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path: root/fs/btrfs/super.c
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Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 3536bdb2d7c..6dfae5b28f5 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -502,8 +502,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
if (s->s_root) {
if ((flags ^ s->s_flags) & MS_RDONLY) {
- up_write(&s->s_umount);
- deactivate_super(s);
+ deactivate_locked_super(s);
error = -EBUSY;
goto error_close_devices;
}
@@ -517,8 +516,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
error = btrfs_fill_super(s, fs_devices, data,
flags & MS_SILENT ? 1 : 0);
if (error) {
- up_write(&s->s_umount);
- deactivate_super(s);
+ deactivate_locked_super(s);
goto error_free_subvol_name;
}
@@ -535,15 +533,13 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
mutex_unlock(&s->s_root->d_inode->i_mutex);
if (IS_ERR(root)) {
- up_write(&s->s_umount);
- deactivate_super(s);
+ deactivate_locked_super(s);
error = PTR_ERR(root);
goto error_free_subvol_name;
}
if (!root->d_inode) {
dput(root);
- up_write(&s->s_umount);
- deactivate_super(s);
+ deactivate_locked_super(s);
error = -ENXIO;
goto error_free_subvol_name;
}