303 lines
7.0 KiB
C
303 lines
7.0 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_format.h"
|
||
|
|
#include "xfs_log_format.h"
|
||
|
|
#include "xfs_trans_resv.h"
|
||
|
|
#include "xfs_mount.h"
|
||
|
|
#include "xfs_inode.h"
|
||
|
|
#include "xfs_quota.h"
|
||
|
|
#include "xfs_trans.h"
|
||
|
|
#include "xfs_trace.h"
|
||
|
|
#include "xfs_icache.h"
|
||
|
|
#include "xfs_qm.h"
|
||
|
|
#include <linux/quota.h>
|
||
|
|
|
||
|
|
|
||
|
|
static void
|
||
|
|
xfs_qm_fill_state(
|
||
|
|
struct qc_type_state *tstate,
|
||
|
|
struct xfs_mount *mp,
|
||
|
|
struct xfs_inode *ip,
|
||
|
|
xfs_ino_t ino)
|
||
|
|
{
|
||
|
|
struct xfs_quotainfo *q = mp->m_quotainfo;
|
||
|
|
bool tempqip = false;
|
||
|
|
|
||
|
|
tstate->ino = ino;
|
||
|
|
if (!ip && ino == NULLFSINO)
|
||
|
|
return;
|
||
|
|
if (!ip) {
|
||
|
|
if (xfs_iget(mp, NULL, ino, 0, 0, &ip))
|
||
|
|
return;
|
||
|
|
tempqip = true;
|
||
|
|
}
|
||
|
|
tstate->flags |= QCI_SYSFILE;
|
||
|
|
tstate->blocks = ip->i_d.di_nblocks;
|
||
|
|
tstate->nextents = ip->i_d.di_nextents;
|
||
|
|
tstate->spc_timelimit = q->qi_btimelimit;
|
||
|
|
tstate->ino_timelimit = q->qi_itimelimit;
|
||
|
|
tstate->rt_spc_timelimit = q->qi_rtbtimelimit;
|
||
|
|
tstate->spc_warnlimit = q->qi_bwarnlimit;
|
||
|
|
tstate->ino_warnlimit = q->qi_iwarnlimit;
|
||
|
|
tstate->rt_spc_warnlimit = q->qi_rtbwarnlimit;
|
||
|
|
if (tempqip)
|
||
|
|
IRELE(ip);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Return quota status information, such as enforcements, quota file inode
|
||
|
|
* numbers etc.
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
xfs_fs_get_quota_state(
|
||
|
|
struct super_block *sb,
|
||
|
|
struct qc_state *state)
|
||
|
|
{
|
||
|
|
struct xfs_mount *mp = XFS_M(sb);
|
||
|
|
struct xfs_quotainfo *q = mp->m_quotainfo;
|
||
|
|
|
||
|
|
memset(state, 0, sizeof(*state));
|
||
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
||
|
|
return 0;
|
||
|
|
state->s_incoredqs = q->qi_dquots;
|
||
|
|
if (XFS_IS_UQUOTA_RUNNING(mp))
|
||
|
|
state->s_state[USRQUOTA].flags |= QCI_ACCT_ENABLED;
|
||
|
|
if (XFS_IS_UQUOTA_ENFORCED(mp))
|
||
|
|
state->s_state[USRQUOTA].flags |= QCI_LIMITS_ENFORCED;
|
||
|
|
if (XFS_IS_GQUOTA_RUNNING(mp))
|
||
|
|
state->s_state[GRPQUOTA].flags |= QCI_ACCT_ENABLED;
|
||
|
|
if (XFS_IS_GQUOTA_ENFORCED(mp))
|
||
|
|
state->s_state[GRPQUOTA].flags |= QCI_LIMITS_ENFORCED;
|
||
|
|
if (XFS_IS_PQUOTA_RUNNING(mp))
|
||
|
|
state->s_state[PRJQUOTA].flags |= QCI_ACCT_ENABLED;
|
||
|
|
if (XFS_IS_PQUOTA_ENFORCED(mp))
|
||
|
|
state->s_state[PRJQUOTA].flags |= QCI_LIMITS_ENFORCED;
|
||
|
|
|
||
|
|
xfs_qm_fill_state(&state->s_state[USRQUOTA], mp, q->qi_uquotaip,
|
||
|
|
mp->m_sb.sb_uquotino);
|
||
|
|
xfs_qm_fill_state(&state->s_state[GRPQUOTA], mp, q->qi_gquotaip,
|
||
|
|
mp->m_sb.sb_gquotino);
|
||
|
|
xfs_qm_fill_state(&state->s_state[PRJQUOTA], mp, q->qi_pquotaip,
|
||
|
|
