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path: root/fs/xfs/quota/xfs_qm_syscalls.c
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Diffstat (limited to 'fs/xfs/quota/xfs_qm_syscalls.c')
-rw-r--r--fs/xfs/quota/xfs_qm_syscalls.c165
1 files changed, 80 insertions, 85 deletions
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 5d0ee8d492d..92b002f1805 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -79,6 +79,7 @@ xfs_qm_scall_quotaoff(
xfs_mount_t *mp,
uint flags)
{
+ struct xfs_quotainfo *q = mp->m_quotainfo;
uint dqtype;
int error;
uint inactivate_flags;
@@ -102,11 +103,8 @@ xfs_qm_scall_quotaoff(
* critical thing.
* If quotaoff, then we must be dealing with the root filesystem.
*/
- ASSERT(mp->m_quotainfo);
- if (mp->m_quotainfo)
- mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
-
- ASSERT(mp->m_quotainfo);
+ ASSERT(q);
+ mutex_lock(&q->qi_quotaofflock);
/*
* If we're just turning off quota enforcement, change mp and go.
@@ -117,7 +115,7 @@ xfs_qm_scall_quotaoff(
spin_lock(&mp->m_sb_lock);
mp->m_sb.sb_qflags = mp->m_qflags;
spin_unlock(&mp->m_sb_lock);
- mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
+ mutex_unlock(&q->qi_quotaofflock);
/* XXX what to do if error ? Revert back to old vals incore ? */
error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS);
@@ -150,10 +148,8 @@ xfs_qm_scall_quotaoff(
* Nothing to do? Don't complain. This happens when we're just
* turning off quota enforcement.
*/
- if ((mp->m_qflags & flags) == 0) {
- mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
- return (0);
- }
+ if ((mp->m_qflags & flags) == 0)
+ goto out_unlock;
/*
* Write the LI_QUOTAOFF log record, and do SB changes atomically,
@@ -162,7 +158,7 @@ xfs_qm_scall_quotaoff(
*/
error = xfs_qm_log_quotaoff(mp, &qoffstart, flags);
if (error)
- goto out_error;
+ goto out_unlock;
/*
* Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct
@@ -204,7 +200,7 @@ xfs_qm_scall_quotaoff(
* So, if we couldn't purge all the dquots from the filesystem,
* we can't get rid of the incore data structures.
*/
- while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF)))
+ while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype)))
delay(10 * nculprits);
/*
@@ -222,7 +218,7 @@ xfs_qm_scall_quotaoff(
if (error) {
/* We're screwed now. Shutdown is the only option. */
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
- goto out_error;
+ goto out_unlock;
}
/*
@@ -230,27 +226,26 @@ xfs_qm_scall_quotaoff(
*/
if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) ||
((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) {
- mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
+ mutex_unlock(&q->qi_quotaofflock);
xfs_qm_destroy_quotainfo(mp);
return (0);
}
/*
- * Release our quotainode references, and vn_purge them,
- * if we don't need them anymore.
+ * Release our quotainode references if we don't need them anymore.
*/
- if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) {
- IRELE(XFS_QI_UQIP(mp));
- XFS_QI_UQIP(mp) = NULL;
+ if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) {
+ IRELE(q->qi_uquotaip);
+ q->qi_uquotaip = NULL;
}
- if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) {
- IRELE(XFS_QI_GQIP(mp));
- XFS_QI_GQIP(mp) = NULL;
+ if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) {
+ IRELE(q->qi_gquotaip);
+ q->qi_gquotaip = NULL;
}
-out_error:
- mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
- return (error);
+out_unlock:
+ mutex_unlock(&q->qi_quotaofflock);
+ return error;
}
int
@@ -379,9 +374,9 @@ xfs_qm_scall_quotaon(
/*
* Switch on quota enforcement in core.
*/
- mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
+ mutex_lock(&mp->m_quotainfo->qi_quotaofflock);
mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD);
- mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
+ mutex_unlock(&mp->m_quotainfo->qi_quotaofflock);
return (0);
}
@@ -392,11 +387,12 @@ xfs_qm_scall_quotaon(
*/
int
xfs_qm_scall_getqstat(
- xfs_mount_t *mp,
- fs_quota_stat_t *out)
+ struct xfs_mount *mp,
+ struct fs_quota_stat *out)
{
- xfs_inode_t *uip, *gip;
- boolean_t tempuqip, tempgqip;
+ struct xfs_quotainfo *q = mp->m_quotainfo;
+ struct xfs_inode *uip, *gip;
+ boolean_t tempuqip, tempgqip;
uip = gip = NULL;
tempuqip = tempgqip = B_FALSE;
@@ -415,9 +411,9 @@ xfs_qm_scall_getqstat(
out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;
out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
- if (mp->m_quotainfo) {
- uip = mp->m_quotainfo->qi_uquotaip;
- gip = mp->m_quotainfo->qi_gquotaip;
+ if (q) {
+ uip = q->qi_uquotaip;
+ gip = q->qi_gquotaip;
}
if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {
if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
@@ -441,17 +437,20 @@ xfs_qm_scall_getqstat(
if (tempgqip)
IRELE(gip);
}
- if (mp->m_quotainfo) {
- out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp);
- out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp);
- out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp);
- out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp);
- out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp);
- out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp);
+ if (q) {
+ out->qs_incoredqs = q->qi_dquots;
+ out->qs_btimelimit = q->qi_btimelimit;
+ out->qs_itimelimit = q->qi_itimelimit;
+ out->qs_rtbtimelimit = q->qi_rtbtimelimit;
+ out->qs_bwarnlimit = q->qi_bwarnlimit;
+ out->qs_iwarnlimit = q->qi_iwarnlimit;
}
- return (0);
+ return 0;
}
+#define XFS_DQ_MASK \
+ (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK)
+
/*
* Adjust quota limits, and start/stop timers accordingly.
