xfs_fs.h 21 KB

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  1. /*
  2. * Copyright (c) 1995-2005 Silicon Graphics, Inc.
  3. * All Rights Reserved.
  4. *
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU Lesser General Public License
  7. * as published by the Free Software Foundation.
  8. *
  9. * This program is distributed in the hope that it would be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU Lesser General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU Lesser General Public License
  15. * along with this program; if not, write the Free Software Foundation,
  16. * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  17. */
  18. #ifndef __XFS_FS_H__
  19. #define __XFS_FS_H__
  20. /*
  21. * SGI's XFS filesystem's major stuff (constants, structures)
  22. */
  23. /*
  24. * Direct I/O attribute record used with XFS_IOC_DIOINFO
  25. * d_miniosz is the min xfer size, xfer size multiple and file seek offset
  26. * alignment.
  27. */
  28. #ifndef HAVE_DIOATTR
  29. struct dioattr {
  30. __u32 d_mem; /* data buffer memory alignment */
  31. __u32 d_miniosz; /* min xfer size */
  32. __u32 d_maxiosz; /* max xfer size */
  33. };
  34. #endif
  35. /*
  36. * Structure for XFS_IOC_GETBMAP.
  37. * On input, fill in bmv_offset and bmv_length of the first structure
  38. * to indicate the area of interest in the file, and bmv_entries with
  39. * the number of array elements given back. The first structure is
  40. * updated on return to give the offset and length for the next call.
  41. */
  42. #ifndef HAVE_GETBMAP
  43. struct getbmap {
  44. __s64 bmv_offset; /* file offset of segment in blocks */
  45. __s64 bmv_block; /* starting block (64-bit daddr_t) */
  46. __s64 bmv_length; /* length of segment, blocks */
  47. __s32 bmv_count; /* # of entries in array incl. 1st */
  48. __s32 bmv_entries; /* # of entries filled in (output) */
  49. };
  50. #endif
  51. /*
  52. * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
  53. * are used exactly as in the getbmap structure. The getbmapx structure
  54. * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
  55. * is only used for the first structure. It contains input flags
  56. * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
  57. * in by the XFS_IOC_GETBMAPX command for each returned structure after
  58. * the first.
  59. */
  60. #ifndef HAVE_GETBMAPX
  61. struct getbmapx {
  62. __s64 bmv_offset; /* file offset of segment in blocks */
  63. __s64 bmv_block; /* starting block (64-bit daddr_t) */
  64. __s64 bmv_length; /* length of segment, blocks */
  65. __s32 bmv_count; /* # of entries in array incl. 1st */
  66. __s32 bmv_entries; /* # of entries filled in (output). */
  67. __s32 bmv_iflags; /* input flags (1st structure) */
  68. __s32 bmv_oflags; /* output flags (after 1st structure)*/
  69. __s32 bmv_unused1; /* future use */
  70. __s32 bmv_unused2; /* future use */
  71. };
  72. #endif
  73. /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
  74. #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
  75. #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
  76. #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
  77. #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */
  78. #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */
  79. #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */
  80. #define BMV_IF_VALID \
  81. (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \
  82. BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK)
  83. /* bmv_oflags values - returned for each non-header segment */
  84. #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
  85. #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */
  86. #define BMV_OF_LAST 0x4 /* segment is the last in the file */
  87. #define BMV_OF_SHARED 0x8 /* segment shared with another file */
  88. /* fmr_owner special values for FS_IOC_GETFSMAP */
  89. #define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */
  90. #define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */
  91. #define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */
  92. #define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */
  93. #define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */
  94. #define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */
  95. #define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */
  96. #define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */
  97. #define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */
  98. #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */
  99. /*
  100. * Structure for XFS_IOC_FSSETDM.
