source: bootcd/isolinux/syslinux-6.03/extlinux/xfs_fs.h @ dd1be7c

Last change on this file since dd1be7c was e16e8f2, checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago

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1/*
2 * Taken from Linux kernel tree (linux/fs/xfs)
3 *
4 * Copyright (c) 1995-2005 Silicon Graphics, Inc.
5 * All Rights Reserved.
6 *
7 * Copyright (c) 2012 Paulo Alcantara <pcacjr@zytor.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public License
11 * as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it would be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write the Free Software Foundation,
20 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
21 */
22
23#ifndef XFS_FS_H_
24#define XFS_FS_H_
25
26/*
27 * SGI's XFS filesystem's major stuff (constants, structures)
28 */
29
30/*
31 * Direct I/O attribute record used with XFS_IOC_DIOINFO
32 * d_miniosz is the min xfer size, xfer size multiple and file seek offset
33 * alignment.
34 */
35struct dioattr {
36        uint32_t                d_mem;          /* data buffer memory alignment */
37        uint32_t                d_miniosz;      /* min xfer size                */
38        uint32_t                d_maxiosz;      /* max xfer size                */
39};
40
41/*
42 * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
43 */
44struct fsxattr {
45        uint32_t                fsx_xflags;     /* xflags field value (get/set) */
46        uint32_t                fsx_extsize;    /* extsize field value (get/set)*/
47        uint32_t                fsx_nextents;   /* nextents field value (get)   */
48        uint32_t                fsx_projid;     /* project identifier (get/set) */
49        unsigned char   fsx_pad[12];
50};
51
52/*
53 * Flags for the bs_xflags/fsx_xflags field
54 * There should be a one-to-one correspondence between these flags and the
55 * XFS_DIFLAG_s.
56 */
57#define XFS_XFLAG_REALTIME      0x00000001      /* data in realtime volume */
58#define XFS_XFLAG_PREALLOC      0x00000002      /* preallocated file extents */
59#define XFS_XFLAG_IMMUTABLE     0x00000008      /* file cannot be modified */
60#define XFS_XFLAG_APPEND        0x00000010      /* all writes append */
61#define XFS_XFLAG_SYNC          0x00000020      /* all writes synchronous */
62#define XFS_XFLAG_NOATIME       0x00000040      /* do not update access time */
63#define XFS_XFLAG_NODUMP        0x00000080      /* do not include in backups */
64#define XFS_XFLAG_RTINHERIT     0x00000100      /* create with rt bit set */
65#define XFS_XFLAG_PROJINHERIT   0x00000200      /* create with parents projid */
66#define XFS_XFLAG_NOSYMLINKS    0x00000400      /* disallow symlink creation */
67#define XFS_XFLAG_EXTSIZE       0x00000800      /* extent size allocator hint */
68#define XFS_XFLAG_EXTSZINHERIT  0x00001000      /* inherit inode extent size */
69#define XFS_XFLAG_NODEFRAG      0x00002000      /* do not defragment */
70#define XFS_XFLAG_FILESTREAM    0x00004000      /* use filestream allocator */
71#define XFS_XFLAG_HASATTR       0x80000000      /* no DIFLAG for this   */
72
73/*
74 * Structure for XFS_IOC_GETBMAP.
75 * On input, fill in bmv_offset and bmv_length of the first structure
76 * to indicate the area of interest in the file, and bmv_entries with
77 * the number of array elements given back.  The first structure is
78 * updated on return to give the offset and length for the next call.
79 */
80struct getbmap {
81        int64_t         bmv_offset;     /* file offset of segment in blocks */
82        int64_t         bmv_block;      /* starting block (64-bit daddr_t)  */
83        int64_t         bmv_length;     /* length of segment, blocks        */
84        int32_t         bmv_count;      /* # of entries in array incl. 1st  */
85        int32_t         bmv_entries;    /* # of entries filled in (output)  */
86};
87
88/*
89 *      Structure for XFS_IOC_GETBMAPX.  Fields bmv_offset through bmv_entries
90 *      are used exactly as in the getbmap structure.  The getbmapx structure
91 *      has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
92 *      is only used for the first structure.  It contains input flags
93 *      specifying XFS_IOC_GETBMAPX actions.  The bmv_oflags field is filled
94 *      in by the XFS_IOC_GETBMAPX command for each returned structure after
95 *      the first.
