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[XFS] Add a mechanism for XFS to use the generic quota sync method.

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This is now used to issue a delayed allocation flush before reporting
quota, which allows the used space quota report to match reality.

Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott
2005-11-03 13:53:34 +11:00
parent a2f8e178ad
commit de69e5f44e
2 changed files with 8 additions and 1 deletions
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8
fs/quota.c
View File

@ -118,6 +118,10 @@ static int xqm_quotactl_valid(struct super_block *sb, int type, int cmd, qid_t i
if (!sb->s_qcop->get_xquota) if (!sb->s_qcop->get_xquota)
return -ENOSYS; return -ENOSYS;
break; break;
case Q_XQUOTASYNC:
if (!sb->s_qcop->quota_sync)
return -ENOSYS;
break;
default: default:
return -EINVAL; return -EINVAL;
} }
@ -128,7 +132,7 @@ static int xqm_quotactl_valid(struct super_block *sb, int type, int cmd, qid_t i
(type == XQM_GRPQUOTA && !in_egroup_p(id))) && (type == XQM_GRPQUOTA && !in_egroup_p(id))) &&
!capable(CAP_SYS_ADMIN)) !capable(CAP_SYS_ADMIN))
return -EPERM; return -EPERM;
} else if (cmd != Q_XGETQSTAT) { } else if (cmd != Q_XGETQSTAT && cmd != Q_XQUOTASYNC) {
if (!capable(CAP_SYS_ADMIN)) if (!capable(CAP_SYS_ADMIN))
return -EPERM; return -EPERM;
} }
@ -322,6 +326,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void
return -EFAULT; return -EFAULT;
return 0; return 0;
} }
case Q_XQUOTASYNC:
return sb->s_qcop->quota_sync(sb, type);
/* We never reach here unless validity check is broken */ /* We never reach here unless validity check is broken */
default: default:
BUG(); BUG();

1
include/linux/dqblk_xfs.h
View File

@ -37,6 +37,7 @@
#define Q_XSETQLIM XQM_CMD(4) /* set disk limits */ #define Q_XSETQLIM XQM_CMD(4) /* set disk limits */
#define Q_XGETQSTAT XQM_CMD(5) /* get quota subsystem status */ #define Q_XGETQSTAT XQM_CMD(5) /* get quota subsystem status */
#define Q_XQUOTARM XQM_CMD(6) /* free disk space used by dquots */ #define Q_XQUOTARM XQM_CMD(6) /* free disk space used by dquots */
#define Q_XQUOTASYNC XQM_CMD(7) /* delalloc flush, updates dquots */
/* /*
* fs_disk_quota structure: * fs_disk_quota structure: