#include "xfs_rtalloc.h"
#include "xfs_error.h"
#include "xfs_rw.h"
-#include "xfs_acl.h"
#include "xfs_attr.h"
#include "xfs_buf_item.h"
#include "xfs_utils.h"
# define qdprintk(s, args...) do { } while (0)
#endif
-STATIC int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint);
-STATIC int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint,
- fs_disk_quota_t *);
-STATIC int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *);
-STATIC int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint,
- fs_disk_quota_t *);
-STATIC int xfs_qm_scall_quotaon(xfs_mount_t *, uint);
-STATIC int xfs_qm_scall_quotaoff(xfs_mount_t *, uint, boolean_t);
STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint);
STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *,
uint);
-STATIC uint xfs_qm_import_flags(uint);
STATIC uint xfs_qm_export_flags(uint);
-STATIC uint xfs_qm_import_qtype_flags(uint);
STATIC uint xfs_qm_export_qtype_flags(uint);
STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *,
fs_disk_quota_t *);
/*
- * The main distribution switch of all XFS quotactl system calls.
- */
-int
-xfs_qm_quotactl(
- struct bhv_desc *bdp,
- int cmd,
- int id,
- xfs_caddr_t addr)
-{
- xfs_mount_t *mp;
- bhv_vfs_t *vfsp;
- int error;
-
- vfsp = bhvtovfs(bdp);
- mp = XFS_VFSTOM(vfsp);
-
- ASSERT(addr != NULL || cmd == Q_XQUOTASYNC);
-
- /*
- * The following commands are valid even when quotaoff.
- */
- switch (cmd) {
- case Q_XQUOTARM:
- /*
- * Truncate quota files. quota must be off.
- */
- if (XFS_IS_QUOTA_ON(mp))
- return XFS_ERROR(EINVAL);
- if (vfsp->vfs_flag & VFS_RDONLY)
- return XFS_ERROR(EROFS);
- return (xfs_qm_scall_trunc_qfiles(mp,
- xfs_qm_import_qtype_flags(*(uint *)addr)));
-
- case Q_XGETQSTAT:
- /*
- * Get quota status information.
- */
- return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr));
-
- case Q_XQUOTAON:
- /*
- * QUOTAON - enabling quota enforcement.
- * Quota accounting must be turned on at mount time.
- */
- if (vfsp->vfs_flag & VFS_RDONLY)
- return XFS_ERROR(EROFS);
- return (xfs_qm_scall_quotaon(mp,
- xfs_qm_import_flags(*(uint *)addr)));
-
- case Q_XQUOTAOFF:
- if (vfsp->vfs_flag & VFS_RDONLY)
- return XFS_ERROR(EROFS);
- break;
-
- case Q_XQUOTASYNC:
- return (xfs_sync_inodes(mp, SYNC_DELWRI, NULL));
-
- default:
- break;
- }
-
- if (! XFS_IS_QUOTA_ON(mp))
- return XFS_ERROR(ESRCH);
-
- switch (cmd) {
- case Q_XQUOTAOFF:
- if (vfsp->vfs_flag & VFS_RDONLY)
- return XFS_ERROR(EROFS);
- error = xfs_qm_scall_quotaoff(mp,
- xfs_qm_import_flags(*(uint *)addr),
- B_FALSE);
- break;
-
- case Q_XGETQUOTA:
- error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER,
- (fs_disk_quota_t *)addr);
- break;
- case Q_XGETGQUOTA:
- error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
- (fs_disk_quota_t *)addr);
- break;
- case Q_XGETPQUOTA:
- error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ,
- (fs_disk_quota_t *)addr);
- break;
-
- case Q_XSETQLIM:
- if (vfsp->vfs_flag & VFS_RDONLY)
- return XFS_ERROR(EROFS);
- error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER,
- (fs_disk_quota_t *)addr);
- break;
- case Q_XSETGQLIM:
- if (vfsp->vfs_flag & VFS_RDONLY)
- return XFS_ERROR(EROFS);
- error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP,
- (fs_disk_quota_t *)addr);
- break;
- case Q_XSETPQLIM:
- if (vfsp->vfs_flag & VFS_RDONLY)
- return XFS_ERROR(EROFS);
- error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ,
- (fs_disk_quota_t *)addr);
- break;
-
- default:
- error = XFS_ERROR(EINVAL);
- break;
- }
-
- return (error);
-}
-
-/*
* Turn off quota accounting and/or enforcement for all udquots and/or
* gdquots. Called only at unmount time.
*
* incore, and modifies the ondisk dquot directly. Therefore, for example,
* it is an error to call this twice, without purging the cache.
*/
-STATIC int
+int
xfs_qm_scall_quotaoff(
xfs_mount_t *mp,
- uint flags,
- boolean_t force)
+ uint flags)
{
uint dqtype;
- unsigned long s;
int error;
uint inactivate_flags;
xfs_qoff_logitem_t *qoffstart;
int nculprits;
- if (!force && !capable(CAP_SYS_ADMIN))
- return XFS_ERROR(EPERM);
/*
* No file system can have quotas enabled on disk but not in core.
* Note that quota utilities (like quotaoff) _expect_
if ((flags & XFS_ALL_QUOTA_ACCT) == 0) {
mp->m_qflags &= ~(flags);
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
mp->m_sb.sb_qflags = mp->m_qflags;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
/* XXX what to do if error ? Revert back to old vals incore ? */
/*
* Write the LI_QUOTAOFF log record, and do SB changes atomically,
- * and synchronously.
+ * and synchronously. If we fail to write, we should abort the
+ * operation as it cannot be recovered safely if we crash.
*/
- xfs_qm_log_quotaoff(mp, &qoffstart, flags);
+ error = xfs_qm_log_quotaoff(mp, &qoffstart, flags);
+ if (error)
+ goto out_error;
/*
* Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct
* So, we have QUOTAOFF start and end logitems; the start
* logitem won't get overwritten until the end logitem appears...
*/
- xfs_qm_log_quotaoff_end(mp, qoffstart, flags);
+ error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags);
+ if (error) {
+ /* We're screwed now. Shutdown is the only option. */
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+ goto out_error;
+ }
/*
* If quotas is completely disabled, close shop.
* if we don't need them anymore.
*/
if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) {
- XFS_PURGE_INODE(XFS_QI_UQIP(mp));
+ IRELE(XFS_QI_UQIP(mp));
XFS_QI_UQIP(mp) = NULL;
}
if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) {
- XFS_PURGE_INODE(XFS_QI_GQIP(mp));
+ IRELE(XFS_QI_GQIP(mp));
XFS_QI_GQIP(mp) = NULL;
}
+out_error:
mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
return (error);
}
-STATIC int
+int
xfs_qm_scall_trunc_qfiles(
xfs_mount_t *mp,
uint flags)
{
- int error;
+ int error = 0, error2 = 0;
xfs_inode_t *qip;
- if (!capable(CAP_SYS_ADMIN))
- return XFS_ERROR(EPERM);
- error = 0;
- if (!XFS_SB_VERSION_HASQUOTA(&mp->m_sb) || flags == 0) {
+ if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) {
qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags);
return XFS_ERROR(EINVAL);
}
if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) {
error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0);
- if (! error) {
- (void) xfs_truncate_file(mp, qip);
- VN_RELE(XFS_ITOV(qip));
+ if (!error) {
+ error = xfs_truncate_file(mp, qip);
+ IRELE(qip);
}
}
if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) &&
mp->m_sb.sb_gquotino != NULLFSINO) {
- error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0);
- if (! error) {
- (void) xfs_truncate_file(mp, qip);
- VN_RELE(XFS_ITOV(qip));
+ error2 = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0);
+ if (!error2) {
+ error2 = xfs_truncate_file(mp, qip);
+ IRELE(qip);
}
}
- return (error);
+ return error ? error : error2;
}
* effect immediately.
* (Switching on quota accounting must be done at mount time.)
*/
-STATIC int
+int
xfs_qm_scall_quotaon(
xfs_mount_t *mp,
uint flags)
{
int error;
- unsigned long s;
uint qf;
uint accflags;
__int64_t sbflags;
- if (!capable(CAP_SYS_ADMIN))
- return XFS_ERROR(EPERM);
-
flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
/*
* Switching on quota accounting must be done at mount time.
* Change sb_qflags on disk but not incore mp->qflags
* if this is the root filesystem.
*/
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
qf = mp->m_sb.sb_qflags;
mp->m_sb.sb_qflags = qf | flags;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
/*
* There's nothing to change if it's the same.
/*
* Return quota status information, such as uquota-off, enforcements, etc.