*/
@@ -462,15 +461,17 @@ xfs_qm_scall_setqlim(
uint type,
fs_disk_quota_t *newlim)
{
+ struct xfs_quotainfo *q = mp->m_quotainfo;
xfs_disk_dquot_t *ddq;
xfs_dquot_t *dqp;
xfs_trans_t *tp;
int error;
xfs_qcnt_t hard, soft;
- if ((newlim->d_fieldmask &
- (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0)
- return (0);
+ if (newlim->d_fieldmask & ~XFS_DQ_MASK)
+ return EINVAL;
+ if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0)
+ return 0;
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128,
@@ -485,7 +486,7 @@ xfs_qm_scall_setqlim(
* a quotaoff from happening). (XXXThis doesn't currently happen
* because we take the vfslock before calling xfs_qm_sysent).
*/
- mutex_lock(&(XFS_QI_QOFFLOCK(mp)));
+ mutex_lock(&q->qi_quotaofflock);
/*
* Get the dquot (locked), and join it to the transaction.
@@ -493,9 +494,8 @@ xfs_qm_scall_setqlim(
*/
if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) {
xfs_trans_cancel(tp, XFS_TRANS_ABORT);
- mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
ASSERT(error != ENOENT);
- return (error);
+ goto out_unlock;
}
xfs_trans_dqjoin(tp, dqp);
ddq = &dqp->q_core;
@@ -513,8 +513,8 @@ xfs_qm_scall_setqlim(
ddq->d_blk_hardlimit = cpu_to_be64(hard);
ddq->d_blk_softlimit = cpu_to_be64(soft);
if (id == 0) {
- mp->m_quotainfo->qi_bhardlimit = hard;
- mp->m_quotainfo->qi_bsoftlimit = soft;
+ q->qi_bhardlimit = hard;
+ q->qi_bsoftlimit = soft;
}
} else {
qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft);
@@ -529,8 +529,8 @@ xfs_qm_scall_setqlim(
ddq->d_rtb_hardlimit = cpu_to_be64(hard);
ddq->d_rtb_softlimit = cpu_to_be64(soft);
if (id == 0) {
- mp->m_quotainfo->qi_rtbhardlimit = hard;
- mp->m_quotainfo->qi_rtbsoftlimit = soft;
+ q->qi_rtbhardlimit = hard;
+ q->qi_rtbsoftlimit = soft;
}
} else {
qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft);
@@ -546,8 +546,8 @@ xfs_qm_scall_setqlim(
ddq->d_ino_hardlimit = cpu_to_be64(hard);
ddq->d_ino_softlimit = cpu_to_be64(soft);
if (id == 0) {
- mp->m_quotainfo->qi_ihardlimit = hard;
- mp->m_quotainfo->qi_isoftlimit = soft;
+ q->qi_ihardlimit = hard;
+ q->qi_isoftlimit = soft;
}
} else {
qdprintk("ihard %Ld < isoft %Ld\n", hard, soft);
@@ -572,23 +572,23 @@ xfs_qm_scall_setqlim(
* for warnings.
*/
if (newlim->d_fieldmask & FS_DQ_BTIMER) {
- mp->m_quotainfo->qi_btimelimit = newlim->d_btimer;
+ q->qi_btimelimit = newlim->d_btimer;
ddq->d_btimer = cpu_to_be32(newlim->d_btimer);
}
if (newlim->d_fieldmask & FS_DQ_ITIMER) {
- mp->m_quotainfo->qi_itimelimit = newlim->d_itimer;
+ q->qi_itimelimit = newlim->d_itimer;
ddq->d_itimer = cpu_to_be32(newlim->d_itimer);
}
if (newlim->d_fieldmask & FS_DQ_RTBTIMER) {
- mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer;
+ q->qi_rtbtimelimit = newlim->d_rtbtimer;
ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer);
}
if (newlim->d_fieldmask & FS_DQ_BWARNS)
- mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns;
+ q->qi_bwarnlimit = newlim->d_bwarns;
if (newlim->d_fieldmask & FS_DQ_IWARNS)
- mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns;
+ q->qi_iwarnlimit = newlim->d_iwarns;
if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
- mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns;
+ q->qi_rtbwarnlimit = newlim->d_rtbwarns;
} else {
/*
* If the user is now over quota, start the timelimit.
