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[XFS] Need to be able to reset sb_qflags if not mounting with quotas

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having previously mounted with quotas.

SGI-PV: 940491
SGI-Modid: xfs-linux:xfs-kern:23388a

Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Tim Shimmin 2005-09-05 08:24:10 +10:00 committed by Nathan Scott
parent 56d433e430
commit 4cd4a034a3
6 changed files with 95 additions and 76 deletions
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16
fs/xfs/quota/xfs_dquot.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@ -113,20 +113,6 @@ typedef struct xfs_dquot {
#define XFS_DQHOLD(dqp) ((dqp)->q_nrefs++)
/*
* Quota Accounting/Enforcement flags
*/
#define XFS_ALL_QUOTA_ACCT \
(XFS_UQUOTA_ACCT | XFS_GQUOTA_ACCT | XFS_PQUOTA_ACCT)
#define XFS_ALL_QUOTA_ENFD (XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD)
#define XFS_ALL_QUOTA_CHKD (XFS_UQUOTA_CHKD | XFS_OQUOTA_CHKD)
#define XFS_IS_QUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT)
#define XFS_IS_QUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ENFD)
#define XFS_IS_UQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT)
#define XFS_IS_PQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_PQUOTA_ACCT)
#define XFS_IS_GQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_GQUOTA_ACCT)
#ifdef DEBUG
static inline int
XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)

14
fs/xfs/quota/xfs_qm.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@ -365,16 +365,6 @@ xfs_qm_mount_quotas(
int error = 0;
uint sbf;
/*
* If a file system had quotas running earlier, but decided to
* mount without -o uquota/pquota/gquota options, revoke the
* quotachecked license, and bail out.
*/
if (! XFS_IS_QUOTA_ON(mp) &&
(mp->m_sb.sb_qflags & XFS_ALL_QUOTA_ACCT)) {
mp->m_qflags = 0;
goto write_changes;
}
/*
* If quotas on realtime volumes is not supported, we disable
@ -2002,7 +1992,7 @@ xfs_qm_quotacheck(
ASSERT(mp->m_quotainfo != NULL);
ASSERT(xfs_Gqm != NULL);
xfs_qm_destroy_quotainfo(mp);
xfs_mount_reset_sbqflags(mp);
(void)xfs_mount_reset_sbqflags(mp);
} else {
cmn_err(CE_NOTE, "XFS quotacheck %s: Done.", mp->m_fsname);
}

2
fs/xfs/quota/xfs_qm.h
View File

@ -184,8 +184,6 @@ typedef struct xfs_dquot_acct {
#define XFS_QM_HOLD(xqm) ((xqm)->qm_nrefs++)
#define XFS_QM_RELE(xqm) ((xqm)->qm_nrefs--)
extern void xfs_mount_reset_sbqflags(xfs_mount_t *);
extern void xfs_qm_destroy_quotainfo(xfs_mount_t *);
extern int xfs_qm_mount_quotas(xfs_mount_t *, int);
extern void xfs_qm_mount_quotainit(xfs_mount_t *, uint);

44
fs/xfs/quota/xfs_qm_bhv.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@ -229,48 +229,6 @@ xfs_qm_syncall(
return error;
}
/*
* Clear the quotaflags in memory and in the superblock.
*/
void
xfs_mount_reset_sbqflags(
xfs_mount_t *mp)
{
xfs_trans_t *tp;
unsigned long s;
mp->m_qflags = 0;
/*
* It is OK to look at sb_qflags here in mount path,
* without SB_LOCK.
*/
if (mp->m_sb.sb_qflags == 0)
return;
s = XFS_SB_LOCK(mp);
mp->m_sb.sb_qflags = 0;
XFS_SB_UNLOCK(mp, s);
/*
* if the fs is readonly, let the incore superblock run
* with quotas off but don't flush the update out to disk
*/
if (XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY)
return;
#ifdef QUOTADEBUG
xfs_fs_cmn_err(CE_NOTE, mp, "Writing superblock quota changes");
#endif
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE);
if (xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, 0,
XFS_DEFAULT_LOG_COUNT)) {
xfs_trans_cancel(tp, 0);
xfs_fs_cmn_err(CE_ALERT, mp,
"xfs_mount_reset_sbqflags: Superblock update failed!");
return;
}
xfs_mod_sb(tp, XFS_SB_QFLAGS);
xfs_trans_commit(tp, 0, NULL);
}
STATIC int
xfs_qm_newmount(
xfs_mount_t *mp,