96 */
97struct getbmapx {
98        int64_t         bmv_offset;     /* file offset of segment in blocks */
99        int64_t         bmv_block;      /* starting block (64-bit daddr_t)  */
100        int64_t         bmv_length;     /* length of segment, blocks        */
101        int32_t         bmv_count;      /* # of entries in array incl. 1st  */
102        int32_t         bmv_entries;    /* # of entries filled in (output). */
103        int32_t         bmv_iflags;     /* input flags (1st structure)      */
104        int32_t         bmv_oflags;     /* output flags (after 1st structure)*/
105        int32_t         bmv_unused1;    /* future use                       */
106        int32_t         bmv_unused2;    /* future use                       */
107};
108
109/*      bmv_iflags values - set by XFS_IOC_GETBMAPX caller.     */
110#define BMV_IF_ATTRFORK         0x1     /* return attr fork rather than data */
111#define BMV_IF_NO_DMAPI_READ    0x2     /* Do not generate DMAPI read event  */
112#define BMV_IF_PREALLOC         0x4     /* rtn status BMV_OF_PREALLOC if req */
113#define BMV_IF_DELALLOC         0x8     /* rtn status BMV_OF_DELALLOC if req */
114#define BMV_IF_NO_HOLES         0x10    /* Do not return holes */
115#define BMV_IF_VALID    \
116        (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC|  \
117         BMV_IF_DELALLOC|BMV_IF_NO_HOLES)
118
119/*      bmv_oflags values - returned for each non-header segment */
120#define BMV_OF_PREALLOC         0x1     /* segment = unwritten pre-allocation */
121#define BMV_OF_DELALLOC         0x2     /* segment = delayed allocation */
122#define BMV_OF_LAST             0x4     /* segment is the last in the file */
123
124/*
125 * Structure for XFS_IOC_FSSETDM.
126 * For use by backup and restore programs to set the XFS on-disk inode
127 * fields di_dmevmask and di_dmstate.  These must be set to exactly and
128 * only values previously obtained via xfs_bulkstat!  (Specifically the
129 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
130 */
131struct fsdmidata {
132        uint32_t                fsd_dmevmask;   /* corresponds to di_dmevmask */
133        __u16           fsd_padding;
134        __u16           fsd_dmstate;    /* corresponds to di_dmstate  */
135};
136
137/*
138 * File segment locking set data type for 64 bit access.
139 * Also used for all the RESV/FREE interfaces.
140 */
141typedef struct xfs_flock64 {
142        __s16           l_type;
143        __s16           l_whence;
144        int64_t         l_start;
145        int64_t         l_len;          /* len == 0 means until end of file */
146        int32_t         l_sysid;
147        uint32_t                l_pid;
148        int32_t         l_pad[4];       /* reserve area                     */
149} xfs_flock64_t;
150
151/*
152 * Output for XFS_IOC_FSGEOMETRY_V1
153 */
154typedef struct xfs_fsop_geom_v1 {
155        uint32_t                blocksize;      /* filesystem (data) block size */
156        uint32_t                rtextsize;      /* realtime extent size         */
157        uint32_t                agblocks;       /* fsblocks in an AG            */
158        uint32_t                agcount;        /* number of allocation groups  */
159        uint32_t                logblocks;      /* fsblocks in the log          */
160        uint32_t                sectsize;       /* (data) sector size, bytes    */
161        uint32_t                inodesize;      /* inode size in bytes          */
162        uint32_t                imaxpct;        /* max allowed inode space(%)   */
163        uint64_t                datablocks;     /* fsblocks in data subvolume   */
164        uint64_t                rtblocks;       /* fsblocks in realtime subvol  */
165        uint64_t                rtextents;      /* rt extents in realtime subvol*/
166        uint64_t                logstart;       /* starting fsblock of the log  */
167        unsigned char   uuid[16];       /* unique id of the filesystem  */
168        uint32_t                sunit;          /* stripe unit, fsblocks        */
169        uint32_t                swidth;         /* stripe width, fsblocks       */
170        int32_t         version;        /* structure version            */
171        uint32_t                flags;          /* superblock version flags     */
