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Btrfs: Various small fixes.

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This trivial patch contains two locking fixes and a off by one fix.

---

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan Zheng 2008-08-04 23:23:47 -04:00 • committed by Chris Mason
parent 3de9d6b649
commit b48652c101
5 changed files with 11 additions and 10 deletions
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2
fs/btrfs/super.c
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@ -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);