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| author | Evgeniy Dushistov <dushistov@mail.ru> | 2006-06-25 05:47:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-25 10:01:04 -0700 |
| commit | f391475812ba39afa322c835217ffe936f5e754a (patch) | |
| tree | d5bf0a5ec79b0bebe87988734c316b18360f42a8 /fs/ufs/balloc.c | |
| parent | 96710b29e05f3b470bc4206366021b56e28d5208 (diff) | |
| download | linux-3.10-f391475812ba39afa322c835217ffe936f5e754a.tar.gz linux-3.10-f391475812ba39afa322c835217ffe936f5e754a.tar.bz2 linux-3.10-f391475812ba39afa322c835217ffe936f5e754a.zip | |
[PATCH] ufs: missed brelse and wrong baseblk
This patch fixes two bugs, which introduced by previous patches:
1) Missed "brelse"
2) Sometimes "baseblk" may be wrongly calculated, if i_size is equal to
zero, which lead infinite cycle in "mpage_writepages".
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ufs/balloc.c')
| -rw-r--r-- | fs/ufs/balloc.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index ac709e70f64..99d881812ad 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -269,20 +269,17 @@ out: * We can come here from ufs_writepage or ufs_prepare_write, * locked_page is argument of these functions, so we already lock it. */ -static void ufs_change_blocknr(struct inode *inode, unsigned int count, - unsigned int oldb, unsigned int newb, - struct page *locked_page) +static void ufs_change_blocknr(struct inode *inode, unsigned int baseblk, + unsigned int count, unsigned int oldb, + unsigned int newb, struct page *locked_page) { unsigned int blk_per_page = 1 << (PAGE_CACHE_SHIFT - inode->i_blkbits); - sector_t baseblk; struct address_space *mapping = inode->i_mapping; pgoff_t index, cur_index = locked_page->index; unsigned int i, j; struct page *page; struct buffer_head *head, *bh; - baseblk = ((i_size_read(inode) - 1) >> inode->i_blkbits) + 1 - count; - UFSD("ENTER, ino %lu, count %u, oldb %u, newb %u\n", inode->i_ino, count, oldb, newb); @@ -439,7 +436,8 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment, } result = ufs_alloc_fragments (inode, cgno, goal, request, err); if (result) { - ufs_change_blocknr(inode, oldcount, tmp, result, locked_page); + ufs_change_blocknr(inode, fragment - oldcount, oldcount, tmp, + result, locked_page); *p = cpu_to_fs32(sb, result); *err = 0; |