@@ -605,8 +605,9 @@ xfs_qm_scall_setqlim(
error = xfs_trans_commit(tp, 0);
xfs_qm_dqprint(dqp);
xfs_qm_dqrele(dqp);
- mutex_unlock(&(XFS_QI_QOFFLOCK(mp)));
+ out_unlock:
+ mutex_unlock(&q->qi_quotaofflock);
return error;
}
@@ -853,7 +854,8 @@ xfs_dqrele_inode(
int error;
/* skip quota inodes */
- if (ip == XFS_QI_UQIP(ip->i_mount) || ip == XFS_QI_GQIP(ip->i_mount)) {
+ if (ip == ip->i_mount->m_quotainfo->qi_uquotaip ||
+ ip == ip->i_mount->m_quotainfo->qi_gquotaip) {
ASSERT(ip->i_udquot == NULL);
ASSERT(ip->i_gdquot == NULL);
read_unlock(&pag->pag_ici_lock);
@@ -891,7 +893,8 @@ xfs_qm_dqrele_all_inodes(
uint flags)
{
ASSERT(mp->m_quotainfo);
- xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, XFS_ICI_NO_TAG, 0);
+ xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags,
+ XFS_ICI_NO_TAG, 0, NULL);
}
/*------------------------------------------------------------------------*/
@@ -930,7 +933,8 @@ struct mutex qcheck_lock;
}
typedef struct dqtest {
- xfs_dqmarker_t q_lists;
+ uint dq_flags; /* various flags (XFS_DQ_*) */
+ struct list_head q_hashlist;
xfs_dqhash_t *q_hash; /* the hashchain header */
xfs_mount_t *q_mount; /* filesystem this relates to */
xfs_dqid_t d_id; /* user id or group id */
@@ -941,14 +945,9 @@ typedef struct dqtest {
STATIC void
xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp)
{
- xfs_dquot_t *d;
- if (((d) = (h)->qh_next))
- (d)->HL_PREVP = &((dqp)->HL_NEXT);
- (dqp)->HL_NEXT = d;
- (dqp)->HL_PREVP = &((h)->qh_next);
- (h)->qh_next = (xfs_dquot_t *)dqp;
- (h)->qh_version++;
- (h)->qh_nelems++;
+ list_add(&dqp->q_hashlist, &h->qh_list);
+ h->qh_version++;
+ h->qh_nelems++;
}
STATIC void
xfs_qm_dqtest_print(
@@ -1060,9 +1059,7 @@ xfs_qm_internalqcheck_dqget(
xfs_dqhash_t *h;
h = DQTEST_HASH(mp, id, type);
- for (d = (xfs_dqtest_t *) h->qh_next; d != NULL;
- d = (xfs_dqtest_t *) d->HL_NEXT) {
- /* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */
+ list_for_each_entry(d, &h->qh_list, q_hashlist) {
if (d->d_id == id && mp == d->q_mount) {
*O_dq = d;
return (0);
@@ -1073,6 +1070,7 @@ xfs_qm_internalqcheck_dqget(
d->d_id = id;
d->q_mount = mp;
d->q_hash = h;
+ INIT_LIST_HEAD(&d->q_hashlist);
xfs_qm_hashinsert(h, d);
*O_dq = d;
return (0);
@@ -1179,8 +1177,6 @@ xfs_qm_internalqcheck(
xfs_ino_t lastino;
int done, count;
int i;
- xfs_dqtest_t *d, *e;
- xfs_dqhash_t *h1;
int error;
lastino = 0;
@@ -1220,19 +1216,18 @@ xfs_qm_internalqcheck(
}
cmn_err(CE_DEBUG, "Checking results against system dquots");
for (i = 0; i < qmtest_hashmask; i++) {
- h1 = &qmtest_udqtab[i];
- for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
+ xfs_dqtest_t *d, *n;
+ xfs_dqhash_t *h;
+
+ h = &qmtest_udqtab[i];
+ list_for_each_entry_safe(d, n, &h->qh_list, q_hashlist) {
xfs_dqtest_cmp(d);
- e = (xfs_dqtest_t *) d->HL_NEXT;
kmem_free(d);
- d = e;
}
- h1 = &qmtest_gdqtab[i];
- for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
+ h = &qmtest_gdqtab[i];
+ list_for_each_entry_safe(d, n, &h->qh_list, q_hashlist) {
xfs_dqtest_cmp(d);
- e = (xfs_dqtest_t *) d->HL_NEXT;
kmem_free(d);
- d = e;
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-09-28 21:23:04 +0000