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sync kernel changes (32 bit inodes) with userspace code.
[thirdparty/xfsprogs-dev.git] / libxfs / xfs.h
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2bd0ea18
NS		 1/*
2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 *
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
25 *
26 * http://www.sgi.com
27 *
28 * For further information regarding this notice, see:
29 *
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31 */
32
33/*
34 * This header is effectively a "namespace multiplexor" for the
35 * user level XFS code. It provides all of the necessary stuff
36 * such that we can build some parts of the XFS kernel code in
37 * user space in a controlled fashion, and translates the names
38 * used in the kernel into the names which libxfs is going to
39 * make available to user tools.
40 *
41 * It should only ever be #include'd by XFS "kernel" code being
42 * compiled in user space.
43 *
44 * Our goals here are to...
45 * o "share" large amounts of complex code between user and
46 * kernel space;
47 * o shield the user tools from changes in the bleeding
48 * edge kernel code, merging source changes when
49 * convenient and not immediately (no symlinks);
50 * o i.e. be able to merge changes to the kernel source back
51 * into the affected user tools in a controlled fashion;
52 * o provide a _minimalist_ life-support system for kernel
53 * code in user land, not the "everything + the kitchen
54 * sink" model which libsim had mutated into;
55 * o allow the kernel code to be completely free of code
56 * specifically there to support the user level build.
57 */
58
59#include <libxfs.h>
60#include <string.h>
61#include <errno.h>
62#include <sys/stat.h>
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NS		 63
64/*
65 * Map XFS kernel routine names to libxfs.h names
66 */
67
68#define xfs_xlatesb libxfs_xlate_sb
69#define xfs_xlate_dinode_core libxfs_xlate_dinode_core
70#define xfs_bmbt_get_all libxfs_bmbt_get_all
71#define xfs_bmbt_get_blockcount libxfs_bmbt_get_blockcount
72#define xfs_bmbt_get_startoff libxfs_bmbt_get_startoff
73#define xfs_da_hashname libxfs_da_hashname
74#define xfs_da_log2_roundup libxfs_da_log2_roundup
75#define xfs_highbit32 libxfs_highbit32
76#define xfs_highbit64 libxfs_highbit64
77#define xfs_attr_leaf_newentsize libxfs_attr_leaf_newentsize
78#define xfs_alloc_compute_maxlevels libxfs_alloc_compute_maxlevels
79#define xfs_bmap_compute_maxlevels libxfs_bmap_compute_maxlevels
80#define xfs_ialloc_compute_maxlevels libxfs_ialloc_compute_maxlevels
81
82#define xfs_dir_init libxfs_dir_init
83#define xfs_dir2_init libxfs_dir2_init
84#define xfs_dir_mount libxfs_dir_mount
85#define xfs_dir2_mount libxfs_dir2_mount
86#define xfs_dir_createname libxfs_dir_createname
87#define xfs_dir2_createname libxfs_dir2_createname
88#define xfs_dir_lookup libxfs_dir_lookup
89#define xfs_dir2_lookup libxfs_dir2_lookup
90#define xfs_dir_replace libxfs_dir_replace
91#define xfs_dir2_replace libxfs_dir2_replace
92#define xfs_dir_removename libxfs_dir_removename
93#define xfs_dir2_removename libxfs_dir2_removename
94#define xfs_dir_bogus_removename libxfs_dir_bogus_removename
95#define xfs_dir2_bogus_removename libxfs_dir2_bogus_removename
96
97#define xfs_mount_common libxfs_mount_common
98#define xfs_rtmount_init libxfs_rtmount_init
99#define xfs_alloc_fix_freelist libxfs_alloc_fix_freelist
100#define xfs_iread libxfs_iread
101#define xfs_ialloc libxfs_ialloc
102#define xfs_idata_realloc libxfs_idata_realloc
103#define xfs_itobp libxfs_itobp
104#define xfs_ichgtime libxfs_ichgtime
105#define xfs_bmapi libxfs_bmapi
106#define xfs_bmap_finish libxfs_bmap_finish
107#define xfs_bmap_del_free libxfs_bmap_del_free
108#define xfs_bunmapi libxfs_bunmapi
109#define xfs_free_extent libxfs_free_extent
110#define xfs_rtfree_extent libxfs_rtfree_extent
111#define xfs_mod_sb libxfs_mod_sb
112#define xfs_mod_incore_sb libxfs_mod_incore_sb
113
114#define xfs_trans_init libxfs_trans_init
115#define xfs_trans_dup libxfs_trans_dup
116#define xfs_trans_iget libxfs_trans_iget
117#define xfs_trans_ijoin libxfs_trans_ijoin
118#define xfs_trans_ihold libxfs_trans_ihold
119#define xfs_trans_bjoin libxfs_trans_bjoin
120#define xfs_trans_bhold libxfs_trans_bhold
121#define xfs_trans_alloc libxfs_trans_alloc
122#define xfs_trans_commit libxfs_trans_commit
123#define xfs_trans_mod_sb libxfs_trans_mod_sb
124#define xfs_trans_reserve libxfs_trans_reserve
125#define xfs_trans_get_buf libxfs_trans_get_buf
126#define xfs_trans_log_buf libxfs_trans_log_buf
127#define xfs_trans_read_buf libxfs_trans_read_buf
128#define xfs_trans_log_inode libxfs_trans_log_inode
129#define xfs_trans_inode_alloc_buf libxfs_trans_inode_alloc_buf
130#define xfs_trans_brelse libxfs_trans_brelse
131#define xfs_trans_binval libxfs_trans_binval
132
133#define xfs_da_shrink_inode libxfs_da_shrink_inode
134#define xfs_da_grow_inode libxfs_da_grow_inode
135#define xfs_da_brelse libxfs_da_brelse
136#define xfs_da_read_buf libxfs_da_read_buf
137#define xfs_da_get_buf libxfs_da_get_buf
138#define xfs_da_log_buf libxfs_da_log_buf
139#define xfs_da_do_buf libxfs_da_do_buf
140#define xfs_dir2_shrink_inode libxfs_dir2_shrink_inode
141#define xfs_dir2_grow_inode libxfs_dir2_grow_inode
142#define xfs_dir2_isleaf libxfs_dir2_isleaf
143#define xfs_dir2_isblock libxfs_dir2_isblock
144#define xfs_dir2_data_use_free libxfs_dir2_data_use_free
145#define xfs_dir2_data_make_free libxfs_dir2_data_make_free
146#define xfs_dir2_data_log_entry libxfs_dir2_data_log_entry
147#define xfs_dir2_data_log_header libxfs_dir2_data_log_header
148#define xfs_dir2_data_freescan libxfs_dir2_data_freescan
149#define xfs_dir2_free_log_bests libxfs_dir2_free_log_bests
150
151
152/*
153 * Infrastructure to support building kernel XFS code in user space
154 */
155
156/* buffer management */
157#define XFS_BUF_LOCK 0
158#define XFS_BUF_MAPPED 0
159#define XFS_BUF_TRYLOCK 0
160#define XFS_BUF_ISDONE(bp) 0
161#define XFS_BUF_GETERROR(bp) 0
162#define XFS_BUF_DONE(bp) ((void) 0)
163#define XFS_BUF_SET_REF(a,b) ((void) 0)
164#define XFS_BUF_SET_VTYPE(a,b) ((void) 0)
165#define XFS_BUF_SET_VTYPE_REF(a,b,c) ((void) 0)
166#define XFS_BUF_SET_BDSTRAT_FUNC(a,b) ((void) 0)
167#define xfs_baread(a,b,c) ((void) 0) /* no readahead */
168#define xfs_buftrace(x,y) ((void) 0) /* debug only */
169#define xfs_buf_item_log_debug(bip,a,b) ((void) 0) /* debug only */
170#define xfs_validate_extents(e,n,f) ((void) 0) /* debug only */
171#define xfs_buf_relse(bp) libxfs_putbuf(bp)
6d1d29a7
NS		 172#define xfs_read_buf(mp,devp,blkno,len,f,bpp) \
173 ( *(bpp) = libxfs_readbuf( *(dev_t*)devp, (blkno), (len), 1), 0 )
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NS		 174
175
176/* transaction management */
177#define xfs_trans_set_sync(tp) ((void) 0)
178#define xfs_trans_agblocks_delta(tp, d) ((void) 0) /* debug only */
179#define xfs_trans_agflist_delta(tp, d) ((void) 0) /* debug only */
180#define xfs_trans_agbtree_delta(tp, d) ((void) 0) /* debug only */
181#define xfs_trans_mod_dquot_byino(tp,ip,f,d) ((void) 0)
182#define xfs_trans_get_block_res(tp) 1
183#define xfs_trans_reserve_blkquota(tp,i,n) 0
184#define xfs_trans_unreserve_blkquota(tp,i,n) ((void) 0)
185#define xfs_trans_unreserve_rtblkquota(tp,i,n) ((void) 0)
186
187
188/* memory management */
9de59d6e
SL		 189#define KM_SLEEP 1
190#define KM_SLEEP_IO 2
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NS		 191#define kmem_zone_init(a, b) libxfs_zone_init(a, b)
192#define kmem_zone_alloc(z, f) libxfs_zone_zalloc(z)
193#define kmem_zone_zalloc(z, f) libxfs_zone_zalloc(z)
194#define kmem_zone_free(z, p) libxfs_zone_free(z, p)
195#define kmem_realloc(p,sz,u,f) libxfs_realloc(p,sz)
196#define kmem_alloc(size, f) libxfs_malloc(size)
197#define kmem_free(p, size) libxfs_free(p)
198
199/* directory management */
200#define xfs_dir2_trace_args(where, args) ((void) 0)
201#define xfs_dir2_trace_args_b(where, args, bp) ((void) 0)
202#define xfs_dir2_trace_args_bb(where, args, lbp, dbp) ((void) 0)
203#define xfs_dir2_trace_args_bibii(where, args, bs, ss, bd, sd, c) ((void) 0)
204#define xfs_dir2_trace_args_db(where, args, db, bp) ((void) 0)
205#define xfs_dir2_trace_args_i(where, args, i) ((void) 0)
206#define xfs_dir2_trace_args_s(where, args, s) ((void) 0)
207#define xfs_dir2_trace_args_sb(where, args, s, bp) ((void) 0)
208#define xfs_dir_shortform_validate_ondisk(a,b) ((void) 0)
209
210
211/* block management */
212#define xfs_bmap_check_extents(ip,w) ((void) 0)
213#define xfs_bmap_trace_delete(f,d,ip,i,c,w) ((void) 0)
214#define xfs_bmap_trace_exlist(f,ip,i,w) ((void) 0)
215#define xfs_bmap_trace_insert(f,d,ip,i,c,r1,r2,w) ((void) 0)
216#define xfs_bmap_trace_post_update(f,d,ip,i,w) ((void) 0)
217#define xfs_bmap_trace_pre_update(f,d,ip,i,w) ((void) 0)
218#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) ((void) 0)
219#define xfs_bunmap_trace(ip, bno, len, flags, ra) ((void) 0)
220#define XFS_BMBT_TRACE_ARGBI(c,b,i) ((void) 0)
221#define XFS_BMBT_TRACE_ARGBII(c,b,i,j) ((void) 0)
222#define XFS_BMBT_TRACE_ARGFFFI(c,o,b,i,j) ((void) 0)
223#define XFS_BMBT_TRACE_ARGI(c,i) ((void) 0)
224#define XFS_BMBT_TRACE_ARGIFK(c,i,f,k) ((void) 0)
225#define XFS_BMBT_TRACE_ARGIFR(c,i,f,r) ((void) 0)
226#define XFS_BMBT_TRACE_ARGIK(c,i,k) ((void) 0)
227#define XFS_BMBT_TRACE_CURSOR(c,s) ((void) 0)
228
229
230/* anything else */
188239e6 231typedef __uint32_t uint_t;
2bd0ea18
NS		 232typedef __uint32_t inst_t; /* an instruction */
233typedef enum { B_FALSE, B_TRUE } boolean_t;
