diff options
Diffstat (limited to 'fs/nilfs2/super.c')
| -rw-r--r-- | fs/nilfs2/super.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 019752f7d2da..50284add7880 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -792,10 +792,15 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent, if (sb->s_flags & MS_RDONLY) { if (nilfs_test_opt(sbi, SNAPSHOT)) { + down_read(&nilfs->ns_segctor_sem); err = nilfs_cpfile_is_snapshot(nilfs->ns_cpfile, sbi->s_snapshot_cno); - if (err < 0) + up_read(&nilfs->ns_segctor_sem); + if (err < 0) { + if (err == -ENOENT) + err = -EINVAL; goto failed_sbi; + } if (!err) { printk(KERN_ERR "NILFS: The specified checkpoint is " |