xfs_fs.h 19 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_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
  37. */
  38. #ifndef HAVE_FSXATTR
  39. struct fsxattr {
  40. __u32 fsx_xflags; /* xflags field value (get/set) */
  41. __u32 fsx_extsize; /* extsize field value (get/set)*/
  42. __u32 fsx_nextents; /* nextents field value (get) */
  43. __u32 fsx_projid; /* project identifier (get/set) */
  44. unsigned char fsx_pad[12];
  45. };
  46. #endif
  47. /*
  48. * Flags for the bs_xflags/fsx_xflags field
  49. * There should be a one-to-one correspondence between these flags and the
  50. * XFS_DIFLAG_s.
  51. */
  52. #define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */
  53. #define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */
  54. #define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */
  55. #define XFS_XFLAG_APPEND 0x00000010 /* all writes append */
  56. #define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */
  57. #define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */
  58. #define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */
  59. #define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */
  60. #define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */
  61. #define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */
  62. #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */
  63. #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
  64. #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
  65. #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
  66. /*
  67. * Structure for XFS_IOC_GETBMAP.
  68. * On input, fill in bmv_offset and bmv_length of the first structure
  69. * to indicate the area of interest in the file, and bmv_entries with
  70. * the number of array elements given back. The first structure is
  71. * updated on return to give the offset and length for the next call.
  72. */
  73. #ifndef HAVE_GETBMAP
  74. struct getbmap {
  75. __s64 bmv_offset; /* file offset of segment in blocks */
  76. __s64 bmv_block; /* starting block (64-bit daddr_t) */
  77. __s64 bmv_length; /* length of segment, blocks */
  78. __s32 bmv_count; /* # of entries in array incl. 1st */
  79. __s32 bmv_entries; /* # of entries filled in (output) */
  80. };
  81. #endif
  82. /*
  83. * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
  84. * are used exactly as in the getbmap structure. The getbmapx structure
  85. * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
  86. * is only used for the first structure. It contains input flags
  87. * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
  88. * in by the XFS_IOC_GETBMAPX command for each returned structure after
  89. * the first.
  90. */
  91. #ifndef HAVE_GETBMAPX
  92. struct getbmapx {
  93. __s64 bmv_offset; /* file offset of segment in blocks */
  94. __s64 bmv_block; /* starting block (64-bit daddr_t) */
  95. __s64 bmv_length; /* length of segment, blocks */
  96. __s32 bmv_count; /* # of entries in array incl. 1st */
  97. __s32 bmv_entries; /* # of entries filled in (output). */
  98. __s32 bmv_iflags; /* input flags (1st structure) */
  99. __s32 bmv_oflags; /* output flags (after 1st structure)*/
  100. __s32 bmv_unused1; /* future use */
  101. __s32 bmv_unused2; /* future use */
  102. };
  103. #endif
  104. /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
  105. #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
  106. #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
  107. #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
  108. #define BMV_IF_VALID (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC)
  109. #ifdef __KERNEL__
  110. #define BMV_IF_EXTENDED 0x40000000 /* getpmapx if set */
  111. #endif
  112. /* bmv_oflags values - returned for for each non-header segment */
  113. #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
  114. /* Convert getbmap <-> getbmapx - move fields from p1 to p2. */
  115. #define GETBMAP_CONVERT(p1,p2) { \
  116. p2.bmv_offset = p1.bmv_offset; \
  117. p2.bmv_block = p1.bmv_block; \
  118. p2.bmv_length = p1.bmv_length; \
  119. p2.bmv_count = p1.bmv_count; \
  120. p2.bmv_entries = p1.bmv_entries; }
  121. /*
  122. * Structure for XFS_IOC_FSSETDM.
  123. * For use by backup and restore programs to set the XFS on-disk inode
  124. * fields di_dmevmask and di_dmstate. These must be set to exactly and
  125. * only values previously obtained via xfs_bulkstat! (Specifically the
  126. * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
  127. */
  128. #ifndef HAVE_FSDMIDATA
  129. struct fsdmidata {
  130. __u32 fsd_dmevmask; /* corresponds to di_dmevmask */
  131. __u16 fsd_padding;
  132. __u16 fsd_dmstate; /* corresponds to di_dmstate */
  133. };
  134. #endif
  135. /*
  136. * File segment locking set data type for 64 bit access.
  137. * Also used for all the RESV/FREE interfaces.
