mirror of
https://github.com/torvalds/linux.git
synced 2024-11-05 19:41:54 +00:00
a80a66caf8
* 'for-linus' of git://git.kernel.org/pub/scm/fs/xfs/xfs: xfs: fix xfs_quota remove error xfs: free temporary cursor in xfs_dialloc
160 lines
3.5 KiB
C
160 lines
3.5 KiB
C
/*
|
|
* Copyright (c) 2008, Christoph Hellwig
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#include "xfs.h"
|
|
#include "xfs_dmapi.h"
|
|
#include "xfs_sb.h"
|
|
#include "xfs_inum.h"
|
|
#include "xfs_ag.h"
|
|
#include "xfs_mount.h"
|
|
#include "xfs_quota.h"
|
|
#include "xfs_log.h"
|
|
#include "xfs_trans.h"
|
|
#include "xfs_bmap_btree.h"
|
|
#include "xfs_inode.h"
|
|
#include "quota/xfs_qm.h"
|
|
#include <linux/quota.h>
|
|
|
|
|
|
STATIC int
|
|
xfs_quota_type(int type)
|
|
{
|
|
switch (type) {
|
|
case USRQUOTA:
|
|
return XFS_DQ_USER;
|
|
case GRPQUOTA:
|
|
return XFS_DQ_GROUP;
|
|
default:
|
|
return XFS_DQ_PROJ;
|
|
}
|
|
}
|
|
|
|
STATIC int
|
|
xfs_fs_quota_sync(
|
|
struct super_block *sb,
|
|
int type)
|
|
{
|
|
struct xfs_mount *mp = XFS_M(sb);
|
|
|
|
if (sb->s_flags & MS_RDONLY)
|
|
return -EROFS;
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
|
return -ENOSYS;
|
|
return -xfs_sync_data(mp, 0);
|
|
}
|
|
|
|
STATIC int
|
|
xfs_fs_get_xstate(
|
|
struct super_block *sb,
|
|
struct fs_quota_stat *fqs)
|
|
{
|
|
struct xfs_mount *mp = XFS_M(sb);
|
|
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
|
return -ENOSYS;
|
|
return -xfs_qm_scall_getqstat(mp, fqs);
|
|
}
|
|
|
|
STATIC int
|
|
xfs_fs_set_xstate(
|
|
struct super_block *sb,
|
|
unsigned int uflags,
|
|
int op)
|
|
{
|
|
struct xfs_mount *mp = XFS_M(sb);
|
|
unsigned int flags = 0;
|
|
|
|
if (sb->s_flags & MS_RDONLY)
|
|
return -EROFS;
|
|
if (op != Q_XQUOTARM && !XFS_IS_QUOTA_RUNNING(mp))
|
|
return -ENOSYS;
|
|
if (!capable(CAP_SYS_ADMIN))
|
|
return -EPERM;
|
|
|
|
if (uflags & XFS_QUOTA_UDQ_ACCT)
|
|
flags |= XFS_UQUOTA_ACCT;
|
|
if (uflags & XFS_QUOTA_PDQ_ACCT)
|
|
flags |= XFS_PQUOTA_ACCT;
|
|
if (uflags & XFS_QUOTA_GDQ_ACCT)
|
|
flags |= XFS_GQUOTA_ACCT;
|
|
if (uflags & XFS_QUOTA_UDQ_ENFD)
|
|
flags |= XFS_UQUOTA_ENFD;
|
|
if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
|
|
flags |= XFS_OQUOTA_ENFD;
|
|
|
|
switch (op) {
|
|
case Q_XQUOTAON:
|
|
return -xfs_qm_scall_quotaon(mp, flags);
|
|
case Q_XQUOTAOFF:
|
|
if (!XFS_IS_QUOTA_ON(mp))
|
|
return -EINVAL;
|
|
return -xfs_qm_scall_quotaoff(mp, flags);
|
|
case Q_XQUOTARM:
|
|
if (XFS_IS_QUOTA_ON(mp))
|
|
return -EINVAL;
|
|
return -xfs_qm_scall_trunc_qfiles(mp, flags);
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
STATIC int
|
|
xfs_fs_get_xquota(
|
|
struct super_block *sb,
|
|
int type,
|
|
qid_t id,
|
|
struct fs_disk_quota *fdq)
|
|
{
|
|
struct xfs_mount *mp = XFS_M(sb);
|
|
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
|
return -ENOSYS;
|
|
if (!XFS_IS_QUOTA_ON(mp))
|
|
return -ESRCH;
|
|
|
|
return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq);
|
|
}
|
|
|
|
STATIC int
|
|
xfs_fs_set_xquota(
|
|
struct super_block *sb,
|
|
int type,
|
|
qid_t id,
|
|
struct fs_disk_quota *fdq)
|
|
{
|
|
struct xfs_mount *mp = XFS_M(sb);
|
|
|
|
if (sb->s_flags & MS_RDONLY)
|
|
return -EROFS;
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
|
return -ENOSYS;
|
|
if (!XFS_IS_QUOTA_ON(mp))
|
|
return -ESRCH;
|
|
if (!capable(CAP_SYS_ADMIN))
|
|
return -EPERM;
|
|
|
|
return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
|
|
}
|
|
|
|
const struct quotactl_ops xfs_quotactl_operations = {
|
|
.quota_sync = xfs_fs_quota_sync,
|
|
.get_xstate = xfs_fs_get_xstate,
|
|
.set_xstate = xfs_fs_set_xstate,
|
|
.get_xquota = xfs_fs_get_xquota,
|
|
.set_xquota = xfs_fs_set_xquota,
|
|
};
|