172        uint32_t                logsectsize;    /* log sector size, bytes       */
173        uint32_t                rtsectsize;     /* realtime sector size, bytes  */
174        uint32_t                dirblocksize;   /* directory block size, bytes  */
175} xfs_fsop_geom_v1_t;
176
177/*
178 * Output for XFS_IOC_FSGEOMETRY
179 */
180typedef struct xfs_fsop_geom {
181        uint32_t                blocksize;      /* filesystem (data) block size */
182        uint32_t                rtextsize;      /* realtime extent size         */
183        uint32_t                agblocks;       /* fsblocks in an AG            */
184        uint32_t                agcount;        /* number of allocation groups  */
185        uint32_t                logblocks;      /* fsblocks in the log          */
186        uint32_t                sectsize;       /* (data) sector size, bytes    */
187        uint32_t                inodesize;      /* inode size in bytes          */
188        uint32_t                imaxpct;        /* max allowed inode space(%)   */
189        uint64_t                datablocks;     /* fsblocks in data subvolume   */
190        uint64_t                rtblocks;       /* fsblocks in realtime subvol  */
191        uint64_t                rtextents;      /* rt extents in realtime subvol*/
192        uint64_t                logstart;       /* starting fsblock of the log  */
193        unsigned char   uuid[16];       /* unique id of the filesystem  */
194        uint32_t                sunit;          /* stripe unit, fsblocks        */
195        uint32_t                swidth;         /* stripe width, fsblocks       */
196        int32_t         version;        /* structure version            */
197        uint32_t                flags;          /* superblock version flags     */
198        uint32_t                logsectsize;    /* log sector size, bytes       */
199        uint32_t                rtsectsize;     /* realtime sector size, bytes  */
200        uint32_t                dirblocksize;   /* directory block size, bytes  */
201        uint32_t                logsunit;       /* log stripe unit, bytes */
202} xfs_fsop_geom_t;
203
204/* Output for XFS_FS_COUNTS */
205typedef struct xfs_fsop_counts {
206        uint64_t        freedata;       /* free data section blocks */
207        uint64_t        freertx;        /* free rt extents */
208        uint64_t        freeino;        /* free inodes */
209        uint64_t        allocino;       /* total allocated inodes */
210} xfs_fsop_counts_t;
211
212/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
213typedef struct xfs_fsop_resblks {
214        uint64_t  resblks;
215        uint64_t  resblks_avail;
216} xfs_fsop_resblks_t;
217
218#define XFS_FSOP_GEOM_VERSION   0
219
220#define XFS_FSOP_GEOM_FLAGS_ATTR        0x0001  /* attributes in use    */
221#define XFS_FSOP_GEOM_FLAGS_NLINK       0x0002  /* 32-bit nlink values  */
222#define XFS_FSOP_GEOM_FLAGS_QUOTA       0x0004  /* quotas enabled       */
223#define XFS_FSOP_GEOM_FLAGS_IALIGN      0x0008  /* inode alignment      */
224#define XFS_FSOP_GEOM_FLAGS_DALIGN      0x0010  /* large data alignment */
225#define XFS_FSOP_GEOM_FLAGS_SHARED      0x0020  /* read-only shared     */
226#define XFS_FSOP_GEOM_FLAGS_EXTFLG      0x0040  /* special extent flag  */
227#define XFS_FSOP_GEOM_FLAGS_DIRV2       0x0080  /* directory version 2  */
228#define XFS_FSOP_GEOM_FLAGS_LOGV2       0x0100  /* log format version 2 */
229#define XFS_FSOP_GEOM_FLAGS_SECTOR      0x0200  /* sector sizes >1BB    */
230#define XFS_FSOP_GEOM_FLAGS_ATTR2       0x0400  /* inline attributes rework */
231#define XFS_FSOP_GEOM_FLAGS_DIRV2CI     0x1000  /* ASCII only CI names */
232#define XFS_FSOP_GEOM_FLAGS_LAZYSB      0x4000  /* lazy superblock counters */
233
234
235/*
236 * Minimum and maximum sizes need for growth checks
237 */
238#define XFS_MIN_AG_BLOCKS       64
239#define XFS_MIN_LOG_BLOCKS      512ULL
240#define XFS_MAX_LOG_BLOCKS      (1024 * 1024ULL)
241#define XFS_MIN_LOG_BYTES       (10 * 1024 * 1024ULL)
242
243/* keep the maximum size under 2^31 by a small amount */
244#define XFS_MAX_LOG_BYTES \
245        ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
246
247/* Used for sanity checks on superblock */