  138. */
  139. typedef struct xfs_flock64 {
  140. __s16 l_type;
  141. __s16 l_whence;
  142. __s64 l_start;
  143. __s64 l_len; /* len == 0 means until end of file */
  144. __s32 l_sysid;
  145. __u32 l_pid;
  146. __s32 l_pad[4]; /* reserve area */
  147. } xfs_flock64_t;
  148. /*
  149. * Output for XFS_IOC_FSGEOMETRY_V1
  150. */
  151. typedef struct xfs_fsop_geom_v1 {
  152. __u32 blocksize; /* filesystem (data) block size */
  153. __u32 rtextsize; /* realtime extent size */
  154. __u32 agblocks; /* fsblocks in an AG */
  155. __u32 agcount; /* number of allocation groups */
  156. __u32 logblocks; /* fsblocks in the log */
  157. __u32 sectsize; /* (data) sector size, bytes */
  158. __u32 inodesize; /* inode size in bytes */
  159. __u32 imaxpct; /* max allowed inode space(%) */
  160. __u64 datablocks; /* fsblocks in data subvolume */
  161. __u64 rtblocks; /* fsblocks in realtime subvol */
  162. __u64 rtextents; /* rt extents in realtime subvol*/
  163. __u64 logstart; /* starting fsblock of the log */
  164. unsigned char uuid[16]; /* unique id of the filesystem */
  165. __u32 sunit; /* stripe unit, fsblocks */
  166. __u32 swidth; /* stripe width, fsblocks */
  167. __s32 version; /* structure version */
  168. __u32 flags; /* superblock version flags */
  169. __u32 logsectsize; /* log sector size, bytes */
  170. __u32 rtsectsize; /* realtime sector size, bytes */
  171. __u32 dirblocksize; /* directory block size, bytes */
  172. } xfs_fsop_geom_v1_t;
  173. /*
  174. * Output for XFS_IOC_FSGEOMETRY
  175. */
  176. typedef struct xfs_fsop_geom {
  177. __u32 blocksize; /* filesystem (data) block size */
  178. __u32 rtextsize; /* realtime extent size */
  179. __u32 agblocks; /* fsblocks in an AG */
  180. __u32 agcount; /* number of allocation groups */
  181. __u32 logblocks; /* fsblocks in the log */
  182. __u32 sectsize; /* (data) sector size, bytes */
  183. __u32 inodesize; /* inode size in bytes */
  184. __u32 imaxpct; /* max allowed inode space(%) */
  185. __u64 datablocks; /* fsblocks in data subvolume */
  186. __u64 rtblocks; /* fsblocks in realtime subvol */
  187. __u64 rtextents; /* rt extents in realtime subvol*/
  188. __u64 logstart; /* starting fsblock of the log */
  189. unsigned char uuid[16]; /* unique id of the filesystem */
  190. __u32 sunit; /* stripe unit, fsblocks */
  191. __u32 swidth; /* stripe width, fsblocks */
  192. __s32 version; /* structure version */
  193. __u32 flags; /* superblock version flags */
  194. __u32 logsectsize; /* log sector size, bytes */
  195. __u32 rtsectsize; /* realtime sector size, bytes */
  196. __u32 dirblocksize; /* directory block size, bytes */
  197. __u32 logsunit; /* log stripe unit, bytes */
  198. } xfs_fsop_geom_t;
  199. /* Output for XFS_FS_COUNTS */
  200. typedef struct xfs_fsop_counts {
  201. __u64 freedata; /* free data section blocks */
  202. __u64 freertx; /* free rt extents */
  203. __u64 freeino; /* free inodes */
  204. __u64 allocino; /* total allocated inodes */
  205. } xfs_fsop_counts_t;
  206. /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
  207. typedef struct xfs_fsop_resblks {
  208. __u64 resblks;
  209. __u64 resblks_avail;
  210. } xfs_fsop_resblks_t;
  211. #define XFS_FSOP_GEOM_VERSION 0
  212. #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
  213. #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
  214. #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
  215. #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
  216. #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
  217. #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
  218. #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
  219. #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
  220. #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
  221. #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
  222. #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
  223. /*
  224. * Minimum and maximum sizes need for growth checks
  225. */
  226. #define XFS_MIN_AG_BLOCKS 64
  227. #define XFS_MIN_LOG_BLOCKS 512
  228. #define XFS_MAX_LOG_BLOCKS (64 * 1024)
  229. #define XFS_MIN_LOG_BYTES (256 * 1024)
  230. #define XFS_MAX_LOG_BYTES (128 * 1024 * 1024)
  231. /*
  232. * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
  233. */
  234. typedef struct xfs_growfs_data {
  235. __u64 newblocks; /* new data subvol size, fsblocks */
  236. __u32 imaxpct; /* new inode space percentage limit */
