1 files changed, 17 insertions, 0 deletions

diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index a8be1417051f..3b7f4b0e5dfe 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -32,4 +32,21 @@ int gfs2_quota_init(struct gfs2_sbd *sdp);
 void gfs2_quota_scan(struct gfs2_sbd *sdp);
 void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
 
+static inline int gfs2_quota_lock_check(struct gfs2_inode *ip)
+{
+        struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+        int ret;
+        if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
+                return 0;
+        ret = gfs2_quota_lock(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
+        if (ret)
+                return ret;
+        if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
+                return 0;
+        ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid);
+        if (ret)
+                gfs2_quota_unlock(ip);
+        return ret;
+}
+
 #endif /* __QUOTA_DOT_H__ */