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| author | Yan Zheng <zheng.yan@oracle.com> | 2008-08-04 23:23:47 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:06 -0400 |
| commit | b48652c101cce7a54379a49cc0cf854cec2c94e2 (patch) | |
| tree | 13e8250b326b71fed80811e1ed3b19b00beded31 /fs/btrfs/super.c | |
| parent | 3de9d6b649b4cc60687be92e71cef36d7d4e8f2f (diff) | |
Btrfs: Various small fixes.
This trivial patch contains two locking fixes and a off by one fix.
---
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index a6a418b6894b..eb4b357d05e1 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -449,7 +449,9 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags, s->s_flags |= MS_ACTIVE; } + mutex_lock(&s->s_root->d_inode->i_mutex); root = lookup_one_len(subvol_name, s->s_root, strlen(subvol_name)); + mutex_unlock(&s->s_root->d_inode->i_mutex); if (IS_ERR(root)) { up_write(&s->s_umount); deactivate_super(s); |