  237. } xfs_growfs_data_t;
  238. typedef struct xfs_growfs_log {
  239. __u32 newblocks; /* new log size, fsblocks */
  240. __u32 isint; /* 1 if new log is internal */
  241. } xfs_growfs_log_t;
  242. typedef struct xfs_growfs_rt {
  243. __u64 newblocks; /* new realtime size, fsblocks */
  244. __u32 extsize; /* new realtime extent size, fsblocks */
  245. } xfs_growfs_rt_t;
  246. /*
  247. * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
  248. */
  249. typedef struct xfs_bstime {
  250. time_t tv_sec; /* seconds */
  251. __s32 tv_nsec; /* and nanoseconds */
  252. } xfs_bstime_t;
  253. typedef struct xfs_bstat {
  254. __u64 bs_ino; /* inode number */
  255. __u16 bs_mode; /* type and mode */
  256. __u16 bs_nlink; /* number of links */
  257. __u32 bs_uid; /* user id */
  258. __u32 bs_gid; /* group id */
  259. __u32 bs_rdev; /* device value */
  260. __s32 bs_blksize; /* block size */
  261. __s64 bs_size; /* file size */
  262. xfs_bstime_t bs_atime; /* access time */
  263. xfs_bstime_t bs_mtime; /* modify time */
  264. xfs_bstime_t bs_ctime; /* inode change time */
  265. int64_t bs_blocks; /* number of blocks */
  266. __u32 bs_xflags; /* extended flags */
  267. __s32 bs_extsize; /* extent size */
  268. __s32 bs_extents; /* number of extents */
  269. __u32 bs_gen; /* generation count */
  270. __u16 bs_projid; /* project id */
  271. unsigned char bs_pad[14]; /* pad space, unused */
  272. __u32 bs_dmevmask; /* DMIG event mask */
  273. __u16 bs_dmstate; /* DMIG state info */
  274. __u16 bs_aextents; /* attribute number of extents */
  275. } xfs_bstat_t;
  276. /*
  277. * The user-level BulkStat Request interface structure.
  278. */
  279. typedef struct xfs_fsop_bulkreq {
  280. __u64 __user *lastip; /* last inode # pointer */
  281. __s32 icount; /* count of entries in buffer */
  282. void __user *ubuffer;/* user buffer for inode desc. */
  283. __s32 __user *ocount; /* output count pointer */
  284. } xfs_fsop_bulkreq_t;
  285. /*
  286. * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
  287. */
  288. typedef struct xfs_inogrp {
  289. __u64 xi_startino; /* starting inode number */
  290. __s32 xi_alloccount; /* # bits set in allocmask */
  291. __u64 xi_allocmask; /* mask of allocated inodes */
  292. } xfs_inogrp_t;
  293. /*
  294. * Error injection.
  295. */
  296. typedef struct xfs_error_injection {
  297. __s32 fd;
  298. __s32 errtag;
  299. } xfs_error_injection_t;
  300. /*
  301. * The user-level Handle Request interface structure.
  302. */
  303. typedef struct xfs_fsop_handlereq {
  304. __u32 fd; /* fd for FD_TO_HANDLE */
  305. void __user *path; /* user pathname */
  306. __u32 oflags; /* open flags */
  307. void __user *ihandle;/* user supplied handle */
  308. __u32 ihandlen; /* user supplied length */
  309. void __user *ohandle;/* user buffer for handle */
  310. __u32 __user *ohandlen;/* user buffer length */
  311. } xfs_fsop_handlereq_t;
  312. /*
  313. * Compound structures for passing args through Handle Request interfaces
  314. * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
  315. * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
  316. * XFS_IOC_ATTRMULTI_BY_HANDLE
  317. */
  318. typedef struct xfs_fsop_setdm_handlereq {
  319. struct xfs_fsop_handlereq hreq; /* handle information */
  320. struct fsdmidata __user *data; /* DMAPI data */
  321. } xfs_fsop_setdm_handlereq_t;
  322. typedef struct xfs_attrlist_cursor {
  323. __u32 opaque[4];
  324. } xfs_attrlist_cursor_t;
  325. typedef struct xfs_fsop_attrlist_handlereq {
  326. struct xfs_fsop_handlereq hreq; /* handle interface structure */
  327. struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
  328. __u32 flags; /* which namespace to use */
  329. __u32 buflen; /* length of buffer supplied */
  330. void __user *buffer; /* returned names */
  331. } xfs_fsop_attrlist_handlereq_t;
  332. typedef struct xfs_attr_multiop {
  333. __u32 am_opcode;
  334. __s32 am_error;
  335. void __user *am_attrname;
  336. void __user *am_attrvalue;
  337. __u32 am_length;
  338. __u32 am_flags;
  339. } xfs_attr_multiop_t;
  340. typedef struct xfs_fsop_attrmulti_handlereq {
  341. struct xfs_fsop_handlereq hreq; /* handle interface structure */
  342. __u32 opcount;/* count of following multiop */
  343. struct xfs_attr_multiop __user *ops; /* attr_multi data */
  344. } xfs_fsop_attrmulti_handlereq_t;
  345. /*
  346. * per machine unique filesystem identifier types.