  101. * For use by backup and restore programs to set the XFS on-disk inode
  102. * fields di_dmevmask and di_dmstate. These must be set to exactly and
  103. * only values previously obtained via xfs_bulkstat! (Specifically the
  104. * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
  105. */
  106. #ifndef HAVE_FSDMIDATA
  107. struct fsdmidata {
  108. __u32 fsd_dmevmask; /* corresponds to di_dmevmask */
  109. __u16 fsd_padding;
  110. __u16 fsd_dmstate; /* corresponds to di_dmstate */
  111. };
  112. #endif
  113. /*
  114. * File segment locking set data type for 64 bit access.
  115. * Also used for all the RESV/FREE interfaces.
  116. */
  117. typedef struct xfs_flock64 {
  118. __s16 l_type;
  119. __s16 l_whence;
  120. __s64 l_start;
  121. __s64 l_len; /* len == 0 means until end of file */
  122. __s32 l_sysid;
  123. __u32 l_pid;
  124. __s32 l_pad[4]; /* reserve area */
  125. } xfs_flock64_t;
  126. /*
  127. * Output for XFS_IOC_FSGEOMETRY_V1
  128. */
  129. typedef struct xfs_fsop_geom_v1 {
  130. __u32 blocksize; /* filesystem (data) block size */
  131. __u32 rtextsize; /* realtime extent size */
  132. __u32 agblocks; /* fsblocks in an AG */
  133. __u32 agcount; /* number of allocation groups */
  134. __u32 logblocks; /* fsblocks in the log */
  135. __u32 sectsize; /* (data) sector size, bytes */
  136. __u32 inodesize; /* inode size in bytes */
  137. __u32 imaxpct; /* max allowed inode space(%) */
  138. __u64 datablocks; /* fsblocks in data subvolume */
  139. __u64 rtblocks; /* fsblocks in realtime subvol */
  140. __u64 rtextents; /* rt extents in realtime subvol*/
  141. __u64 logstart; /* starting fsblock of the log */
  142. unsigned char uuid[16]; /* unique id of the filesystem */
  143. __u32 sunit; /* stripe unit, fsblocks */
  144. __u32 swidth; /* stripe width, fsblocks */
  145. __s32 version; /* structure version */
  146. __u32 flags; /* superblock version flags */
  147. __u32 logsectsize; /* log sector size, bytes */
  148. __u32 rtsectsize; /* realtime sector size, bytes */
  149. __u32 dirblocksize; /* directory block size, bytes */
  150. } xfs_fsop_geom_v1_t;
  151. /*
  152. * Output for XFS_IOC_FSGEOMETRY
  153. */
  154. typedef struct xfs_fsop_geom {
  155. __u32 blocksize; /* filesystem (data) block size */
  156. __u32 rtextsize; /* realtime extent size */
  157. __u32 agblocks; /* fsblocks in an AG */
  158. __u32 agcount; /* number of allocation groups */
  159. __u32 logblocks; /* fsblocks in the log */
  160. __u32 sectsize; /* (data) sector size, bytes */
  161. __u32 inodesize; /* inode size in bytes */
  162. __u32 imaxpct; /* max allowed inode space(%) */
  163. __u64 datablocks; /* fsblocks in data subvolume */
  164. __u64 rtblocks; /* fsblocks in realtime subvol */
  165. __u64 rtextents; /* rt extents in realtime subvol*/
  166. __u64 logstart; /* starting fsblock of the log */
  167. unsigned char uuid[16]; /* unique id of the filesystem */
  168. __u32 sunit; /* stripe unit, fsblocks */
  169. __u32 swidth; /* stripe width, fsblocks */
  170. __s32 version; /* structure version */
  171. __u32 flags; /* superblock version flags */
  172. __u32 logsectsize; /* log sector size, bytes */
  173. __u32 rtsectsize; /* realtime sector size, bytes */
  174. __u32 dirblocksize; /* directory block size, bytes */
  175. __u32 logsunit; /* log stripe unit, bytes */
  176. } xfs_fsop_geom_t;
  177. /* Output for XFS_FS_COUNTS */
  178. typedef struct xfs_fsop_counts {
  179. __u64 freedata; /* free data section blocks */
  180. __u64 freertx; /* free rt extents */
  181. __u64 freeino; /* free inodes */
  182. __u64 allocino; /* total allocated inodes */
  183. } xfs_fsop_counts_t;
  184. /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
  185. typedef struct xfs_fsop_resblks {
  186. __u64 resblks;
  187. __u64 resblks_avail;
  188. } xfs_fsop_resblks_t;
  189. #define XFS_FSOP_GEOM_VERSION 0
  190. #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
  191. #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
  192. #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
  193. #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
  194. #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
  195. #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
  196. #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
  197. #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
  198. #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
  199. #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
  200. #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
  201. #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */
  202. #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */
  203. #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */
  204. #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */
  205. #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */
  206. #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */
  207. #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */
  208. #define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */
  209. #define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */
  210. /*
  211. * Minimum and maximum sizes need for growth checks.