mp->m_sb.sb_pquotino);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#define XFS_QC_SETINFO_MASK (QC_TIMER_MASK | QC_WARNS_MASK)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Adjust quota timers & warnings
|
||
|
|
*/
|
||
|
|
static int
|
||
|
|
xfs_fs_set_info(
|
||
|
|
struct super_block *sb,
|
||
|
|
int type,
|
||
|
|
struct qc_info *info)
|
||
|
|
{
|
||
|
|
struct xfs_mount *mp = XFS_M(sb);
|
||
|
|
struct qc_dqblk newlim;
|
||
|
|
|
||
|
|
if (sb_rdonly(sb))
|
||
|
|
return -EROFS;
|
||
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
||
|
|
return -ENOSYS;
|
||
|
|
if (!XFS_IS_QUOTA_ON(mp))
|
||
|
|
return -ESRCH;
|
||
|
|
if (info->i_fieldmask & ~XFS_QC_SETINFO_MASK)
|
||
|
|
return -EINVAL;
|
||
|
|
if ((info->i_fieldmask & XFS_QC_SETINFO_MASK) == 0)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
newlim.d_fieldmask = info->i_fieldmask;
|
||
|
|
newlim.d_spc_timer = info->i_spc_timelimit;
|
||
|
|
newlim.d_ino_timer = info->i_ino_timelimit;
|
||
|
|
newlim.d_rt_spc_timer = info->i_rt_spc_timelimit;
|
||
|
|
newlim.d_ino_warns = info->i_ino_warnlimit;
|
||
|
|
newlim.d_spc_warns = info->i_spc_warnlimit;
|
||
|
|
newlim.d_rt_spc_warns = info->i_rt_spc_warnlimit;
|
||
|
|
|
||
|
|
return xfs_qm_scall_setqlim(mp, 0, xfs_quota_type(type), &newlim);
|
||
|
|
}
|
||
|
|
|
||
|
|
static unsigned int
|
||
|
|
xfs_quota_flags(unsigned int uflags)
|
||
|
|
{
|
||
|
|
unsigned int flags = 0;
|
||
|
|
|
||
|
|
if (uflags & FS_QUOTA_UDQ_ACCT)
|
||
|
|
flags |= XFS_UQUOTA_ACCT;
|
||
|
|
if (uflags & FS_QUOTA_PDQ_ACCT)
|
||
|
|
flags |= XFS_PQUOTA_ACCT;
|
||
|
|
if (uflags & FS_QUOTA_GDQ_ACCT)
|
||
|
|
flags |= XFS_GQUOTA_ACCT;
|
||
|
|
if (uflags & FS_QUOTA_UDQ_ENFD)
|
||
|
|
flags |= XFS_UQUOTA_ENFD;
|
||
|
|
if (uflags & FS_QUOTA_GDQ_ENFD)
|
||
|
|
flags |= XFS_GQUOTA_ENFD;
|
||
|
|
if (uflags & FS_QUOTA_PDQ_ENFD)
|
||
|
|
flags |= XFS_PQUOTA_ENFD;
|
||
|
|
|
||
|
|
return flags;
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC int
|
||
|
|
xfs_quota_enable(
|
||
|
|
struct super_block *sb,
|
||
|
|
unsigned int uflags)
|
||
|
|
{
|
||
|
|
struct xfs_mount *mp = XFS_M(sb);
|
||
|
|
|
||
|
|
if (sb_rdonly(sb))
|
||
|
|
return -EROFS;
|
||
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
||
|
|
return -ENOSYS;
|
||
|
|
|
||
|
|
return xfs_qm_scall_quotaon(mp, xfs_quota_flags(uflags));
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC int
|
||
|
|
xfs_quota_disable(
|
||
|
|
struct super_block *sb,
|
||
|
|
unsigned int uflags)
|
||
|
|
{
|
||
|
|
struct xfs_mount *mp = XFS_M(sb);
|
||
|
|
|
||
|
|
if (sb_rdonly(sb))
|
||
|
|
return -EROFS;
|
||
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
||
|
|
return -ENOSYS;
|
||
|
|
if (!XFS_IS_QUOTA_ON(mp))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
return xfs_qm_scall_quotaoff(mp, xfs_quota_flags(uflags));
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC int
|
||
|
|
xfs_fs_rm_xquota(
