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authorDavid Woodhouse <dwmw2@infradead.org>2008-04-22 07:34:25 -0400
committerDavid Woodhouse <dwmw2@infradead.org>2008-04-22 07:34:25 -0400
commitf838bad1b3be8ca0c785ee0e0c570dfda74cf377 (patch)
tree5a842a8056a708cfad55a20fa8ab733dd94b0903 /fs/xfs/xfs_dir2.c
parentdd919660aacdf4adfcd279556aa03e595f7f0fc2 (diff)
parent807501475fce0ebe68baedf87f202c3e4ee0d12c (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/xfs/xfs_dir2.c')
-rw-r--r--fs/xfs/xfs_dir2.c64
1 files changed, 29 insertions, 35 deletions
diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index be7c4251fa61..7cb26529766b 100644
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -44,12 +44,13 @@
44#include "xfs_error.h" 44#include "xfs_error.h"
45#include "xfs_vnodeops.h" 45#include "xfs_vnodeops.h"
46 46
47struct xfs_name xfs_name_dotdot = {"..", 2};
47 48
48void 49void
49xfs_dir_mount( 50xfs_dir_mount(
50 xfs_mount_t *mp) 51 xfs_mount_t *mp)
51{ 52{
52 ASSERT(XFS_SB_VERSION_HASDIRV2(&mp->m_sb)); 53 ASSERT(xfs_sb_version_hasdirv2(&mp->m_sb));
53 ASSERT((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) <= 54 ASSERT((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) <=
54 XFS_MAX_BLOCKSIZE); 55 XFS_MAX_BLOCKSIZE);
55 mp->m_dirblksize = 1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog); 56 mp->m_dirblksize = 1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog);
@@ -146,8 +147,7 @@ int
146xfs_dir_createname( 147xfs_dir_createname(
147 xfs_trans_t *tp, 148 xfs_trans_t *tp,
148 xfs_inode_t *dp, 149 xfs_inode_t *dp,
149 char *name, 150 struct xfs_name *name,
150 int namelen,
151 xfs_ino_t inum, /* new entry inode number */ 151 xfs_ino_t inum, /* new entry inode number */
152 xfs_fsblock_t *first, /* bmap's firstblock */ 152 xfs_fsblock_t *first, /* bmap's firstblock */
153 xfs_bmap_free_t *flist, /* bmap's freeblock list */ 153 xfs_bmap_free_t *flist, /* bmap's freeblock list */
@@ -162,9 +162,9 @@ xfs_dir_createname(
162 return rval; 162 return rval;
163 XFS_STATS_INC(xs_dir_create); 163 XFS_STATS_INC(xs_dir_create);
164 164
165 args.name = name; 165 args.name = name->name;
166 args.namelen = namelen; 166 args.namelen = name->len;
167 args.hashval = xfs_da_hashname(name, namelen); 167 args.hashval = xfs_da_hashname(name->name, name->len);
168 args.inumber = inum; 168 args.inumber = inum;
169 args.dp = dp; 169 args.dp = dp;
170 args.firstblock = first; 170 args.firstblock = first;
@@ -197,8 +197,7 @@ int
197xfs_dir_lookup( 197xfs_dir_lookup(
198 xfs_trans_t *tp, 198 xfs_trans_t *tp,
199 xfs_inode_t *dp, 199 xfs_inode_t *dp,
200 char *name, 200 struct xfs_name *name,
201 int namelen,
202 xfs_ino_t *inum) /* out: inode number */ 201 xfs_ino_t *inum) /* out: inode number */
203{ 202{
204 xfs_da_args_t args; 203 xfs_da_args_t args;
@@ -207,18 +206,14 @@ xfs_dir_lookup(
207 206
208 ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); 207 ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
209 XFS_STATS_INC(xs_dir_lookup); 208 XFS_STATS_INC(xs_dir_lookup);
209 memset(&args, 0, sizeof(xfs_da_args_t));
210 210
211 args.name = name; 211 args.name = name->name;
212 args.namelen = namelen; 212 args.namelen = name->len;
213 args.hashval = xfs_da_hashname(name, namelen); 213 args.hashval = xfs_da_hashname(name->name, name->len);
214 args.inumber = 0;
215 args.dp = dp; 214 args.dp = dp;
216 args.firstblock = NULL;
217 args.flist = NULL;
218 args.total = 0;
219 args.whichfork = XFS_DATA_FORK; 215 args.whichfork = XFS_DATA_FORK;
220 args.trans = tp; 216 args.trans = tp;
221 args.justcheck = args.addname = 0;
222 args.oknoent = 1; 217 args.oknoent = 1;
223 218
224 if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) 219 if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
