fs/gfs2/lvb.c

   1 /*
   2  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
   3  * Copyright (C) 2004-2005 Red Hat, Inc.  All rights reserved.
   4  *
   5  * This copyrighted material is made available to anyone wishing to use,
   6  * modify, copy, or redistribute it subject to the terms and conditions
   7  * of the GNU General Public License v.2.
   8  */
   9
  10 #include <linux/sched.h>
  11 #include <linux/slab.h>
  12 #include <linux/spinlock.h>
  13 #include <linux/completion.h>
  14 #include <linux/buffer_head.h>
  15 #include <linux/gfs2_ondisk.h>
  16 #include <asm/semaphore.h>
  17
  18 #include "gfs2.h"
  19 #include "lm_interface.h"
  20 #include "incore.h"
  21 #include "lvb.h"
  22
  23 #define pv(struct, member, fmt) printk(KERN_INFO "  "#member" = "fmt"\n", \
  24                                        struct->member);
  25
  26 void gfs2_quota_lvb_in(struct gfs2_quota_lvb *qb, char *lvb)
  27 {
  28         struct gfs2_quota_lvb *str = (struct gfs2_quota_lvb *)lvb;
  29
  30         qb->qb_magic = be32_to_cpu(str->qb_magic);
  31         qb->qb_limit = be64_to_cpu(str->qb_limit);
  32         qb->qb_warn  = be64_to_cpu(str->qb_warn);
  33         qb->qb_value = be64_to_cpu(str->qb_value);
  34 }
  35
  36 void gfs2_quota_lvb_out(struct gfs2_quota_lvb *qb, char *lvb)
  37 {
  38         struct gfs2_quota_lvb *str = (struct gfs2_quota_lvb *)lvb;
  39
  40         str->qb_magic = cpu_to_be32(qb->qb_magic);
  41         str->qb_limit = cpu_to_be64(qb->qb_limit);
  42         str->qb_warn  = cpu_to_be64(qb->qb_warn);
  43         str->qb_value = cpu_to_be64(qb->qb_value);
  44 }
  45
  46 void gfs2_quota_lvb_print(struct gfs2_quota_lvb *qb)
  47 {
  48         pv(qb, qb_magic, "%u");
  49         pv(qb, qb_limit, "%llu");
  50         pv(qb, qb_warn, "%llu");
  51         pv(qb, qb_value, "%lld");
  52 }
  53