diff options
| author | Liu Bo <bo.li.liu@oracle.com> | 2013-01-06 22:53:08 -0500 |
|---|---|---|
| committer | Josef Bacik <josef@toxicpanda.com> | 2013-01-14 13:53:22 -0500 |
| commit | 1214b53f90131fee1f950010c43e92455fe598ab (patch) | |
| tree | d2c3c55c3f86f539013fbbee2980f13ac312fb7d | |
| parent | 3268a2468eb6a31af89930cbae58a62fe6ca6d2d (diff) | |
Btrfs: fix off-by-one in lseek
Lock end is inclusive.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
| -rw-r--r-- | fs/btrfs/file.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 20452c110d7d..fa48051484b8 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c | |||
| @@ -2242,6 +2242,7 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int origin) | |||
| 2242 | if (lockend <= lockstart) | 2242 | if (lockend <= lockstart) |
| 2243 | lockend = lockstart + root->sectorsize; | 2243 | lockend = lockstart + root->sectorsize; |
| 2244 | 2244 | ||
| 2245 | lockend--; | ||
| 2245 | len = lockend - lockstart + 1; | 2246 | len = lockend - lockstart + 1; |
| 2246 | 2247 | ||
| 2247 | len = max_t(u64, len, root->sectorsize); | 2248 | len = max_t(u64, len, root->sectorsize); |