diff options
Diffstat (limited to 'fs/overlayfs/util.c')
| -rw-r--r-- | fs/overlayfs/util.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 5042293d2078..9dfec74ec77d 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -47,7 +47,12 @@ struct super_block *ovl_same_sb(struct super_block *sb) { struct ovl_fs *ofs = sb->s_fs_info; - return ofs->same_sb; + if (!ofs->numlowerfs) + return ofs->upper_mnt->mnt_sb; + else if (ofs->numlowerfs == 1 && !ofs->upper_mnt) + return ofs->lower_fs[0].sb; + else + return NULL; } bool ovl_can_decode_fh(struct super_block *sb) |