*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
+ * of the GNU General Public License version 2.
*/
#ifndef __QUOTA_DOT_H__
#define __QUOTA_DOT_H__
-#define NO_QUOTA_CHANGE ((uint32_t)-1)
+struct gfs2_inode;
+struct gfs2_sbd;
-int gfs2_quota_hold(struct gfs2_inode *ip, uint32_t uid, uint32_t gid);
+#define NO_QUOTA_CHANGE ((u32)-1)
+
+int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid);
void gfs2_quota_unhold(struct gfs2_inode *ip);
-int gfs2_quota_lock(struct gfs2_inode *ip, uint32_t uid, uint32_t gid);
+int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid);
void gfs2_quota_unlock(struct gfs2_inode *ip);
-int gfs2_quota_check(struct gfs2_inode *ip, uint32_t uid, uint32_t gid);
-void gfs2_quota_change(struct gfs2_inode *ip, int64_t change,
- uint32_t uid, uint32_t gid);
+int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
+void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
+ u32 uid, u32 gid);
int gfs2_quota_sync(struct gfs2_sbd *sdp);
-int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, uint32_t id);
+int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
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__ */