diff options
author | Arne Jansen <sensille@gmx.net> | 2010-11-12 18:17:56 -0500 |
---|---|---|
committer | Chris Mason <chris.mason@oracle.com> | 2010-11-21 22:26:04 -0500 |
commit | 6f33434850ed87dc5e56b60ebbad3d3cf405f296 (patch) | |
tree | e70433c2c1fe59180bb8a92341f73931eff7ddb0 /fs/btrfs/extent-tree.c | |
parent | e65e1535542931e51189832264cd282e5899e4b9 (diff) |
btrfs: Fix early enospc because 'unused' calculated with wrong sign.
'unused' calculated with wrong sign in reserve_metadata_bytes().
This might have lead to unwanted over-reservations.
Signed-off-by: Arne Jansen <sensille@gmx.net>
Reviewed-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r-- | fs/btrfs/extent-tree.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index a541bc87f04c..ddaf6340fe7f 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c | |||
@@ -3413,7 +3413,7 @@ again: | |||
3413 | * our reservation. | 3413 | * our reservation. |
3414 | */ | 3414 | */ |
3415 | if (unused <= space_info->total_bytes) { | 3415 | if (unused <= space_info->total_bytes) { |
3416 | unused -= space_info->total_bytes; | 3416 | unused = space_info->total_bytes - unused; |
3417 | if (unused >= num_bytes) { | 3417 | if (unused >= num_bytes) { |
3418 | if (!reserved) | 3418 | if (!reserved) |
3419 | space_info->bytes_reserved += orig_bytes; | 3419 | space_info->bytes_reserved += orig_bytes; |