diff options
Diffstat (limited to 'fs/ubifs/file.c')
-rw-r--r-- | fs/ubifs/file.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 2624411d9758..bf37374567fa 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c | |||
@@ -72,8 +72,8 @@ static int read_block(struct inode *inode, void *addr, unsigned int block, | |||
72 | return err; | 72 | return err; |
73 | } | 73 | } |
74 | 74 | ||
75 | ubifs_assert(le64_to_cpu(dn->ch.sqnum) > ubifs_inode(inode)->creat_sqnum); | 75 | ubifs_assert(le64_to_cpu(dn->ch.sqnum) > |
76 | 76 | ubifs_inode(inode)->creat_sqnum); | |
77 | len = le32_to_cpu(dn->size); | 77 | len = le32_to_cpu(dn->size); |
78 | if (len <= 0 || len > UBIFS_BLOCK_SIZE) | 78 | if (len <= 0 || len > UBIFS_BLOCK_SIZE) |
79 | goto dump; | 79 | goto dump; |
@@ -219,7 +219,8 @@ static void release_existing_page_budget(struct ubifs_info *c) | |||
219 | } | 219 | } |
220 | 220 | ||
221 | static int write_begin_slow(struct address_space *mapping, | 221 | static int write_begin_slow(struct address_space *mapping, |
222 | loff_t pos, unsigned len, struct page **pagep) | 222 | loff_t pos, unsigned len, struct page **pagep, |
223 | unsigned flags) | ||
223 | { | 224 | { |
224 | struct inode *inode = mapping->host; | 225 | struct inode *inode = mapping->host; |
225 | struct ubifs_info *c = inode->i_sb->s_fs_info; | 226 | struct ubifs_info *c = inode->i_sb->s_fs_info; |
@@ -247,14 +248,14 @@ static int write_begin_slow(struct address_space *mapping, | |||
247 | if (unlikely(err)) | 248 | if (unlikely(err)) |
248 | return err; | 249 | return err; |
249 | 250 | ||
250 | page = __grab_cache_page(mapping, index); | 251 | page = grab_cache_page_write_begin(mapping, index, flags); |
251 | if (unlikely(!page)) { | 252 | if (unlikely(!page)) { |
252 | ubifs_release_budget(c, &req); | 253 | ubifs_release_budget(c, &req); |
253 | return -ENOMEM; | 254 | return -ENOMEM; |
254 | } | 255 | } |
255 | 256 | ||
256 | if (!PageUptodate(page)) { | 257 | if (!PageUptodate(page)) { |
257 | if (!(pos & PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE) | 258 | if (!(pos & ~PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE) |
258 | SetPageChecked(page); | 259 | SetPageChecked(page); |
259 | else { | 260 | else { |
260 | err = do_readpage(page); | 261 | err = do_readpage(page); |
@@ -438,13 +439,13 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, | |||
438 | return -EROFS; | 439 | return -EROFS; |
439 | 440 | ||
440 | /* Try out the fast-path part first */ | 441 | /* Try out the fast-path part first */ |
441 | page = __grab_cache_page(mapping, index); | 442 | page = grab_cache_page_write_begin(mapping, index, flags); |
442 | if (unlikely(!page)) | 443 | if (unlikely(!page)) |
443 | return -ENOMEM; | 444 | return -ENOMEM; |
444 | 445 | ||
445 | if (!PageUptodate(page)) { | 446 | if (!PageUptodate(page)) { |
446 | /* The page is not loaded from the flash */ | 447 | /* The page is not loaded from the flash */ |
447 | if (!(pos & PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE) | 448 | if (!(pos & ~PAGE_CACHE_MASK) && len == PAGE_CACHE_SIZE) |
448 | /* | 449 | /* |
449 | * We change whole page so no need to load it. But we | 450 | * We change whole page so no need to load it. But we |
450 | * have to set the @PG_checked flag to make the further | 451 | * have to set the @PG_checked flag to make the further |
@@ -483,7 +484,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, | |||
483 | unlock_page(page); | 484 | unlock_page(page); |
484 | page_cache_release(page); | 485 | page_cache_release(page); |
485 | 486 | ||
486 | return write_begin_slow(mapping, pos, len, pagep); | 487 | return write_begin_slow(mapping, pos, len, pagep, flags); |
487 | } | 488 | } |
488 | 489 | ||
489 | /* | 490 | /* |