234typedef struct { dev_t dev; } buftarg_t;
235#define STATIC
fc49813f 236#define ATTR_ROOT 1 /* use attrs in root namespace */
afe9b7a8
MN		 237#define ENOATTR ENODATA /* Attribute not found */
238#define EFSCORRUPTED 990 /* Filesystem is corrupted */
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NS		 239#define ktrace_t void
240#define m_ddev_targp m_dev
6d1d29a7 241#define m_rtdev_targp(m)(&(m)->m_rtdev)
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NS		 242#define KERN_WARNING
243#define XFS_ERROR(e) (e)
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NS		 244#define XFS_TEST_ERROR(expr,a,b,c) ( expr )
245#define TRACE_FREE(s,a,b,x,f) ((void) 0)
246#define TRACE_ALLOC(s,a) ((void) 0)
247#define TRACE_MODAGF(a,b,c) ((void) 0)
248#define XFS_FORCED_SHUTDOWN(mp) 0
34317449
NS		 249#define XFS_MOUNT_WSYNC 0 /* ignored in userspace */
250#define XFS_MOUNT_NOALIGN 0 /* ignored in userspace */
251#define XFS_MOUNT_32BITINODES 0x1 /* enforce in userspace */
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NS		 252#define XFS_ILOCK_EXCL 0
253#define mrlock(a,b,c) ((void) 0)
254#define mraccunlock(a) ((void) 0)
255#define mrunlock(a) ((void) 0)
256#define mraccess(a) ((void) 0)
257#define ismrlocked(a,b) 1
258#define ovbcopy(from,to,count) memmove(to,from,count)
259#define __return_address __builtin_return_address(0)
260#define xfs_btree_reada_bufl(m,fsb,c) ((void) 0)
261#define xfs_btree_reada_bufs(m,fsb,c,x) ((void) 0)
262#undef XFS_DIR_SHORTFORM_VALIDATE_ONDISK
263#define XFS_DIR_SHORTFORM_VALIDATE_ONDISK(mp,dip) 0
264
5b64e00a
NS		 265#if (__GNUC__ < 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ <= 95))
266# define xfs_fs_cmn_err(a,b,msg,args...)( fprintf(stderr, msg, ## args) )
267# define printk(msg,args...) ( fprintf(stderr, msg, ## args) )
268#else
269# define xfs_fs_cmn_err(a,b,...) ( fprintf(stderr, __VA_ARGS__) )
270# define printk(...) ( fprintf(stderr, __VA_ARGS__) )
271#endif
272
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NS		 273#define do_mod(a, b) ((a) % (b))
274#define do_div(n,base) ({ \
275 int __res; \
276 __res = ((unsigned long) n) % (unsigned) base; \
277 n = ((unsigned long) n) / (unsigned) base; \
278 __res; })
279
280#include <asm/page.h>
281#define NBPP PAGE_SIZE
282
283static inline int atomicIncWithWrap(int *a, int b)
284{
285 int r = *a;
286 (*a)++;
287 if (*a == b)
288 *a = 0;
289 return r;
290}
291
292
293/*
294 * Prototypes needed for a clean build
295 */
296
297/* xfs_alloc.c */
298int xfs_alloc_get_freelist (xfs_trans_t *, xfs_buf_t *, xfs_agblock_t *);
299void xfs_alloc_log_agf (xfs_trans_t *, xfs_buf_t *, int);
300int xfs_alloc_put_freelist (xfs_trans_t *, xfs_buf_t *, xfs_buf_t *,
301 xfs_agblock_t);
302int xfs_alloc_read_agf (xfs_mount_t *, xfs_trans_t *, xfs_agnumber_t,
303 int, xfs_buf_t **);
304int xfs_alloc_vextent (xfs_alloc_arg_t *);
305int xfs_alloc_pagf_init (xfs_mount_t *, xfs_trans_t *, xfs_agnumber_t, int);
306int xfs_alloc_ag_vextent_size (xfs_alloc_arg_t *);
307int xfs_alloc_ag_vextent_near (xfs_alloc_arg_t *);
308int xfs_alloc_ag_vextent_exact (xfs_alloc_arg_t *);
309int xfs_alloc_ag_vextent_small (xfs_alloc_arg_t *, xfs_btree_cur_t *,
