nfsd4: reshuffle lease-setting code to allow reuse

[safe/jmp/linux-2.6] / fs / gfs2 / quota.h

diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 005529f..e271fa0 100644 (file)
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -1,34 +1,57 @@
 /*
  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2005 Red Hat, Inc.  All rights reserved.
+ * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
  *
  * 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)
-
-int gfs2_quota_hold(struct gfs2_inode *ip, uint32_t uid, uint32_t gid);
-void gfs2_quota_unhold(struct gfs2_inode *ip);
-
-int gfs2_quota_lock(struct gfs2_inode *ip, uint32_t uid, uint32_t 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_sync(struct gfs2_sbd *sdp);
-int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, uint32_t id);
-int gfs2_quota_read(struct gfs2_sbd *sdp, int user, uint32_t id,
-                   struct gfs2_quota *q);
-
-int gfs2_quota_init(struct gfs2_sbd *sdp);
-void gfs2_quota_scan(struct gfs2_sbd *sdp);
-void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+struct gfs2_inode;
+struct gfs2_sbd;
+
+#define NO_QUOTA_CHANGE ((u32)-1)
+
+extern int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_unhold(struct gfs2_inode *ip);
+
+extern int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_unlock(struct gfs2_inode *ip);
+
+extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
+                             u32 uid, u32 gid);
+
+extern int gfs2_quota_sync(struct super_block *sb, int type);
+extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
+
+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_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;
+}
+
+extern int gfs2_shrink_qd_memory(int nr, gfp_t gfp_mask);
+extern const struct quotactl_ops gfs2_quotactl_ops;
 
 #endif /* __QUOTA_DOT_H__ */