  212. *
  213. * Block counts are in units of filesystem blocks, not basic blocks.
  214. */
  215. #define XFS_MIN_AG_BLOCKS 64
  216. #define XFS_MIN_LOG_BLOCKS 512ULL
  217. #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
  218. #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
  219. /* keep the maximum size under 2^31 by a small amount */
  220. #define XFS_MAX_LOG_BYTES \
  221. ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
  222. /* Used for sanity checks on superblock */
  223. #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
  224. #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
  225. (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
  226. /*
  227. * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
  228. */
  229. typedef struct xfs_growfs_data {
  230. __u64 newblocks; /* new data subvol size, fsblocks */
  231. __u32 imaxpct; /* new inode space percentage limit */
  232. } xfs_growfs_data_t;
  233. typedef struct xfs_growfs_log {
  234. __u32 newblocks; /* new log size, fsblocks */
  235. __u32 isint; /* 1 if new log is internal */
  236. } xfs_growfs_log_t;
  237. typedef struct xfs_growfs_rt {
  238. __u64 newblocks; /* new realtime size, fsblocks */
  239. __u32 extsize; /* new realtime extent size, fsblocks */
  240. } xfs_growfs_rt_t;
  241. /*
  242. * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
  243. */
  244. typedef struct xfs_bstime {
  245. time_t tv_sec; /* seconds */
  246. __s32 tv_nsec; /* and nanoseconds */
  247. } xfs_bstime_t;
  248. typedef struct xfs_bstat {
  249. __u64 bs_ino; /* inode number */
  250. __u16 bs_mode; /* type and mode */
  251. __u16 bs_nlink; /* number of links */
  252. __u32 bs_uid; /* user id */
  253. __u32 bs_gid; /* group id */
  254. __u32 bs_rdev; /* device value */
  255. __s32 bs_blksize; /* block size */
  256. __s64 bs_size; /* file size */
  257. xfs_bstime_t bs_atime; /* access time */
  258. xfs_bstime_t bs_mtime; /* modify time */
  259. xfs_bstime_t bs_ctime; /* inode change time */
  260. int64_t bs_blocks; /* number of blocks */
  261. __u32 bs_xflags; /* extended flags */
  262. __s32 bs_extsize; /* extent size */
  263. __s32 bs_extents; /* number of extents */
  264. __u32 bs_gen; /* generation count */
  265. __u16 bs_projid_lo; /* lower part of project id */
  266. #define bs_projid bs_projid_lo /* (previously just bs_projid) */
  267. __u16 bs_forkoff; /* inode fork offset in bytes */
  268. __u16 bs_projid_hi; /* higher part of project id */
  269. unsigned char bs_pad[6]; /* pad space, unused */
  270. __u32 bs_cowextsize; /* cow extent size */
  271. __u32 bs_dmevmask; /* DMIG event mask */
  272. __u16 bs_dmstate; /* DMIG state info */
  273. __u16 bs_aextents; /* attribute number of extents */
  274. } xfs_bstat_t;
  275. /*
  276. * Project quota id helpers (previously projid was 16bit only
  277. * and using two 16bit values to hold new 32bit projid was choosen
  278. * to retain compatibility with "old" filesystems).