310 xfs_agblock_t *, xfs_extlen_t *, int *);
311
312/* xfs_ialloc.c */
313int xfs_dialloc (xfs_trans_t *, xfs_ino_t, mode_t, int, xfs_buf_t **,
314 boolean_t *, xfs_ino_t *);
315void xfs_ialloc_log_agi (xfs_trans_t *, xfs_buf_t *, int);
316int xfs_ialloc_read_agi (xfs_mount_t *, xfs_trans_t *, xfs_agnumber_t,
317 xfs_buf_t **);
318int xfs_dilocate (xfs_mount_t *, xfs_trans_t *, xfs_ino_t, xfs_fsblock_t *,
319 int *, int *, uint);
320
321/* xfs_rtalloc.c */
322int xfs_rtfree_extent (xfs_trans_t *, xfs_rtblock_t, xfs_extlen_t);
323int xfs_rtmodify_range (xfs_mount_t *, xfs_trans_t *, xfs_rtblock_t,
324 xfs_extlen_t, int);
325int xfs_rtmodify_summary (xfs_mount_t *, xfs_trans_t *, int,
326 xfs_rtblock_t, int, xfs_buf_t **, xfs_fsblock_t *);
327
328/* xfs_btree.c */
329extern xfs_zone_t *xfs_btree_cur_zone;
330void xfs_btree_check_key (xfs_btnum_t, void *, void *);
331void xfs_btree_check_rec (xfs_btnum_t, void *, void *);
332int xfs_btree_check_lblock (xfs_btree_cur_t *, xfs_btree_lblock_t *,
333 int, xfs_buf_t *);
334int xfs_btree_check_sblock (xfs_btree_cur_t *, xfs_btree_sblock_t *,
335 int, xfs_buf_t *);
336int xfs_btree_check_sptr (xfs_btree_cur_t *, xfs_agblock_t, int);
337int xfs_btree_check_lptr (xfs_btree_cur_t *, xfs_dfsbno_t, int);
338void xfs_btree_del_cursor (xfs_btree_cur_t *, int);
339int xfs_btree_dup_cursor (xfs_btree_cur_t *, xfs_btree_cur_t **);
340int xfs_btree_firstrec (xfs_btree_cur_t *, int);
341xfs_btree_block_t *xfs_btree_get_block (xfs_btree_cur_t *, int, xfs_buf_t **);
342xfs_buf_t *xfs_btree_get_bufs (xfs_mount_t *, xfs_trans_t *, xfs_agnumber_t,
343 xfs_agblock_t, uint);
344xfs_buf_t *xfs_btree_get_bufl (xfs_mount_t *, xfs_trans_t *tp,
345 xfs_fsblock_t, uint);
346xfs_btree_cur_t *xfs_btree_init_cursor (xfs_mount_t *, xfs_trans_t *,
347 xfs_buf_t *, xfs_agnumber_t, xfs_btnum_t,
348 xfs_inode_t *, int);
349int xfs_btree_islastblock (xfs_btree_cur_t *, int);
350int xfs_btree_lastrec (xfs_btree_cur_t *, int);
351void xfs_btree_offsets (__int64_t, const short *, int, int *, int *);
2bd0ea18
NS		 352void xfs_btree_setbuf (xfs_btree_cur_t *, int, xfs_buf_t *);
353int xfs_btree_read_bufs (xfs_mount_t *, xfs_trans_t *, xfs_agnumber_t,
354 xfs_agblock_t, uint, xfs_buf_t **, int);
355int xfs_btree_read_bufl (xfs_mount_t *, xfs_trans_t *, xfs_fsblock_t,
356 uint, xfs_buf_t **, int);
60ca9704
NS		 357int xfs_btree_readahead_core (xfs_btree_cur_t *, int, int);
358static inline int xfs_btree_readahead (xfs_btree_cur_t *cur, int lev, int lr)
359{
360 if ((cur->bc_ra[lev] | lr) == cur->bc_ra[lev])
361 return 0;
362 return xfs_btree_readahead_core(cur, lev, lr);
363}
364
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NS		 365
366/* xfs_inode.c */
367int xfs_ialloc (xfs_trans_t *, xfs_inode_t *, mode_t, nlink_t, dev_t, cred_t *,
368 xfs_prid_t, int, xfs_buf_t **, boolean_t *, xfs_inode_t **);
369int xfs_iread_extents (xfs_trans_t *, xfs_inode_t *, int);
370int xfs_imap (xfs_mount_t *, xfs_trans_t *, xfs_ino_t, xfs_imap_t *, uint);
371int xfs_iextents_copy (xfs_inode_t *, xfs_bmbt_rec_32_t *, int);
372int xfs_iflush_int (xfs_inode_t *, xfs_buf_t *);
373int xfs_iflush_fork (xfs_inode_t *, xfs_dinode_t *, xfs_inode_log_item_t *,
