diff options
Diffstat (limited to 'fs/ufs/balloc.c')
-rw-r--r-- | fs/ufs/balloc.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index b82381475779..2e0021e8f366 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c | |||
@@ -275,6 +275,25 @@ static void ufs_change_blocknr(struct inode *inode, unsigned int baseblk, | |||
275 | UFSD("EXIT\n"); | 275 | UFSD("EXIT\n"); |
276 | } | 276 | } |
277 | 277 | ||
278 | static void ufs_clear_frags(struct inode *inode, sector_t beg, unsigned int n, | ||
279 | int sync) | ||
280 | { | ||
281 | struct buffer_head *bh; | ||
282 | sector_t end = beg + n; | ||
283 | |||
284 | for (; beg < end; ++beg) { | ||
285 | bh = sb_getblk(inode->i_sb, beg); | ||
286 | lock_buffer(bh); | ||
287 | memset(bh->b_data, 0, inode->i_sb->s_blocksize); | ||
288 | set_buffer_uptodate(bh); | ||
289 | mark_buffer_dirty(bh); | ||
290 | unlock_buffer(bh); | ||
291 | if (IS_SYNC(inode) || sync) | ||
292 | sync_dirty_buffer(bh); | ||
293 | brelse(bh); | ||
294 | } | ||
295 | } | ||
296 | |||
278 | unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment, | 297 | unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment, |
279 | unsigned goal, unsigned count, int * err, struct page *locked_page) | 298 | unsigned goal, unsigned count, int * err, struct page *locked_page) |
280 | { | 299 | { |
@@ -350,6 +369,8 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment, | |||
350 | *p = cpu_to_fs32(sb, result); | 369 | *p = cpu_to_fs32(sb, result); |
351 | *err = 0; | 370 | *err = 0; |
352 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); | 371 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); |
372 | ufs_clear_frags(inode, result + oldcount, newcount - oldcount, | ||
373 | locked_page != NULL); | ||
353 | } | 374 | } |
354 | unlock_super(sb); | 375 | unlock_super(sb); |
355 | UFSD("EXIT, result %u\n", result); | 376 | UFSD("EXIT, result %u\n", result); |
@@ -363,6 +384,8 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment, | |||
363 | if (result) { | 384 | if (result) { |
364 | *err = 0; | 385 | *err = 0; |
365 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); | 386 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); |
387 | ufs_clear_frags(inode, result + oldcount, newcount - oldcount, | ||
388 | locked_page != NULL); | ||
366 | unlock_super(sb); | 389 | unlock_super(sb); |
367 | UFSD("EXIT, result %u\n", result); | 390 | UFSD("EXIT, result %u\n", result); |
368 | return result; | 391 | return result; |
@@ -398,6 +421,8 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment, | |||
398 | *p = cpu_to_fs32(sb, result); | 421 | *p = cpu_to_fs32(sb, result); |
399 | *err = 0; | 422 | *err = 0; |
400 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); | 423 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); |
424 | ufs_clear_frags(inode, result + oldcount, newcount - oldcount, | ||
425 | locked_page != NULL); | ||
401 | unlock_super(sb); | 426 | unlock_super(sb); |
402 | if (newcount < request) | 427 | if (newcount < request) |
403 | ufs_free_fragments (inode, result + newcount, request - newcount); | 428 | ufs_free_fragments (inode, result + newcount, request - newcount); |