@@ -247,8 +242,7 @@ int
247xfs_dir_removename( 242xfs_dir_removename(
248 xfs_trans_t *tp, 243 xfs_trans_t *tp,
249 xfs_inode_t *dp, 244 xfs_inode_t *dp,
250 char *name, 245 struct xfs_name *name,
251 int namelen,
252 xfs_ino_t ino, 246 xfs_ino_t ino,
253 xfs_fsblock_t *first, /* bmap's firstblock */ 247 xfs_fsblock_t *first, /* bmap's firstblock */
254 xfs_bmap_free_t *flist, /* bmap's freeblock list */ 248 xfs_bmap_free_t *flist, /* bmap's freeblock list */
@@ -261,9 +255,9 @@ xfs_dir_removename(
261 ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); 255 ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
262 XFS_STATS_INC(xs_dir_remove); 256 XFS_STATS_INC(xs_dir_remove);
263 257
264 args.name = name; 258 args.name = name->name;
265 args.namelen = namelen; 259 args.namelen = name->len;
266 args.hashval = xfs_da_hashname(name, namelen); 260 args.hashval = xfs_da_hashname(name->name, name->len);
267 args.inumber = ino; 261 args.inumber = ino;
268 args.dp = dp; 262 args.dp = dp;
269 args.firstblock = first; 263 args.firstblock = first;
@@ -329,8 +323,7 @@ int
329xfs_dir_replace( 323xfs_dir_replace(
330 xfs_trans_t *tp, 324 xfs_trans_t *tp,
331 xfs_inode_t *dp, 325 xfs_inode_t *dp,
332 char *name, /* name of entry to replace */ 326 struct xfs_name *name, /* name of entry to replace */
333 int namelen,
334 xfs_ino_t inum, /* new inode number */ 327 xfs_ino_t inum, /* new inode number */
335 xfs_fsblock_t *first, /* bmap's firstblock */ 328 xfs_fsblock_t *first, /* bmap's firstblock */
336 xfs_bmap_free_t *flist, /* bmap's freeblock list */ 329 xfs_bmap_free_t *flist, /* bmap's freeblock list */
@@ -345,9 +338,9 @@ xfs_dir_replace(
345 if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum))) 338 if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum)))
346 return rval; 339 return rval;
347 340
348 args.name = name; 341 args.name = name->name;
349 args.namelen = namelen; 342 args.namelen = name->len;
350 args.hashval = xfs_da_hashname(name, namelen); 343 args.hashval = xfs_da_hashname(name->name, name->len);
351 args.inumber = inum; 344 args.inumber = inum;
352 args.dp = dp; 345 args.dp = dp;
353 args.firstblock = first; 346 args.firstblock = first;
@@ -374,28 +367,29 @@ xfs_dir_replace(
374 367
375/* 368/*
376 * See if this entry can be added to the directory without allocating space. 369 * See if this entry can be added to the directory without allocating space.
370 * First checks that the caller couldn't reserve enough space (resblks = 0).
377 */ 371 */
378int 372int
379xfs_dir_canenter( 373xfs_dir_canenter(
380 xfs_trans_t *tp, 374 xfs_trans_t *tp,
381 xfs_inode_t *dp, 375 xfs_inode_t *dp,
382 char *name, /* name of entry to add */ 376 struct xfs_name *name, /* name of entry to add */
383 int namelen) 377 uint resblks)
384{ 378{
385 xfs_da_args_t args; 379 xfs_da_args_t args;
386 int rval; 380 int rval;
387 int v; /* type-checking value */ 381 int v; /* type-checking value */
388 382
383 if (resblks)
384 return 0;
385
389 ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); 386 ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
387 memset(&args, 0, sizeof(xfs_da_args_t));
390 388
391 args.name = name; 389 args.name = name->name;
392 args.namelen = namelen; 390 args.namelen = name->len;
393 args.hashval = xfs_da_hashname(name, namelen); 391 args.hashval = xfs_da_hashname(name->name, name->len);
394 args.inumber = 0;
395 args.dp = dp; 392 args.dp = dp;
396 args.firstblock = NULL;
397 args.flist = NULL;
398 args.total = 0;
399 args.whichfork = XFS_DATA_FORK; 393 args.whichfork = XFS_DATA_FORK;
400 args.trans = tp; 394 args.trans = tp;
401 args.justcheck = args.addname = args.oknoent = 1; 395 args.justcheck = args.addname = args.oknoent = 1;