248#define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks)
249#define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) *      \
250                         (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
251
252/*
253 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
254 */
255typedef struct xfs_growfs_data {
256        uint64_t                newblocks;      /* new data subvol size, fsblocks */
257        uint32_t                imaxpct;        /* new inode space percentage limit */
258} xfs_growfs_data_t;
259
260typedef struct xfs_growfs_log {
261        uint32_t                newblocks;      /* new log size, fsblocks */
262        uint32_t                isint;          /* 1 if new log is internal */
263} xfs_growfs_log_t;
264
265typedef struct xfs_growfs_rt {
266        uint64_t                newblocks;      /* new realtime size, fsblocks */
267        uint32_t                extsize;        /* new realtime extent size, fsblocks */
268} xfs_growfs_rt_t;
269
270
271/*
272 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
273 */
274typedef struct xfs_bstime {
275        time_t          tv_sec;         /* seconds              */
276        int32_t         tv_nsec;        /* and nanoseconds      */
277} xfs_bstime_t;
278
279typedef struct xfs_bstat {
280        uint64_t                bs_ino;         /* inode number                 */
281        __u16           bs_mode;        /* type and mode                */
282        __u16           bs_nlink;       /* number of links              */
283        uint32_t                bs_uid;         /* user id                      */
284        uint32_t                bs_gid;         /* group id                     */
285        uint32_t                bs_rdev;        /* device value                 */
286        int32_t         bs_blksize;     /* block size                   */
287        int64_t         bs_size;        /* file size                    */
288        xfs_bstime_t    bs_atime;       /* access time                  */
289        xfs_bstime_t    bs_mtime;       /* modify time                  */
290        xfs_bstime_t    bs_ctime;       /* inode change time            */
291        int64_t         bs_blocks;      /* number of blocks             */
292        uint32_t                bs_xflags;      /* extended flags               */
293        int32_t         bs_extsize;     /* extent size                  */
294        int32_t         bs_extents;     /* number of extents            */
295        uint32_t                bs_gen;         /* generation count             */
296        __u16           bs_projid_lo;   /* lower part of project id     */
297#define bs_projid       bs_projid_lo    /* (previously just bs_projid)  */
298        __u16           bs_forkoff;     /* inode fork offset in bytes   */
299        __u16           bs_projid_hi;   /* higher part of project id    */
300        unsigned char   bs_pad[10];     /* pad space, unused            */
301        uint32_t                bs_dmevmask;    /* DMIG event mask              */
302        __u16           bs_dmstate;     /* DMIG state info              */
303        __u16           bs_aextents;    /* attribute number of extents  */
304} xfs_bstat_t;
305
306/*
307 * The user-level BulkStat Request interface structure.
308 */
309typedef struct xfs_fsop_bulkreq {
310        uint64_t                __user *lastip; /* last inode # pointer         */
311        int32_t         icount;         /* count of entries in buffer   */
312        void            __user *ubuffer;/* user buffer for inode desc.  */
313        int32_t         __user *ocount; /* output count pointer         */
314} xfs_fsop_bulkreq_t;
315
316
317/*
318 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
319 */
320typedef struct xfs_inogrp {
321        uint64_t                xi_startino;    /* starting inode number        */
322        int32_t         xi_alloccount;  /* # bits set in allocmask      */
323        uint64_t                xi_allocmask;   /* mask of allocated inodes     */
324} xfs_inogrp_t;
325
326
327/*
328 * Error injection.
329 */
330typedef struct xfs_error_injection {
331        int32_t         fd;
332        int32_t         errtag;
333} xfs_error_injection_t;
334
335
336/*
337 * The user-level Handle Request interface structure.
