ext4: only set EXT4_MOUNT_QUOTA when journalled quota file is specified

Only set EXT4_MOUNT_QUOTA when journalled quota file is specified,
otherwise simply disabling specific quota type (usrjquota=) will also
set the EXT4_MOUNT_QUOTA super block option.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Fixes: e6e268cb6822 ("ext4: move quota configuration out of handle_mount_opt()")
Link: https://lore.kernel.org/r/20220104143518.134465-2-lczerner@redhat.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 72e4dfc..435f247 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2635,12 +2635,13 @@ static void ext4_apply_quota_options(struct fs_context *fc,
                                continue;
 
                        qname = ctx->s_qf_names[i]; /* May be NULL */
+                       if (qname)
+                               set_opt(sb, QUOTA);
                        ctx->s_qf_names[i] = NULL;
                        qname = rcu_replace_pointer(sbi->s_qf_names[i], qname,
                                                lockdep_is_held(&sb->s_umount));
                        if (qname)
                                kfree_rcu(qname);
-                       set_opt(sb, QUOTA);
                }
        }