374 int, xfs_buf_t *);
9de59d6e
SL		 375int xfs_iformat_local (xfs_inode_t *, xfs_dinode_t *, int, int, int);
376int xfs_iformat_extents (xfs_inode_t *, xfs_dinode_t *, int, int);
377int xfs_iformat_btree (xfs_inode_t *, xfs_dinode_t *, int, int);
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NS		 378void xfs_iroot_realloc (xfs_inode_t *, int, int);
379void xfs_idata_realloc (xfs_inode_t *, int, int);
380void xfs_iext_realloc (xfs_inode_t *, int, int);
381void xfs_idestroy_fork (xfs_inode_t *, int);
382uint xfs_iroundup (uint);
383
384/* xfs_bmap.c */
385xfs_bmbt_rec_t *xfs_bmap_search_extents (xfs_inode_t *ip,
386 xfs_fileoff_t, int, int *, xfs_extnum_t *,
387 xfs_bmbt_irec_t *, xfs_bmbt_irec_t *);
388int xfs_bmap_read_extents (xfs_trans_t *, xfs_inode_t *, int);
389void xfs_bmap_add_free (xfs_fsblock_t, xfs_filblks_t, xfs_bmap_free_t *,
390 xfs_mount_t *);
391int xfs_bmap_first_unused (xfs_trans_t *, xfs_inode_t *, xfs_extlen_t,
392 xfs_fileoff_t *, int);
393int xfs_bmap_last_offset (xfs_trans_t *, xfs_inode_t *, xfs_fileoff_t *, int);
394int xfs_bmap_last_before (xfs_trans_t *, xfs_inode_t *, xfs_fileoff_t *, int);
395int xfs_bmap_one_block (xfs_inode_t *, int);
396int xfs_bmapi_single (xfs_trans_t *, xfs_inode_t *, int, xfs_fsblock_t *,
397 xfs_fileoff_t);
398int xfs_bmapi (xfs_trans_t *, xfs_inode_t *, xfs_fileoff_t,
399 xfs_filblks_t, int, xfs_fsblock_t *, xfs_extlen_t,
400 xfs_bmbt_irec_t *, int *, xfs_bmap_free_t *);
401int xfs_bunmapi (xfs_trans_t *, xfs_inode_t *, xfs_fileoff_t,
402 xfs_filblks_t, int, xfs_extnum_t, xfs_fsblock_t *,
403 xfs_bmap_free_t *, int *);
404int xfs_bmap_add_extent_hole_delay (xfs_inode_t *ip, xfs_extnum_t,
405 xfs_btree_cur_t *, xfs_bmbt_irec_t *, int *, int);
406int xfs_bmap_add_extent_hole_real (xfs_inode_t *, xfs_extnum_t,
407 xfs_btree_cur_t *, xfs_bmbt_irec_t *, int *, int);
408int xfs_bmap_add_extent_unwritten_real (xfs_inode_t *, xfs_extnum_t,
409 xfs_btree_cur_t **, xfs_bmbt_irec_t *, int *);
410int xfs_bmap_add_extent_delay_real (xfs_inode_t *, xfs_extnum_t,
411 xfs_btree_cur_t **, xfs_bmbt_irec_t *, xfs_filblks_t *,
412 xfs_fsblock_t *, xfs_bmap_free_t *, int *, int);
413int xfs_bmap_extents_to_btree (xfs_trans_t *, xfs_inode_t *, xfs_fsblock_t *,
414 xfs_bmap_free_t *, xfs_btree_cur_t **, int, int *, int);
415void xfs_bmap_delete_exlist (xfs_inode_t *, xfs_extnum_t, xfs_extnum_t, int);
416xfs_filblks_t xfs_bmap_worst_indlen (xfs_inode_t *, xfs_filblks_t);
417int xfs_bmap_isaeof (xfs_inode_t *, xfs_fileoff_t, int, int *);
418void xfs_bmap_insert_exlist (xfs_inode_t *, xfs_extnum_t, xfs_extnum_t,
419 xfs_bmbt_irec_t *, int);
420
421/* xfs_bmap_btree.c */
422int xfs_check_nostate_extents (xfs_bmbt_rec_t *, xfs_extnum_t);
423void xfs_bmbt_log_ptrs (xfs_btree_cur_t *, xfs_buf_t *, int, int);
424void xfs_bmbt_log_keys (xfs_btree_cur_t *, xfs_buf_t *, int, int);
425int xfs_bmbt_killroot (xfs_btree_cur_t *, int);
426int xfs_bmbt_updkey (xfs_btree_cur_t *, xfs_bmbt_key_t *, int);
427int xfs_bmbt_lshift (xfs_btree_cur_t *, int, int *);
428int xfs_bmbt_rshift (xfs_btree_cur_t *, int, int *);
429int xfs_bmbt_split (xfs_btree_cur_t *, int, xfs_fsblock_t *,
430 xfs_bmbt_key_t *, xfs_btree_cur_t **, int *);