338 */
339typedef struct xfs_fsop_handlereq {
340        uint32_t                fd;             /* fd for FD_TO_HANDLE          */
341        void            __user *path;   /* user pathname                */
342        uint32_t                oflags;         /* open flags                   */
343        void            __user *ihandle;/* user supplied handle         */
344        uint32_t                ihandlen;       /* user supplied length         */
345        void            __user *ohandle;/* user buffer for handle       */
346        uint32_t                __user *ohandlen;/* user buffer length          */
347} xfs_fsop_handlereq_t;
348
349/*
350 * Compound structures for passing args through Handle Request interfaces
351 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
352 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
353 *           XFS_IOC_ATTRMULTI_BY_HANDLE
354 */
355
356typedef 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
361typedef struct xfs_attrlist_cursor {
362        uint32_t                opaque[4];
363} xfs_attrlist_cursor_t;
364
365typedef struct xfs_fsop_attrlist_handlereq {
366        struct xfs_fsop_handlereq       hreq; /* handle interface structure */
367        struct xfs_attrlist_cursor      pos; /* opaque cookie, list offset */
368        uint32_t                                flags;  /* which namespace to use */
369        uint32_t                                buflen; /* length of buffer supplied */
370        void                            __user *buffer; /* returned names */
371} xfs_fsop_attrlist_handlereq_t;
372
373typedef struct xfs_attr_multiop {
374        uint32_t                am_opcode;
375#define ATTR_OP_GET     1       /* return the indicated attr's value */
376#define ATTR_OP_SET     2       /* set/create the indicated attr/value pair */
377#define ATTR_OP_REMOVE  3       /* remove the indicated attr */
378        int32_t         am_error;
379        void            __user *am_attrname;
380        void            __user *am_attrvalue;
381        uint32_t                am_length;
382        uint32_t                am_flags;
383} xfs_attr_multiop_t;
384
385typedef struct xfs_fsop_attrmulti_handlereq {
386        struct xfs_fsop_handlereq       hreq; /* handle interface structure */
387        uint32_t                                opcount;/* count of following multiop */
388        struct xfs_attr_multiop         __user *ops; /* attr_multi data */
389} xfs_fsop_attrmulti_handlereq_t;
390
391/*
392 * per machine unique filesystem identifier types.
393 */
394typedef struct { uint32_t val[2]; } xfs_fsid_t; /* file system id type */
395
396typedef struct xfs_fid {
397        __u16   fid_len;                /* length of remainder  */
398        __u16   fid_pad;
399        uint32_t        fid_gen;                /* generation number    */
400        uint64_t        fid_ino;                /* 64 bits inode number */
401} xfs_fid_t;
402
403typedef struct xfs_handle {
404        union {
405                int64_t     align;      /* force alignment of ha_fid     */
406                xfs_fsid_t  _ha_fsid;   /* unique file system identifier */
407        } ha_u;
408        xfs_fid_t       ha_fid;         /* file system specific file ID  */
409} xfs_handle_t;
410#define ha_fsid ha_u._ha_fsid
411
412#define XFS_HSIZE(handle)       (((char *) &(handle).ha_fid.fid_pad      \
413                                 - (char *) &(handle))                    \
414                                 + (handle).ha_fid.fid_len)
415
416/*
417 * Flags for going down operation
418 */
419#define XFS_FSOP_GOING_FLAGS_DEFAULT            0x0     /* going down */
420#define XFS_FSOP_GOING_FLAGS_LOGFLUSH           0x1     /* flush log but not data */
421#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH         0x2     /* don't flush log nor data */
422
423/*
424 * ioctl commands that are used by Linux filesystems
425 */
426#define XFS_IOC_GETXFLAGS       FS_IOC_GETFLAGS
427#define XFS_IOC_SETXFLAGS       FS_IOC_SETFLAGS
428#define XFS_IOC_GETVERSION      FS_IOC_GETVERSION
429
430/*
431 * ioctl commands that replace IRIX fcntl()'s
432 * For 'documentation' purposed more than anything else,
433 * the "cmd #" field reflects the IRIX fcntl number.