78
fs/xfs/xfs_qmops.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@ -42,7 +42,8 @@
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_quota.h"
#include "xfs_error.h"
STATIC struct xfs_dquot *
xfs_dqvopchown_default(
@ -54,8 +55,79 @@ xfs_dqvopchown_default(
return NULL;
}
/*
* Clear the quotaflags in memory and in the superblock.
*/
int
xfs_mount_reset_sbqflags(xfs_mount_t *mp)
{
int error;
xfs_trans_t *tp;
unsigned long s;
mp->m_qflags = 0;
/*
* It is OK to look at sb_qflags here in mount path,
* without SB_LOCK.
*/
if (mp->m_sb.sb_qflags == 0)
return 0;
s = XFS_SB_LOCK(mp);
mp->m_sb.sb_qflags = 0;
XFS_SB_UNLOCK(mp, s);
/*
* if the fs is readonly, let the incore superblock run
* with quotas off but don't flush the update out to disk
*/
if (XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY)
return 0;
#ifdef QUOTADEBUG
xfs_fs_cmn_err(CE_NOTE, mp, "Writing superblock quota changes");
#endif
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE);
if ((error = xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, 0,
XFS_DEFAULT_LOG_COUNT))) {
xfs_trans_cancel(tp, 0);
xfs_fs_cmn_err(CE_ALERT, mp,
"xfs_mount_reset_sbqflags: Superblock update failed!");
return error;
}
xfs_mod_sb(tp, XFS_SB_QFLAGS);
error = xfs_trans_commit(tp, 0, NULL);
return error;
}
STATIC int
xfs_noquota_init(
xfs_mount_t *mp,
uint *needquotamount,
uint *quotaflags)
{
int error = 0;
*quotaflags = 0;
*needquotamount = B_FALSE;
ASSERT(!XFS_IS_QUOTA_ON(mp));
/*
* If a file system had quotas running earlier, but decided to
* mount without -o uquota/pquota/gquota options, revoke the
* quotachecked license.
*/
if (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_ACCT) {
cmn_err(CE_NOTE,
"XFS resetting qflags for filesystem %s",
mp->m_fsname);
error = xfs_mount_reset_sbqflags(mp);
}
return error;
}
xfs_qmops_t xfs_qmcore_stub = {
.xfs_qminit = (xfs_qminit_t) fs_noerr,
.xfs_qminit = (xfs_qminit_t) xfs_noquota_init,
.xfs_qmdone = (xfs_qmdone_t) fs_noerr,
.xfs_qmmount = (xfs_qmmount_t) fs_noerr,
.xfs_qmunmount = (xfs_qmunmount_t) fs_noerr,

17
fs/xfs/xfs_quota.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@ -159,6 +159,20 @@ typedef struct xfs_qoff_logformat {
#define XFS_OQUOTA_CHKD 0x0020 /* quotacheck run on other (grp/prj) quotas */
#define XFS_GQUOTA_ACCT 0x0040 /* group quota accounting ON */
/*
* Quota Accounting/Enforcement flags
*/
#define XFS_ALL_QUOTA_ACCT \
(XFS_UQUOTA_ACCT | XFS_GQUOTA_ACCT | XFS_PQUOTA_ACCT)
#define XFS_ALL_QUOTA_ENFD (XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD)
#define XFS_ALL_QUOTA_CHKD (XFS_UQUOTA_CHKD | XFS_OQUOTA_CHKD)
#define XFS_IS_QUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT)
#define XFS_IS_QUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ENFD)
#define XFS_IS_UQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT)
#define XFS_IS_PQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_PQUOTA_ACCT)
#define XFS_IS_GQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_GQUOTA_ACCT)
/*
* Incore only flags for quotaoff - these bits get cleared when quota(s)
* are in the process of getting turned off. These flags are in m_qflags but
@ -362,6 +376,7 @@ typedef struct xfs_dqtrxops {
f | XFS_QMOPT_RES_REGBLKS)
extern int xfs_qm_dqcheck(xfs_disk_dquot_t *, xfs_dqid_t, uint, uint, char *);
extern int xfs_mount_reset_sbqflags(struct xfs_mount *);
extern struct bhv_vfsops xfs_qmops;