431
432/* xfs_ialloc_btree.c */
433int xfs_inobt_newroot (xfs_btree_cur_t *, int *);
434int xfs_inobt_rshift (xfs_btree_cur_t *, int, int *);
435int xfs_inobt_lshift (xfs_btree_cur_t *, int, int *);
436int xfs_inobt_split (xfs_btree_cur_t *, int, xfs_agblock_t *,
437 xfs_inobt_key_t *, xfs_btree_cur_t **, int *);
438void xfs_inobt_log_keys (xfs_btree_cur_t *, xfs_buf_t *, int, int);
439void xfs_inobt_log_ptrs (xfs_btree_cur_t *, xfs_buf_t *, int, int);
440void xfs_inobt_log_recs (xfs_btree_cur_t *, xfs_buf_t *, int, int);
441void xfs_inobt_log_block (xfs_trans_t *, xfs_buf_t *, int);
442int xfs_inobt_updkey (xfs_btree_cur_t *, xfs_inobt_key_t *, int);
443
444/* xfs_alloc_btree.c */
445void xfs_alloc_log_ptrs (xfs_btree_cur_t *, xfs_buf_t *, int, int);
446void xfs_alloc_log_keys (xfs_btree_cur_t *, xfs_buf_t *, int, int);
447void xfs_alloc_log_recs (xfs_btree_cur_t *, xfs_buf_t *, int, int);
448void xfs_alloc_log_block (xfs_trans_t *, xfs_buf_t *, int);
449int xfs_alloc_updkey (xfs_btree_cur_t *, xfs_alloc_key_t *, int);
450int xfs_alloc_lshift (xfs_btree_cur_t *, int, int *);
451int xfs_alloc_rshift (xfs_btree_cur_t *, int, int *);
452int xfs_alloc_newroot (xfs_btree_cur_t *, int *);
453int xfs_alloc_split (xfs_btree_cur_t *, int, xfs_agblock_t *,
454 xfs_alloc_key_t *, xfs_btree_cur_t **, int *);
455
456/* xfs_da_btree.c */
76c410ff 457xfs_dabuf_t *xfs_da_buf_make (int, xfs_buf_t **, inst_t *, int);
2bd0ea18
NS		 458int xfs_da_root_join (xfs_da_state_t *, xfs_da_state_blk_t *);
459int xfs_da_root_split (xfs_da_state_t *, xfs_da_state_blk_t *,
460 xfs_da_state_blk_t *);
461void xfs_da_node_add (xfs_da_state_t *, xfs_da_state_blk_t *,
462 xfs_da_state_blk_t *);
463int xfs_da_node_split (xfs_da_state_t *, xfs_da_state_blk_t *,
464 xfs_da_state_blk_t *, xfs_da_state_blk_t *, int, int *);
465void xfs_da_node_rebalance (xfs_da_state_t *, xfs_da_state_blk_t *,
466 xfs_da_state_blk_t *);
467void xfs_da_node_remove (xfs_da_state_t *, xfs_da_state_blk_t *);
468void xfs_da_node_unbalance (xfs_da_state_t *, xfs_da_state_blk_t *,
469 xfs_da_state_blk_t *);
470int xfs_da_node_order (xfs_dabuf_t *, xfs_dabuf_t *);
471int xfs_da_node_toosmall (xfs_da_state_t *, int *);
472uint xfs_da_node_lasthash (xfs_dabuf_t *, int *);
473int xfs_da_do_buf (xfs_trans_t *, xfs_inode_t *, xfs_dablk_t, xfs_daddr_t *,
474 xfs_dabuf_t **, int, int, inst_t *);
475
476/* xfs_dir.c */
477int xfs_dir_node_addname (xfs_da_args_t *);
478int xfs_dir_leaf_lookup (xfs_da_args_t *);
479int xfs_dir_node_lookup (xfs_da_args_t *);
480int xfs_dir_leaf_replace (xfs_da_args_t *);
481int xfs_dir_node_replace (xfs_da_args_t *);
482int xfs_dir_node_removename (xfs_da_args_t *);
483int xfs_dir_leaf_removename (xfs_da_args_t *, int *, int *);
484
485/* xfs_dir_leaf.c */
486void xfs_dir_leaf_rebalance (xfs_da_state_t *, xfs_da_state_blk_t *,
487 xfs_da_state_blk_t *);
488void xfs_dir_leaf_add_work (xfs_dabuf_t *, xfs_da_args_t *, int, int);
489int xfs_dir_leaf_compact (xfs_trans_t *, xfs_dabuf_t *, int, int);
490int xfs_dir_leaf_figure_balance (xfs_da_state_t *, xfs_da_state_blk_t *,
491 xfs_da_state_blk_t *, int *, int *);
492void xfs_dir_leaf_moveents (xfs_dir_leafblock_t *, int,
