Even CONFIG_BTRFS_FS_POSIX_ACL is not defined, the acl still could
been enabled using a mount option, and now fs/btrfs/acl.o is not
built, so the mount options will appear to be supported but will
be silently ignored.
Signed-off-by: Guangliang Zhao <lucienc...@gmail.com>
Reviewed-by: David Sterba <dste...@suse.cz>
---
V2: return -EINVAL when ACL didn't complied in
fs/btrfs/super.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 363404b..1046e66 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -580,8 +580,15 @@ int btrfs_parse_options(struct btrfs_root *root, char
*options)
}
break;
case Opt_acl:
+#ifdef CONFIG_BTRFS_FS_POSIX_ACL
root->fs_info->sb->s_flags |= MS_POSIXACL;
break;
+#else
+ btrfs_err(root->fs_info,
+ "support for ACL not compiled in!");
+ ret = -EINVAL;
+ goto out;
+#endif
case Opt_noacl:
root->fs_info->sb->s_flags &= ~MS_POSIXACL;
break;
--
1.7.9.5
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