  279. */
  280. static inline uint32_t
  281. bstat_get_projid(struct xfs_bstat *bs)
  282. {
  283. return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
  284. }
  285. /*
  286. * The user-level BulkStat Request interface structure.
  287. */
  288. typedef struct xfs_fsop_bulkreq {
  289. __u64 __user *lastip; /* last inode # pointer */
  290. __s32 icount; /* count of entries in buffer */
  291. void __user *ubuffer;/* user buffer for inode desc. */
  292. __s32 __user *ocount; /* output count pointer */
  293. } xfs_fsop_bulkreq_t;
  294. /*
  295. * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
  296. */
  297. typedef struct xfs_inogrp {
  298. __u64 xi_startino; /* starting inode number */
  299. __s32 xi_alloccount; /* # bits set in allocmask */
  300. __u64 xi_allocmask; /* mask of allocated inodes */
  301. } xfs_inogrp_t;
  302. /*
  303. * Error injection.
  304. */
  305. typedef struct xfs_error_injection {
  306. __s32 fd;
  307. __s32 errtag;
  308. } xfs_error_injection_t;
  309. /*
  310. * Speculative preallocation trimming.
  311. */
  312. #define XFS_EOFBLOCKS_VERSION 1
  313. struct xfs_fs_eofblocks {
  314. __u32 eof_version;
  315. __u32 eof_flags;
  316. uid_t eof_uid;
  317. gid_t eof_gid;
  318. prid_t eof_prid;
  319. __u32 pad32;
  320. __u64 eof_min_file_size;
  321. __u64 pad64[12];
  322. };
  323. /* eof_flags values */
  324. #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
  325. #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
  326. #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
  327. #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
  328. #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
  329. #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
  330. * kernel only, not included in
  331. * valid mask */
  332. #define XFS_EOF_FLAGS_VALID \
  333. (XFS_EOF_FLAGS_SYNC | \
  334. XFS_EOF_FLAGS_UID | \
  335. XFS_EOF_FLAGS_GID | \
  336. XFS_EOF_FLAGS_PRID | \
  337. XFS_EOF_FLAGS_MINFILESIZE)
  338. /*
  339. * The user-level Handle Request interface structure.
  340. */
  341. typedef struct xfs_fsop_handlereq {
  342. __u32 fd; /* fd for FD_TO_HANDLE */
  343. void __user *path; /* user pathname */
  344. __u32 oflags; /* open flags */
  345. void __user *ihandle;/* user supplied handle */
  346. __u32 ihandlen; /* user supplied length */
  347. void __user *ohandle;/* user buffer for handle */
  348. __u32 __user *ohandlen;/* user buffer length */
  349. } xfs_fsop_handlereq_t;
  350. /*
  351. * Compound structures for passing args through Handle Request interfaces
  352. * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
  353. * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
  354. * XFS_IOC_ATTRMULTI_BY_HANDLE
  355. */
  356. typedef struct xfs_fsop_setdm_handlereq {
  357. struct xfs_fsop_handlereq hreq; /* handle information */
  358. struct fsdmidata __user *data; /* DMAPI data */
  359. } xfs_fsop_setdm_handlereq_t;
  360. typedef struct xfs_attrlist_cursor {
  361. __u32 opaque[4];
  362. } xfs_attrlist_cursor_t;
  363. typedef struct xfs_fsop_attrlist_handlereq {
  364. struct xfs_fsop_handlereq hreq; /* handle interface structure */
  365. struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
  366. __u32 flags; /* which namespace to use */
  367. __u32 buflen; /* length of buffer supplied */
  368. void __user *buffer; /* returned names */
  369. } xfs_fsop_attrlist_handlereq_t;
  370. typedef struct xfs_attr_multiop {
  371. __u32 am_opcode;
  372. #define ATTR_OP_GET 1 /* return the indicated attr's value */
  373. #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
  374. #define ATTR_OP_REMOVE 3 /* remove the indicated attr */
  375. __s32 am_error;
  376. void __user *am_attrname;
  377. void __user *am_attrvalue;
  378. __u32 am_length;
  379. __u32 am_flags;
  380. } xfs_attr_multiop_t;
  381. typedef struct xfs_fsop_attrmulti_handlereq {
  382. struct xfs_fsop_handlereq hreq; /* handle interface structure */
  383. __u32 opcount;/* count of following multiop */
  384. struct xfs_attr_multiop __user *ops; /* attr_multi data */
  385. } xfs_fsop_attrmulti_handlereq_t;
  386. /*
  387. * per machine unique filesystem identifier types.