493 xfs_dir_leafblock_t *, int, int, xfs_mount_t *);
494
495/* xfs_dir2_leaf.c */
496void xfs_dir2_leaf_check (xfs_inode_t *, xfs_dabuf_t *);
497int xfs_dir2_leaf_lookup_int (xfs_da_args_t *, xfs_dabuf_t **,
498 int *, xfs_dabuf_t **);
499
500/* xfs_dir2_block.c */
501void xfs_dir2_block_log_tail (xfs_trans_t *, xfs_dabuf_t *);
502void xfs_dir2_block_log_leaf (xfs_trans_t *, xfs_dabuf_t *, int, int);
503int xfs_dir2_block_lookup_int (xfs_da_args_t *, xfs_dabuf_t **, int *);
504
505/* xfs_dir2_node.c */
506void xfs_dir2_leafn_check (xfs_inode_t *, xfs_dabuf_t *);
507int xfs_dir2_leafn_remove (xfs_da_args_t *, xfs_dabuf_t *, int,
508 xfs_da_state_blk_t *, int *);
509int xfs_dir2_node_addname_int (xfs_da_args_t *, xfs_da_state_blk_t *);
510
511/* xfs_dir2_sf.c */
512void xfs_dir2_sf_check (xfs_da_args_t *);
513int xfs_dir2_sf_addname_pick (xfs_da_args_t *, int,
514 xfs_dir2_sf_entry_t **, xfs_dir2_data_aoff_t *);
515void xfs_dir2_sf_addname_easy (xfs_da_args_t *, xfs_dir2_sf_entry_t *,
516 xfs_dir2_data_aoff_t, int);
517void xfs_dir2_sf_addname_hard (xfs_da_args_t *, int, int);
518void xfs_dir2_sf_toino8 (xfs_da_args_t *);
519void xfs_dir2_sf_toino4 (xfs_da_args_t *);
520
521/* xfs_attr_leaf.c */
522void xfs_attr_leaf_rebalance (xfs_da_state_t *, xfs_da_state_blk_t *,
523 xfs_da_state_blk_t *);
524int xfs_attr_leaf_add_work (xfs_dabuf_t *, xfs_da_args_t *, int);
525void xfs_attr_leaf_compact (xfs_trans_t *, xfs_dabuf_t *);
526void xfs_attr_leaf_moveents (xfs_attr_leafblock_t *, int,
527 xfs_attr_leafblock_t *, int, int, xfs_mount_t *);
528int xfs_attr_leaf_figure_balance (xfs_da_state_t *, xfs_da_state_blk_t *,
529 xfs_da_state_blk_t *, int *, int *);
530
531/* xfs_trans_item.c */
532xfs_log_item_desc_t *xfs_trans_add_item (xfs_trans_t *, xfs_log_item_t *);
533xfs_log_item_desc_t *xfs_trans_find_item (xfs_trans_t *, xfs_log_item_t *);
534void xfs_trans_free_item (xfs_trans_t *, xfs_log_item_desc_t *);
535void xfs_trans_free_items (xfs_trans_t *, int);
536
537/* xfs_trans_buf.c */
538xfs_buf_t *xfs_trans_buf_item_match (xfs_trans_t *, buftarg_t *,
539 xfs_daddr_t, int);
540xfs_buf_t *xfs_trans_buf_item_match_all (xfs_trans_t *, buftarg_t *,
541 xfs_daddr_t, int);
542
543/* xfs_inode_item.c */
544void xfs_inode_item_init (xfs_inode_t *, xfs_mount_t *);
545
546/* xfs_buf_item.c */
547void xfs_buf_item_init (xfs_buf_t *, xfs_mount_t *);
548void xfs_buf_item_log (xfs_buf_log_item_t *, uint, uint);
549
550/* local source files */
551int xfs_mod_incore_sb (xfs_mount_t *, xfs_sb_field_t, int, int);
552void xfs_trans_mod_sb (xfs_trans_t *, uint, long);
553int xfs_trans_unlock_chunk (xfs_log_item_chunk_t *, int, int, xfs_lsn_t);
554
555
556#ifndef DEBUG
557#define xfs_inobp_check(mp,bp) ((void) 0)
558#define xfs_btree_check_key(a,b,c) ((void) 0)
559#define xfs_btree_check_rec(a,b,c) ((void) 0)
560#define xfs_btree_check_block(a,b,c,d) ((void) 0)
561#define xfs_dir2_sf_check(args) ((void) 0)
562#define xfs_dir2_leaf_check(dp,bp) ((void) 0)
563#define xfs_dir2_leafn_check(dp,bp) ((void) 0)
564#undef xfs_dir2_data_check
565#define xfs_dir2_data_check(dp,bp) ((void) 0)
566#endif
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