|
||
|
|
struct super_block *sb,
|
||
|
|
unsigned int uflags)
|
||
|
|
{
|
||
|
|
struct xfs_mount *mp = XFS_M(sb);
|
||
|
|
unsigned int flags = 0;
|
||
|
|
|
||
|
|
if (sb_rdonly(sb))
|
||
|
|
return -EROFS;
|
||
|
|
|
||
|
|
if (XFS_IS_QUOTA_ON(mp))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if (uflags & FS_USER_QUOTA)
|
||
|
|
flags |= XFS_DQ_USER;
|
||
|
|
if (uflags & FS_GROUP_QUOTA)
|
||
|
|
flags |= XFS_DQ_GROUP;
|
||
|
|
if (uflags & FS_PROJ_QUOTA)
|
||
|
|
flags |= XFS_DQ_PROJ;
|
||
|
|
|
||
|
|
return xfs_qm_scall_trunc_qfiles(mp, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC int
|
||
|
|
xfs_fs_get_dqblk(
|
||
|
|
struct super_block *sb,
|
||
|
|
struct kqid qid,
|
||
|
|
struct qc_dqblk *qdq)
|
||
|
|
{
|
||
|
|
struct xfs_mount *mp = XFS_M(sb);
|
||
|
|
xfs_dqid_t id;
|
||
|
|
|
||
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
||
|
|
return -ENOSYS;
|
||
|
|
if (!XFS_IS_QUOTA_ON(mp))
|
||
|
|
return -ESRCH;
|
||
|
|
|
||
|
|
id = from_kqid(&init_user_ns, qid);
|
||
|
|
return xfs_qm_scall_getquota(mp, &id,
|
||
|
|
xfs_quota_type(qid.type), qdq, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Return quota info for active quota >= this qid */
|
||
|
|
STATIC int
|
||
|
|
xfs_fs_get_nextdqblk(
|
||
|
|
struct super_block *sb,
|
||
|
|
struct kqid *qid,
|
||
|
|
struct qc_dqblk *qdq)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
struct xfs_mount *mp = XFS_M(sb);
|
||
|
|
xfs_dqid_t id;
|
||
|
|
|
||
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
||
|
|
return -ENOSYS;
|
||
|
|
if (!XFS_IS_QUOTA_ON(mp))
|
||
|
|
return -ESRCH;
|
||
|
|
|
||
|
|
id = from_kqid(&init_user_ns, *qid);
|
||
|
|
ret = xfs_qm_scall_getquota(mp, &id,
|
||
|
|
xfs_quota_type(qid->type), qdq,
|
||
|
|
XFS_QMOPT_DQNEXT);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
/* ID may be different, so convert back what we got */
|
||
|
|
*qid = make_kqid(current_user_ns(), qid->type, id);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
STATIC int
|
||
|
|
xfs_fs_set_dqblk(
|
||
|
|
struct super_block *sb,
|
||
|
|
struct kqid qid,
|
||
|
|
struct qc_dqblk *qdq)
|
||
|
|
{
|
||
|
|
struct xfs_mount *mp = XFS_M(sb);
|
||
|
|
|
||
|
|
if (sb_rdonly(sb))
|
||
|
|
return -EROFS;
|
||
|
|
if (!XFS_IS_QUOTA_RUNNING(mp))
|
||
|
|
return -ENOSYS;
|
||
|
|
if (!XFS_IS_QUOTA_ON(mp))
|
||
|
|
return -ESRCH;
|
||
|
|
|
||
|
|
return xfs_qm_scall_setqlim(mp, from_kqid(&init_user_ns, qid),
|
||
|
|
xfs_quota_type(qid.type), qdq);
|
||
|
|
}
|
||
|
|
|
||
|
|
const struct quotactl_ops xfs_quotactl_operations = {
|
||
|
|
.get_state = xfs_fs_get_quota_state,
|
||
|
|
.set_info = xfs_fs_set_info,
|
||
|
|
.quota_enable = xfs_quota_enable,
|
||
|
|
.quota_disable = xfs_quota_disable,
|
||
|
|
.rm_xquota = xfs_fs_rm_xquota,
|
||
|
|
.get_dqblk = xfs_fs_get_dqblk,
|
||
|
|
.get_nextdqblk = xfs_fs_get_nextdqblk,
|
||
|
|
.set_dqblk = xfs_fs_set_dqblk,
|
||
|
|
};
|