  388. */
  389. typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
  390. typedef struct xfs_fid {
  391. __u16 fid_len; /* length of remainder */
  392. __u16 fid_pad;
  393. __u32 fid_gen; /* generation number */
  394. __u64 fid_ino; /* 64 bits inode number */
  395. } xfs_fid_t;
  396. typedef struct xfs_handle {
  397. union {
  398. __s64 align; /* force alignment of ha_fid */
  399. xfs_fsid_t _ha_fsid; /* unique file system identifier */
  400. } ha_u;
  401. xfs_fid_t ha_fid; /* file system specific file ID */
  402. } xfs_handle_t;
  403. #define ha_fsid ha_u._ha_fsid
  404. /*
  405. * Structure passed to XFS_IOC_SWAPEXT
  406. */
  407. typedef struct xfs_swapext
  408. {
  409. int64_t sx_version; /* version */
  410. #define XFS_SX_VERSION 0
  411. int64_t sx_fdtarget; /* fd of target file */
  412. int64_t sx_fdtmp; /* fd of tmp file */
  413. xfs_off_t sx_offset; /* offset into file */
  414. xfs_off_t sx_length; /* leng from offset */
  415. char sx_pad[16]; /* pad space, unused */
  416. xfs_bstat_t sx_stat; /* stat of target b4 copy */
  417. } xfs_swapext_t;
  418. /*
  419. * Flags for going down operation
  420. */
  421. #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
  422. #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
  423. #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
  424. /*
  425. * ioctl limits
  426. */
  427. #ifdef XATTR_LIST_MAX
  428. # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
  429. #else
  430. # define XFS_XATTR_LIST_MAX 65536
  431. #endif
  432. /*
  433. * ioctl commands that are used by Linux filesystems
  434. */
  435. #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
  436. #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
  437. #define XFS_IOC_GETVERSION FS_IOC_GETVERSION
  438. /*
  439. * ioctl commands that replace IRIX fcntl()'s
  440. * For 'documentation' purposed more than anything else,
  441. * the "cmd #" field reflects the IRIX fcntl number.
  442. */
  443. #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
  444. #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
  445. #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
  446. #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
  447. #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
  448. #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
  449. #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
  450. #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
  451. #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
  452. #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
  453. #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
  454. #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
  455. #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
  456. #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
  457. #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
  458. /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
  459. /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
  460. #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
  461. #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
  462. #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
  463. /* XFS_IOC_GETFSMAP ------ hoisted 59 */
  464. /*
  465. * ioctl commands that replace IRIX syssgi()'s
  466. */
  467. #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
  468. #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
  469. #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
  470. #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
  471. #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
  472. #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
  473. #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
  474. #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
  475. #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
  476. #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
  477. #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
  478. #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
  479. #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
  480. #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
  481. #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
  482. #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
  483. #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
  484. #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
  485. /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
  486. #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
  487. #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
  488. #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
  489. #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
  490. #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
  491. #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
  492. #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t)
  493. /* XFS_IOC_GETFSUUID ---------- deprecated 140 */
  494. #ifndef HAVE_BBMACROS
  495. /*
  496. * Block I/O parameterization. A basic block (BB) is the lowest size of
  497. * filesystem allocation, and must equal 512. Length units given to bio
  498. * routines are in BB's.
  499. */
  500. #define BBSHIFT 9
  501. #define BBSIZE (1<<BBSHIFT)
  502. #define BBMASK (BBSIZE-1)
  503. #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
  504. #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
  505. #define BBTOB(bbs) ((bbs) << BBSHIFT)
  506. #endif
  507. #endif /* __XFS_FS_H__ */