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-rw-r--r--fs/nilfs2/super.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 1099a76cee59..6522cac6057c 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -677,7 +677,6 @@ static const struct super_operations nilfs_sops = {
.destroy_inode = nilfs_destroy_inode,
.dirty_inode = nilfs_dirty_inode,
/* .write_inode = nilfs_write_inode, */
- /* .put_inode = nilfs_put_inode, */
/* .drop_inode = nilfs_drop_inode, */
.evict_inode = nilfs_evict_inode,
.put_super = nilfs_put_super,
@@ -685,8 +684,6 @@ static const struct super_operations nilfs_sops = {
.sync_fs = nilfs_sync_fs,
.freeze_fs = nilfs_freeze,
.unfreeze_fs = nilfs_unfreeze,
- /* .write_super_lockfs */
- /* .unlockfs */
.statfs = nilfs_statfs,
.remount_fs = nilfs_remount,
/* .umount_begin */
@@ -948,6 +945,8 @@ static int nilfs_attach_snapshot(struct super_block *s, __u64 cno,
struct nilfs_root *root;
int ret;
+ mutex_lock(&nilfs->ns_snapshot_mount_mutex);
+
down_read(&nilfs->ns_segctor_sem);
ret = nilfs_cpfile_is_snapshot(nilfs->ns_cpfile, cno);
up_read(&nilfs->ns_segctor_sem);
@@ -972,6 +971,7 @@ static int nilfs_attach_snapshot(struct super_block *s, __u64 cno,
ret = nilfs_get_root_dentry(s, root, root_dentry);
nilfs_put_root(root);
out:
+ mutex_unlock(&nilfs->ns_snapshot_mount_mutex);
return ret;
}
@@ -1288,7 +1288,8 @@ nilfs_mount(struct file_system_type *fs_type, int flags,
err = -EBUSY;
goto failed;
}
- s = sget(fs_type, nilfs_test_bdev_super, nilfs_set_bdev_super, sd.bdev);
+ s = sget(fs_type, nilfs_test_bdev_super, nilfs_set_bdev_super, flags,
+ sd.bdev);
mutex_unlock(&sd.bdev->bd_fsfreeze_mutex);
if (IS_ERR(s)) {
err = PTR_ERR(s);
@@ -1301,7 +1302,6 @@ nilfs_mount(struct file_system_type *fs_type, int flags,
s_new = true;
/* New superblock instance created */
- s->s_flags = flags;
s->s_mode = mode;
strlcpy(s->s_id, bdevname(sd.bdev, b), sizeof(s->s_id));
sb_set_blocksize(s, block_size(sd.bdev));