434 */
435#define XFS_IOC_ALLOCSP         _IOW ('X', 10, struct xfs_flock64)
436#define XFS_IOC_FREESP          _IOW ('X', 11, struct xfs_flock64)
437#define XFS_IOC_DIOINFO         _IOR ('X', 30, struct dioattr)
438#define XFS_IOC_FSGETXATTR      _IOR ('X', 31, struct fsxattr)
439#define XFS_IOC_FSSETXATTR      _IOW ('X', 32, struct fsxattr)
440#define XFS_IOC_ALLOCSP64       _IOW ('X', 36, struct xfs_flock64)
441#define XFS_IOC_FREESP64        _IOW ('X', 37, struct xfs_flock64)
442#define XFS_IOC_GETBMAP         _IOWR('X', 38, struct getbmap)
443#define XFS_IOC_FSSETDM         _IOW ('X', 39, struct fsdmidata)
444#define XFS_IOC_RESVSP          _IOW ('X', 40, struct xfs_flock64)
445#define XFS_IOC_UNRESVSP        _IOW ('X', 41, struct xfs_flock64)
446#define XFS_IOC_RESVSP64        _IOW ('X', 42, struct xfs_flock64)
447#define XFS_IOC_UNRESVSP64      _IOW ('X', 43, struct xfs_flock64)
448#define XFS_IOC_GETBMAPA        _IOWR('X', 44, struct getbmap)
449#define XFS_IOC_FSGETXATTRA     _IOR ('X', 45, struct fsxattr)
450/*      XFS_IOC_SETBIOSIZE ---- deprecated 46      */
451/*      XFS_IOC_GETBIOSIZE ---- deprecated 47      */
452#define XFS_IOC_GETBMAPX        _IOWR('X', 56, struct getbmap)
453#define XFS_IOC_ZERO_RANGE      _IOW ('X', 57, struct xfs_flock64)
454
455/*
456 * ioctl commands that replace IRIX syssgi()'s
457 */
458#define XFS_IOC_FSGEOMETRY_V1        _IOR ('X', 100, struct xfs_fsop_geom_v1)
459#define XFS_IOC_FSBULKSTAT           _IOWR('X', 101, struct xfs_fsop_bulkreq)
460#define XFS_IOC_FSBULKSTAT_SINGLE    _IOWR('X', 102, struct xfs_fsop_bulkreq)
461#define XFS_IOC_FSINUMBERS           _IOWR('X', 103, struct xfs_fsop_bulkreq)
462#define XFS_IOC_PATH_TO_FSHANDLE     _IOWR('X', 104, struct xfs_fsop_handlereq)
463#define XFS_IOC_PATH_TO_HANDLE       _IOWR('X', 105, struct xfs_fsop_handlereq)
464#define XFS_IOC_FD_TO_HANDLE         _IOWR('X', 106, struct xfs_fsop_handlereq)
465#define XFS_IOC_OPEN_BY_HANDLE       _IOWR('X', 107, struct xfs_fsop_handlereq)
466#define XFS_IOC_READLINK_BY_HANDLE   _IOWR('X', 108, struct xfs_fsop_handlereq)
467#define XFS_IOC_SWAPEXT              _IOWR('X', 109, struct xfs_swapext)
468#define XFS_IOC_FSGROWFSDATA         _IOW ('X', 110, struct xfs_growfs_data)
469#define XFS_IOC_FSGROWFSLOG          _IOW ('X', 111, struct xfs_growfs_log)
470#define XFS_IOC_FSGROWFSRT           _IOW ('X', 112, struct xfs_growfs_rt)
471#define XFS_IOC_FSCOUNTS             _IOR ('X', 113, struct xfs_fsop_counts)
472#define XFS_IOC_SET_RESBLKS          _IOWR('X', 114, struct xfs_fsop_resblks)
473#define XFS_IOC_GET_RESBLKS          _IOR ('X', 115, struct xfs_fsop_resblks)
474#define XFS_IOC_ERROR_INJECTION      _IOW ('X', 116, struct xfs_error_injection)
475#define XFS_IOC_ERROR_CLEARALL       _IOW ('X', 117, struct xfs_error_injection)
476/*      XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118      */
477/*      XFS_IOC_FREEZE            -- FIFREEZE   119      */
478/*      XFS_IOC_THAW              -- FITHAW     120      */
479#define XFS_IOC_FSSETDM_BY_HANDLE    _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
480#define XFS_IOC_ATTRLIST_BY_HANDLE   _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
481#define XFS_IOC_ATTRMULTI_BY_HANDLE  _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
482#define XFS_IOC_FSGEOMETRY           _IOR ('X', 124, struct xfs_fsop_geom)
483#define XFS_IOC_GOINGDOWN            _IOR ('X', 125, __uint32_t)
484/*      XFS_IOC_GETFSUUID ---------- deprecated 140      */
485
486
487#ifndef HAVE_BBMACROS
488/*
489 * Block I/O parameterization.  A basic block (BB) is the lowest size of
490 * filesystem allocation, and must equal 512.  Length units given to bio
491 * routines are in BB's.
492 */
493#define BBSHIFT         9
494#define BBSIZE          (1<<BBSHIFT)
495#define BBMASK          (BBSIZE-1)
496#define BTOBB(bytes)    (((uint64_t)(bytes) + BBSIZE - 1) >> BBSHIFT)
497#define BTOBBT(bytes)   ((uint64_t)(bytes) >> BBSHIFT)
498#define BBTOB(bbs)      ((bbs) << BBSHIFT)
499#endif
500
501#endif  /* XFS_FS_H_ */
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