstime_t; -typedef struct xfs_bstat { +struct xfs_bstat { __u64 bs_ino; /* inode number */ __u16 bs_mode; /* type and mode */ __u16 bs_nlink; /* number of links */ @@ -285,20 +355,80 @@ typedef struct xfs_bstat { #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 */ - unsigned char bs_pad[6]; /* pad space, unused */ + 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 */ -} xfs_bstat_t; +}; + +/* 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 choosen + * 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(struct xfs_bstat *bs) +bstat_get_projid(const struct xfs_bstat *bs) { return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; } @@ -306,23 +436,98 @@ bstat_get_projid(struct xfs_bstat *bs) /* * The user-level BulkStat Request interface structure. */ -typedef struct xfs_fsop_bulkreq { +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 */ -} xfs_fsop_bulkreq_t; - +}; /* * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). */ -typedef struct xfs_inogrp { +struct xfs_inogrp { __u64 xi_startino; /* starting inode number */ __s32 xi_alloccount; /* # bits set in allocmask */ __u64 xi_allocmask; /* mask of allocated inodes */ -} xfs_inogrp_t; +}; + +/* 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) + +/* + * Allow bulkstat to return information about metadata directories. This + * enables xfs_scrub to find them for scanning, as they are otherwise ordinary + * directories. + */ +#define XFS_BULK_IREQ_METADIR (1U << 3) + +#define XFS_BULK_IREQ_FLAGS_ALL (XFS_BULK_IREQ_AGNO | \ + XFS_BULK_IREQ_SPECIAL | \ + XFS_BULK_IREQ_NREXT64 | \ + XFS_BULK_IREQ_METADIR) + +/* 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. @@ -380,20 +585,44 @@ typedef struct xfs_fsop_handlereq { /* * Compound structures for passing args through Handle Request interfaces - * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle - * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and - * XFS_IOC_ATTRMULTI_BY_HANDLE + * xfs_attrlist_by_handle, xfs_attrmulti_by_handle + * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE */ -typedef struct xfs_fsop_setdm_handlereq { - struct xfs_fsop_handlereq hreq; /* handle information */ - struct fsdmidata __user *data; /* DMAPI data */ -} xfs_fsop_setdm_handlereq_t; +/* + * 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 */ @@ -411,7 +640,7 @@ typedef struct xfs_attr_multiop { void __user *am_attrname; void __user *am_attrvalue; __u32 am_length; - __u32 am_flags; + __u32 am_flags; /* XFS_IOC_ATTR_* */ } xfs_attr_multiop_t; typedef struct xfs_fsop_attrmulti_handlereq { @@ -423,7 +652,9 @@ typedef struct xfs_fsop_attrmulti_handlereq { /* * per machine unique filesystem identifier types. */ -typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ +typedef struct xfs_fsid { + __u32 val[2]; /* file system id type */ +} xfs_fsid_t; typedef struct xfs_fid { __u16 fid_len; /* length of remainder */ @@ -453,7 +684,7 @@ typedef struct xfs_swapext xfs_off_t sx_offset; /* offset into file */ xfs_off_t sx_length; /* leng from offset */ char sx_pad[16]; /* pad space, unused */ - xfs_bstat_t sx_stat; /* stat of target b4 copy */ + struct xfs_bstat sx_stat; /* stat of target b4 copy */ } xfs_swapext_t; /* @@ -502,41 +733,63 @@ struct xfs_scrub_metadata { #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 */ +#define XFS_SCRUB_TYPE_METAPATH 29 /* metadata directory tree paths */ +#define XFS_SCRUB_TYPE_RGSUPER 30 /* realtime superblock */ +#define XFS_SCRUB_TYPE_RTRMAPBT 31 /* rtgroup reverse mapping btree */ +#define XFS_SCRUB_TYPE_RTREFCBT 32 /* realtime reference count btree */ /* Number of scrub subcommands. */ -#define XFS_SCRUB_TYPE_NR 24 +#define XFS_SCRUB_TYPE_NR 33 + +/* + * 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 (1 << 0) +#define XFS_SCRUB_IFLAG_REPAIR (1u << 0) /* o: Metadata object needs repair. */ -#define XFS_SCRUB_OFLAG_CORRUPT (1 << 1) +#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 (1 << 2) +#define XFS_SCRUB_OFLAG_PREEN (1u << 2) /* o: Cross-referencing failed. */ -#define XFS_SCRUB_OFLAG_XFAIL (1 << 3) +#define XFS_SCRUB_OFLAG_XFAIL (1u << 3) /* o: Metadata object disagrees with cross-referenced metadata. */ -#define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4) +#define XFS_SCRUB_OFLAG_XCORRUPT (1u << 4) /* o: Scan was not complete. */ -#define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5) +#define XFS_SCRUB_OFLAG_INCOMPLETE (1u << 5) /* o: Metadata object looked funny but isn't corrupt. */ -#define XFS_SCRUB_OFLAG_WARNING (1 << 6) +#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 (1 << 