twl4030_charger: increase end-of-charge current

[pandora-kernel.git] / fs / nilfs2 / super.c

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 8351c44..97bfbdd 100644 (file)
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -951,6 +951,8 @@ 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);
@@ -975,6 +977,7 @@ 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;
 }