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Diffstat (limited to 'fs/gfs2/quota.h')
-rw-r--r--fs/gfs2/quota.h63
1 files changed, 45 insertions, 18 deletions
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index a8be1417051..55d506eb3c4 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -10,26 +10,53 @@
#ifndef __QUOTA_DOT_H__
#define __QUOTA_DOT_H__
+#include <linux/list_lru.h>
+
struct gfs2_inode;
struct gfs2_sbd;
-#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, u32 uid, u32 gid);
-void gfs2_quota_unlock(struct gfs2_inode *ip);
-
-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, 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);
+#define NO_UID_QUOTA_CHANGE INVALID_UID
+#define NO_GID_QUOTA_CHANGE INVALID_GID
+
+extern int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
+extern void gfs2_quota_unhold(struct gfs2_inode *ip);
+
+extern int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
+extern void gfs2_quota_unlock(struct gfs2_inode *ip);
+
+extern int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
+extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
+ kuid_t uid, kgid_t gid);
+
+extern int gfs2_quota_sync(struct super_block *sb, int type);
+extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, struct kqid qid);
+
+extern int gfs2_quota_init(struct gfs2_sbd *sdp);
+extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+extern int gfs2_quotad(void *data);
+
+extern void gfs2_wake_up_statfs(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_UID_QUOTA_CHANGE, NO_GID_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;
+}
+
+extern const struct quotactl_ops gfs2_quotactl_ops;
+extern struct shrinker gfs2_qd_shrinker;
+extern struct list_lru gfs2_qd_lru;
+extern void __init gfs2_quota_hash_init(void);
#endif /* __QUOTA_DOT_H__ */