7) +#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) +#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 | \ @@ -546,6 +799,47 @@ struct xfs_scrub_metadata { 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) + +/* + * i: sm_ino values for XFS_SCRUB_TYPE_METAPATH to select a metadata file for + * path checking. + */ +#define XFS_SCRUB_METAPATH_PROBE (0) /* do we have a metapath scrubber? */ +#define XFS_SCRUB_METAPATH_RTDIR (1) /* rtrgroups metadir */ +#define XFS_SCRUB_METAPATH_RTBITMAP (2) /* per-rtg bitmap */ +#define XFS_SCRUB_METAPATH_RTSUMMARY (3) /* per-rtg summary */ +#define XFS_SCRUB_METAPATH_QUOTADIR (4) /* quota metadir */ +#define XFS_SCRUB_METAPATH_USRQUOTA (5) /* user quota */ +#define XFS_SCRUB_METAPATH_GRPQUOTA (6) /* group quota */ +#define XFS_SCRUB_METAPATH_PRJQUOTA (7) /* project quota */ +#define XFS_SCRUB_METAPATH_RTRMAPBT (8) /* realtime reverse mapping */ +#define XFS_SCRUB_METAPATH_RTREFCOUNTBT (9) /* realtime refcount */ + +/* Number of metapath sm_ino values */ +#define XFS_SCRUB_METAPATH_NR (10) + /* * ioctl limits */ @@ -555,6 +849,159 @@ struct xfs_scrub_metadata { # 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 */ +}; + +/* + * Using the same definition of file2 as struct xfs_exchange_range, commit the + * contents of file1 into file2 if file2 has the same inode number, mtime, and + * ctime as the arguments provided to the call. The old contents of file2 will + * be moved to file1. + * + * Returns -EBUSY if there isn't an exact match for the file2 fields. + * + * Filesystems must be able to restart and complete the operation even after + * the system goes down. + */ +struct xfs_commit_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 */ + + /* opaque file2 metadata for freshness checks */ + __u64 file2_freshness[6]; +}; + +/* + * 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 = ((char *)gpr + gpr->gpr_reclen); + void *end = (void *)(uintptr_t)(gp->gp_buffer + gp->gp_bufsize); + + if (next >= end) + return NULL; + + return (struct xfs_getparents_rec *)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; +}; + +/* + * Output for XFS_IOC_RTGROUP_GEOMETRY + */ +struct xfs_rtgroup_geometry { + __u32 rg_number; /* i/o: rtgroup number */ + __u32 rg_length; /* o: length in blocks */ + __u32 rg_sick; /* o: sick things in ag */ + __u32 rg_checked; /* o: checked metadata in ag */ + __u32 rg_flags; /* i/o: flags for this ag */ + __u32 rg_reserved[27]; /* o: zero */ +}; +#define XFS_RTGROUP_GEOM_SICK_SUPER (1U << 0) /* superblock */ +#define XFS_RTGROUP_GEOM_SICK_BITMAP (1U << 1) /* rtbitmap */ +#define XFS_RTGROUP_GEOM_SICK_SUMMARY (1U << 2) /* rtsummary */ +#define XFS_RTGROUP_GEOM_SICK_RMAPBT (1U << 3) /* reverse mappings */ +#define XFS_RTGROUP_GEOM_SICK_REFCNTBT (1U << 4) /* reference counts */ /* * ioctl commands that are used by Linux filesystems @@ -568,15 +1015,15 @@ struct xfs_scrub_metadata { * For 'documentation' purposed more than anything else, * the "cmd #" field reflects the IRIX fcntl number. */ -#define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) -#define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) +/* 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 -#define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) -#define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) +/* XFS_IOC_ALLOCSP64 ----- deprecated 36 */ +/* XFS_IOC_FREESP64 ------ deprecated 37 */ #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) -#define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) +/* 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) @@ -590,6 +1037,11 @@ struct xfs_scrub_metadata { #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) +#define XFS_IOC_RTGROUP_GEOMETRY _IOWR('X', 65, struct xfs_rtgroup_geometry) /* * ioctl commands that replace IRIX syssgi()'s @@ -617,13 +1069,28 @@ struct xfs_scrub_metadata { #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ -#define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) +/* 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 _IOR ('X', 124, struct xfs_fsop_geom) +#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) +#define XFS_IOC_START_COMMIT _IOR ('X', 130, struct xfs_commit_range) +#define XFS_IOC_COMMIT_RANGE _IOW ('X', 131, struct xfs_commit_range) /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ +/* + * Devices supported by a single XFS file system. Reported in fsmaps fmr_device + * when using internal RT devices. + */ +enum xfs_device { + XFS_DEV_DATA = 1, + XFS_DEV_LOG = 2, + XFS_DEV_RT = 3, +}; #ifndef HAVE_BBMACROS /* |