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| author | Hugh Dickins <hugh@veritas.com> | 2006-12-06 20:41:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 08:39:48 -0800 |
| commit | ff50dc562bf6de00fec264b11531e2745209ba12 (patch) | |
| tree | c866557dfe97498e213e5a905f42834b51f82aed /fs/ext3/balloc.c | |
| parent | 1650242324a0c19d629a8be0d5a8ecdc174d31f8 (diff) | |
| download | linux-ff50dc562bf6de00fec264b11531e2745209ba12.tar.gz | |
[PATCH] ext3 balloc: fix off-by-one against rsv_end
rsv_end is the last block within the reservation, so alloc_new_reservation should accept start_block == rsv_end as success. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ext3/balloc.c')
| -rw-r--r-- | fs/ext3/balloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c index 0706a45d3c07..57cf47a9420e 100644 --- a/fs/ext3/balloc.c +++ b/fs/ext3/balloc.c @@ -1148,7 +1148,7 @@ retry: * check if the first free block is within the * free space we just reserved */ - if (start_block >= my_rsv->rsv_start && start_block < my_rsv->rsv_end) + if (start_block >= my_rsv->rsv_start && start_block <= my_rsv->rsv_end) return 0; /* success */ /* * if the first free bit we found is out of the reservable space |