  347. */
  348. typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
  349. #ifndef HAVE_FID
  350. #define MAXFIDSZ 46
  351. typedef struct fid {
  352. __u16 fid_len; /* length of data in bytes */
  353. unsigned char fid_data[MAXFIDSZ]; /* data (fid_len worth) */
  354. } fid_t;
  355. #endif
  356. typedef struct xfs_fid {
  357. __u16 xfs_fid_len; /* length of remainder */
  358. __u16 xfs_fid_pad;
  359. __u32 xfs_fid_gen; /* generation number */
  360. __u64 xfs_fid_ino; /* 64 bits inode number */
  361. } xfs_fid_t;
  362. typedef struct xfs_fid2 {
  363. __u16 fid_len; /* length of remainder */
  364. __u16 fid_pad; /* padding, must be zero */
  365. __u32 fid_gen; /* generation number */
  366. __u64 fid_ino; /* inode number */
  367. } xfs_fid2_t;
  368. typedef struct xfs_handle {
  369. union {
  370. __s64 align; /* force alignment of ha_fid */
  371. xfs_fsid_t _ha_fsid; /* unique file system identifier */
  372. } ha_u;
  373. xfs_fid_t ha_fid; /* file system specific file ID */
  374. } xfs_handle_t;
  375. #define ha_fsid ha_u._ha_fsid
  376. #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.xfs_fid_pad \
  377. - (char *) &(handle)) \
  378. + (handle).ha_fid.xfs_fid_len)
  379. /*
  380. * Flags for going down operation
  381. */
  382. #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
  383. #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
  384. #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
  385. /*
  386. * ioctl commands that are used by Linux filesystems
  387. */
  388. #define XFS_IOC_GETXFLAGS _IOR('f', 1, long)
  389. #define XFS_IOC_SETXFLAGS _IOW('f', 2, long)
  390. #define XFS_IOC_GETVERSION _IOR('v', 1, long)
  391. /*
  392. * ioctl commands that replace IRIX fcntl()'s
  393. * For 'documentation' purposed more than anything else,
  394. * the "cmd #" field reflects the IRIX fcntl number.
  395. */
  396. #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
  397. #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
  398. #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
  399. #define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
  400. #define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
  401. #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
  402. #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
  403. #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
  404. #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
  405. #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
  406. #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
  407. #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
  408. #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
  409. #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
  410. #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
  411. /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
  412. /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
  413. #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
  414. /*
  415. * ioctl commands that replace IRIX syssgi()'s
  416. */
  417. #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
  418. #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
  419. #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
  420. #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
  421. #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
  422. #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
  423. #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
  424. #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
  425. #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
  426. #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
  427. #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
  428. #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
  429. #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
  430. #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
  431. #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
  432. #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
  433. #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
  434. #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
  435. /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
  436. #define XFS_IOC_FREEZE _IOWR('X', 119, int)
  437. #define XFS_IOC_THAW _IOWR('X', 120, int)
  438. #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
  439. #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
  440. #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
  441. #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
  442. #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
  443. /* XFS_IOC_GETFSUUID ---------- deprecated 140 */
  444. #ifndef HAVE_BBMACROS
  445. /*
  446. * Block I/O parameterization. A basic block (BB) is the lowest size of
  447. * filesystem allocation, and must equal 512. Length units given to bio
  448. * routines are in BB's.
  449. */
  450. #define BBSHIFT 9
  451. #define BBSIZE (1<<BBSHIFT)
  452. #define BBMASK (BBSIZE-1)
  453. #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
  454. #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
  455. #define BBTOB(bbs) ((bbs) << BBSHIFT)
  456. #endif
  457. #endif /* __XFS_FS_H__ */