diff mbox series

[3/6] quota: Check presence of quota operation structures instead of ->quota_read and ->quota_write callbacks

Message ID 20230403084759.884681-4-cem@kernel.org (mailing list archive)
State Mainlined, archived
Headers show
Series shmem: Add user and group quota support for tmpfs | expand

Commit Message

Carlos Maiolino April 3, 2023, 8:47 a.m. UTC 
From: Jan Kara <jack@suse.cz>

Currently we check whether superblock has ->quota_read and ->quota_write
operations to check whether filesystem supports quotas. However for
example for shmfs we will not read or write dquots so check whether
quota operations are set in the superblock instead.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/quota/dquot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index a6357f728034a..81563a83b609d 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2367,7 +2367,7 @@  int dquot_load_quota_sb(struct super_block *sb, int type, int format_id,
 
 	if (!fmt)
 		return -ESRCH;
-	if (!sb->s_op->quota_write || !sb->s_op->quota_read ||
+	if (!sb->dq_op || !sb->s_qcop ||
 	    (type == PRJQUOTA && sb->dq_op->get_projid == NULL)) {
 		error = -EINVAL;
 		goto out_fmt;