*/
-STATIC int
+int
xfs_qm_scall_getqstat(
xfs_mount_t *mp,
fs_quota_stat_t *out)
memset(out, 0, sizeof(fs_quota_stat_t));
out->qs_version = FS_QSTAT_VERSION;
- if (! XFS_SB_VERSION_HASQUOTA(&mp->m_sb)) {
+ if (!xfs_sb_version_hasquota(&mp->m_sb)) {
out->qs_uquota.qfs_ino = NULLFSINO;
out->qs_gquota.qfs_ino = NULLFSINO;
return (0);
out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;
out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;
if (tempuqip)
- VN_RELE(XFS_ITOV(uip));
+ IRELE(uip);
}
if (gip) {
out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks;
out->qs_gquota.qfs_nextents = gip->i_d.di_nextents;
if (tempgqip)
- VN_RELE(XFS_ITOV(gip));
+ IRELE(gip);
}
if (mp->m_quotainfo) {
out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp);
/*
* Adjust quota limits, and start/stop timers accordingly.
*/
-STATIC int
+int
xfs_qm_scall_setqlim(
xfs_mount_t *mp,
xfs_dqid_t id,
int error;
xfs_qcnt_t hard, soft;
- if (!capable(CAP_SYS_ADMIN))
- return XFS_ERROR(EPERM);
-
if ((newlim->d_fieldmask &
(FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0)
return (0);
xfs_trans_log_dquot(tp, dqp);
xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT");
- xfs_trans_commit(tp, 0);
+ error = xfs_trans_commit(tp, 0);
xfs_qm_dqprint(dqp);
xfs_qm_dqrele(dqp);
mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
- return (0);
+ return error;
}
-STATIC int
+int
xfs_qm_scall_getquota(
xfs_mount_t *mp,
xfs_dqid_t id,
{
xfs_trans_t *tp;
int error;
- unsigned long s;
xfs_qoff_logitem_t *qoffi=NULL;
uint oldsbqflag=0;
qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT);
xfs_trans_log_quotaoff_item(tp, qoffi);
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
oldsbqflag = mp->m_sb.sb_qflags;
mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, XFS_SB_QFLAGS);
* No one else is modifying sb_qflags, so this is OK.
* We still hold the quotaofflock.
*/
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
mp->m_sb.sb_qflags = oldsbqflag;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
}
*qoffstartp = qoffi;
return (error);
* gets turned off. No need to confuse the user level code,
* so return zeroes in that case.
*/
- if (! XFS_IS_QUOTA_ENFORCED(mp)) {
+ if ((!XFS_IS_UQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_USER) ||
+ (!XFS_IS_OQUOTA_ENFORCED(mp) &&
+ (src->d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) {
dst->d_btimer = 0;
dst->d_itimer = 0;
dst->d_rtbtimer = 0;
}
#ifdef DEBUG
- if (XFS_IS_QUOTA_ENFORCED(mp) && dst->d_id != 0) {
+ if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == XFS_USER_QUOTA) ||
+ (XFS_IS_OQUOTA_ENFORCED(mp) &&
+ (dst->d_flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)))) &&
+ dst->d_id != 0) {
if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) &&
(dst->d_blk_softlimit > 0)) {
ASSERT(dst->d_btimer != 0);
}
STATIC uint
-xfs_qm_import_qtype_flags(
- uint uflags)
-{
- uint oflags = 0;
-
- /*
- * Can't be more than one, or none.
- */
- if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ==
- (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) ||
- ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) ==
- (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) ||
- ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) ==
- (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) ||
- ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0))
- return (0);
-
- oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0;
- oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0;
- oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0;
- return oflags;
-}
-
-STATIC uint
xfs_qm_export_qtype_flags(
uint flags)
{
}
STATIC uint
-xfs_qm_import_flags(
- uint uflags)
-{
- uint flags = 0;
-
- 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;
- return (flags);
-}
-
-
-STATIC uint
xfs_qm_export_flags(
uint flags)
{
}
+STATIC int
+xfs_dqrele_inode(
+ struct xfs_inode *ip,
+ struct xfs_perag *pag,
+ int flags)
+{
+ int error;
+
+ /* skip quota inodes */
+ if (ip == XFS_QI_UQIP(ip->i_mount) || ip == XFS_QI_GQIP(ip->i_mount)) {
+ ASSERT(ip->i_udquot == NULL);
+ ASSERT(ip->i_gdquot == NULL);
+ read_unlock(&pag->pag_ici_lock);
+ return 0;
+ }
+
+ error = xfs_sync_inode_valid(ip, pag);
+ if (error)
+ return error;
+
+ xfs_ilock(ip, XFS_ILOCK_EXCL);
+ if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) {
+ xfs_qm_dqrele(ip->i_udquot);
+ ip->i_udquot = NULL;
+ }
+ if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) {
+ xfs_qm_dqrele(ip->i_gdquot);
+ ip->i_gdquot = NULL;
+ }
+ xfs_iput(ip, XFS_ILOCK_EXCL);
+
+ return 0;
+}
+
+
/*
* Go thru all the inodes in the file system, releasing their dquots.
+ *
* Note that the mount structure gets modified to indicate that quotas are off
- * AFTER this, in the case of quotaoff. This also gets called from
- * xfs_rootumount.
+ * AFTER this, in the case of quotaoff.
*/
void
xfs_qm_dqrele_all_inodes(
struct xfs_mount *mp,
uint flags)
{
- xfs_inode_t *ip, *topino;
- uint ireclaims;
- bhv_vnode_t *vp;
- boolean_t vnode_refd;
-
ASSERT(mp->m_quotainfo);
-
- XFS_MOUNT_ILOCK(mp);
-again:
- ip = mp->m_inodes;
- if (ip == NULL) {
- XFS_MOUNT_IUNLOCK(mp);
- return;
- }
- do {
- /* Skip markers inserted by xfs_sync */
- if (ip->i_mount == NULL) {
- ip = ip->i_mnext;
- continue;
- }
- /* Root inode, rbmip and rsumip have associated blocks */
- if (ip == XFS_QI_UQIP(mp) || ip == XFS_QI_GQIP(mp)) {
- ASSERT(ip->i_udquot == NULL);
- ASSERT(ip->i_gdquot == NULL);
- ip = ip->i_mnext;
- continue;
- }
- vp = XFS_ITOV_NULL(ip);
- if (!vp) {
- ASSERT(ip->i_udquot == NULL);
- ASSERT(ip->i_gdquot == NULL);
- ip = ip->i_mnext;
- continue;
- }
- vnode_refd = B_FALSE;
- if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) {
- ireclaims = mp->m_ireclaims;
- topino = mp->m_inodes;
- vp = vn_grab(vp);
- if (!vp)
- goto again;
-
- XFS_MOUNT_IUNLOCK(mp);
- /* XXX restart limit ? */
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- vnode_refd = B_TRUE;
- } else {
- ireclaims = mp->m_ireclaims;
- topino = mp->m_inodes;
- XFS_MOUNT_IUNLOCK(mp);
- }
-
- /*
- * We don't keep the mountlock across the dqrele() call,
- * since it can take a while..
- */
- if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) {
- xfs_qm_dqrele(ip->i_udquot);
- ip->i_udquot = NULL;
- }
- if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) {
- xfs_qm_dqrele(ip->i_gdquot);
- ip->i_gdquot = NULL;
- }
- xfs_iunlock(ip, XFS_ILOCK_EXCL);
- /*
- * Wait until we've dropped the ilock and mountlock to
- * do the vn_rele. Or be condemned to an eternity in the
- * inactive code in hell.
- */
- if (vnode_refd)
- VN_RELE(vp);
- XFS_MOUNT_ILOCK(mp);
- /*
- * If an inode was inserted or removed, we gotta
- * start over again.
- */
- if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) {
- /* XXX use a sentinel */
- goto again;
- }
- ip = ip->i_mnext;
- } while (ip != mp->m_inodes);
-
- XFS_MOUNT_IUNLOCK(mp);
+ xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, XFS_ICI_NO_TAG);
}
/*------------------------------------------------------------------------*/
xfs_dqhash_t *qmtest_gdqtab;
int qmtest_hashmask;
int qmtest_nfails;
-mutex_t qcheck_lock;
+struct mutex qcheck_lock;
#define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \
(__psunsigned_t)(id)) & \
return (error);
}
- if (ip->i_d.di_mode == 0) {
- xfs_iput_new(ip, lock_flags);
- *res = BULKSTAT_RV_NOTHING;
- return XFS_ERROR(ENOENT);
- }
-
/*
* This inode can have blocks after eof which can get released
* when we send it to inactive. Since we don't check the dquot
for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
xfs_dqtest_cmp(d);
e = (xfs_dqtest_t *) d->HL_NEXT;
- kmem_free(d, sizeof(xfs_dqtest_t));
+ kmem_free(d);
d = e;
}
h1 = &qmtest_gdqtab[i];
for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
xfs_dqtest_cmp(d);
e = (xfs_dqtest_t *) d->HL_NEXT;
- kmem_free(d, sizeof(xfs_dqtest_t));
+ kmem_free(d);
d = e;
}
}
} else {
cmn_err(CE_DEBUG, "******** quotacheck successful! ********");
}
- kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t));
- kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t));
+ kmem_free(qmtest_udqtab);
+ kmem_free(qmtest_gdqtab);
mutex_unlock(&qcheck_lock);
return (qmtest_nfails);
}