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authorAlexey Dobriyan <adobriyan@gmail.com>2006-03-23 06:00:53 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 10:38:16 -0500
commita513b035eadf80bb9ce0be4c5dd9f242cfb9eecc (patch)
tree4b7b51b5336dd08534bf04ac84664699a4805124 /fs/ext2/namei.c
parent4e907c3d45d10dc5162d283d109be425c23aeb69 (diff)
[PATCH] ext2: switch to inode_inc_count, inode_dec_count
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ext2/namei.c')
-rw-r--r--fs/ext2/namei.c54
1 files changed, 19 insertions, 35 deletions
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index ad1432a2a62e..4ca824985321 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -36,22 +36,6 @@
36#include "acl.h" 36#include "acl.h"
37#include "xip.h" 37#include "xip.h"
38 38
39/*
40 * Couple of helper functions - make the code slightly cleaner.
41 */
42
43static inline void ext2_inc_count(struct inode *inode)
44{
45 inode->i_nlink++;
46 mark_inode_dirty(inode);
47}
48
49static inline void ext2_dec_count(struct inode *inode)
50{
51 inode->i_nlink--;
52 mark_inode_dirty(inode);
53}
54
55static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode) 39static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
56{ 40{
57 int err = ext2_add_link(dentry, inode); 41 int err = ext2_add_link(dentry, inode);
@@ -59,7 +43,7 @@ static inline int ext2_add_nondir(struct dentry *dentry, struct inode *inode)
59 d_instantiate(dentry, inode); 43 d_instantiate(dentry, inode);
60 return 0; 44 return 0;
61 } 45 }
62 ext2_dec_count(inode); 46 inode_dec_link_count(inode);
63 iput(inode); 47 iput(inode);
64 return err; 48 return err;
65} 49}
@@ -201,7 +185,7 @@ out:
201 return err; 185 return err;
202 186
203out_fail: 187out_fail:
204 ext2_dec_count(inode); 188 inode_dec_link_count(inode);
205 iput (inode); 189 iput (inode);
206 goto out; 190 goto out;
207} 191}
@@ -215,7 +199,7 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir,
215 return -EMLINK; 199 return -EMLINK;
216 200
217 inode->i_ctime = CURRENT_TIME_SEC; 201 inode->i_ctime = CURRENT_TIME_SEC;
218 ext2_inc_count(inode); 202 inode_inc_link_count(inode);
219 atomic_inc(&inode->i_count); 203 atomic_inc(&inode->i_count);
220 204
221 return ext2_add_nondir(dentry, inode); 205 return ext2_add_nondir(dentry, inode);
@@ -229,7 +213,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
229 if (dir->i_nlink >= EXT2_LINK_MAX) 213 if (dir->i_nlink >= EXT2_LINK_MAX)
230 goto out; 214 goto out;
231 215
232 ext2_inc_count(dir); 216 inode_inc_link_count(dir);
233 217
234 inode = ext2_new_inode (dir, S_IFDIR | mode); 218 inode = ext2_new_inode (dir, S_IFDIR | mode);
235 err = PTR_ERR(inode); 219 err = PTR_ERR(inode);
@@ -243,7 +227,7 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
243 else 227 else
244 inode->i_mapping->a_ops = &ext2_aops; 228 inode->i_mapping->a_ops = &ext2_aops;
245 229
246 ext2_inc_count(inode); 230 inode_inc_link_count(inode);
247 231
248 err = ext2_make_empty(inode, dir); 232 err = ext2_make_empty(inode, dir);
249 if (err) 233 if (err)
@@ -258,11 +242,11 @@ out:
258 return err; 242 return err;
259 243
260out_fail: 244out_fail:
261 ext2_dec_count(inode); 245 inode_dec_link_count(inode);
262 ext2_dec_count(inode); 246 inode_dec_link_count(inode);
263 iput(inode); 247 iput(inode);
264out_dir: 248out_dir:
265 ext2_dec_count(dir); 249 inode_dec_link_count(dir);
266 goto out; 250 goto out;
267} 251}
268 252
@@ -282,7 +266,7 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry)
282 goto out; 266 goto out;
283 267
284 inode->i_ctime = dir->i_ctime; 268 inode->i_ctime = dir->i_ctime;
285 ext2_dec_count(inode); 269 inode_dec_link_count(inode);
286 err = 0; 270 err = 0;
287out: 271out:
288 return err; 272 return err;
@@ -297,8 +281,8 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry)
297 err = ext2_unlink(dir, dentry); 281 err = ext2_unlink(dir, dentry);
298 if (!err) { 282 if (!err) {
299 inode->i_size = 0; 283 inode->i_size = 0;
300 ext2_dec_count(inode); 284 inode_dec_link_count(inode);
301 ext2_dec_count(dir); 285 inode_dec_link_count(dir);
302 } 286 }
303 } 287 }
304 return err; 288 return err;
@@ -338,41 +322,41 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
338 new_de = ext2_find_entry (new_dir, new_dentry, &new_page); 322 new_de = ext2_find_entry (new_dir, new_dentry, &new_page);
339 if (!new_de) 323 if (!new_de)
340 goto out_dir; 324 goto out_dir;
341 ext2_inc_count(old_inode); 325 inode_inc_link_count(old_inode);
342 ext2_set_link(new_dir, new_de, new_page, old_inode); 326 ext2_set_link(new_dir, new_de, new_page, old_inode);
343 new_inode->i_ctime = CURRENT_TIME_SEC; 327 new_inode->i_ctime = CURRENT_TIME_SEC;
344 if (dir_de) 328 if (dir_de)
345 new_inode->i_nlink--; 329 new_inode->i_nlink--;
346 ext2_dec_count(new_inode); 330 inode_dec_link_count(new_inode);
347 } else { 331 } else {
348 if (dir_de) { 332 if (dir_de) {
349 err = -EMLINK; 333 err = -EMLINK;
350 if (new_dir->i_nlink >= EXT2_LINK_MAX) 334 if (new_dir->i_nlink >= EXT2_LINK_MAX)
351 goto out_dir; 335 goto out_dir;
352 } 336 }
353 ext2_inc_count(old_inode); 337 inode_inc_link_count(old_inode);
354 err = ext2_add_link(new_dentry, old_inode); 338 err = ext2_add_link(new_dentry, old_inode);
355 if (err) { 339 if (err) {
356 ext2_dec_count(old_inode); 340 inode_dec_link_count(old_inode);
357 goto out_dir; 341 goto out_dir;
358 } 342 }
359 if (dir_de) 343 if (dir_de)
360 ext2_inc_count(new_dir); 344 inode_inc_link_count(new_dir);
361 } 345 }
362 346
363 /* 347 /*
364 * Like most other Unix systems, set the ctime for inodes on a 348 * Like most other Unix systems, set the ctime for inodes on a
365 * rename. 349 * rename.
366 * ext2_dec_count() will mark the inode dirty. 350 * inode_dec_link_count() will mark the inode dirty.
367 */ 351 */
368 old_inode->i_ctime = CURRENT_TIME_SEC; 352 old_inode->i_ctime = CURRENT_TIME_SEC;
369 353
370 ext2_delete_entry (old_de, old_page); 354 ext2_delete_entry (old_de, old_page);
371 ext2_dec_count(old_inode); 355 inode_dec_link_count(old_inode);
372 356
373 if (dir_de) { 357 if (dir_de) {
374 ext2_set_link(old_inode, dir_de, dir_page, new_dir); 358 ext2_set_link(old_inode, dir_de, dir_page, new_dir);
375 ext2_dec_count(old_dir); 359 inode_dec_link_count(old_dir);
376 } 360 }
377 return 0; 361 return 0;
378 362