aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ufs/balloc.c
diff options
context:
space:
mode:
authorEvgeniy Dushistov <dushistov@mail.ru>2006-06-25 05:47:19 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 10:01:01 -0700
commitc9a27b5dca52bbd0955e065e49e56eb313d02c34 (patch)
tree6e5223f9ee942e8a55552138aa67ef2a37e01738 /fs/ufs/balloc.c
parent2061df0f89201c0abeb4c17d343309c9fae5b861 (diff)
downloadmrst-s0i3-test-c9a27b5dca52bbd0955e065e49e56eb313d02c34.tar.gz
mrst-s0i3-test-c9a27b5dca52bbd0955e065e49e56eb313d02c34.tar.xz
mrst-s0i3-test-c9a27b5dca52bbd0955e065e49e56eb313d02c34.zip
[PATCH] ufs: right block allocation
* After block allocation, we map it on the same "address" as 8 others blocks * We nullify block several times: once in ufs/block.c and once in block_*write_full_page, and use different "caches" for this. 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.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 3ada9dcf55b..cc0c8f15d8f 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -223,18 +223,6 @@ failed:
}
-
-#define NULLIFY_FRAGMENTS \
- for (i = oldcount; i < newcount; i++) { \
- bh = sb_getblk(sb, result + i); \
- memset (bh->b_data, 0, sb->s_blocksize); \
- set_buffer_uptodate(bh); \
- mark_buffer_dirty (bh); \
- if (IS_SYNC(inode)) \
- sync_dirty_buffer(bh); \
- brelse (bh); \
- }
-
unsigned ufs_new_fragments (struct inode * inode, __fs32 * p, unsigned fragment,
unsigned goal, unsigned count, int * err )
{
@@ -312,7 +300,6 @@ unsigned ufs_new_fragments (struct inode * inode, __fs32 * p, unsigned fragment,
*err = 0;
inode->i_blocks += count << uspi->s_nspfshift;
UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count);
- NULLIFY_FRAGMENTS
}
unlock_super(sb);
UFSD(("EXIT, result %u\n", result))
@@ -327,7 +314,6 @@ unsigned ufs_new_fragments (struct inode * inode, __fs32 * p, unsigned fragment,
*err = 0;
inode->i_blocks += count << uspi->s_nspfshift;
UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count);
- NULLIFY_FRAGMENTS
unlock_super(sb);
UFSD(("EXIT, result %u\n", result))
return result;
@@ -379,7 +365,6 @@ unsigned ufs_new_fragments (struct inode * inode, __fs32 * p, unsigned fragment,
*err = 0;
inode->i_blocks += count << uspi->s_nspfshift;
UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count);
- NULLIFY_FRAGMENTS
unlock_super(sb);
if (newcount < request)
ufs_free_fragments (inode, result + newcount, request - newcount);