#include "xfs_bit.h"
#include "xfs_log.h"
#include "xfs_inum.h"
-#include "xfs_clnt.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
xfs_qm_list_destroy(&(xqm->qm_usr_dqhtable[i]));
xfs_qm_list_destroy(&(xqm->qm_grp_dqhtable[i]));
}
- kmem_free(xqm->qm_usr_dqhtable, hsize * sizeof(xfs_dqhash_t));
- kmem_free(xqm->qm_grp_dqhtable, hsize * sizeof(xfs_dqhash_t));
+ kmem_free(xqm->qm_usr_dqhtable);
+ kmem_free(xqm->qm_grp_dqhtable);
xqm->qm_usr_dqhtable = NULL;
xqm->qm_grp_dqhtable = NULL;
xqm->qm_dqhashmask = 0;
#ifdef DEBUG
mutex_destroy(&qcheck_lock);
#endif
- kmem_free(xqm, sizeof(xfs_qm_t));
+ kmem_free(xqm);
}
/*
* necessary data structures like quotainfo. This is also responsible for
* running a quotacheck as necessary. We are guaranteed that the superblock
* is consistently read in at this point.
+ *
+ * If we fail here, the mount will continue with quota turned off. We don't
+ * need to inidicate success or failure at all.
*/
-int
+void
xfs_qm_mount_quotas(
- xfs_mount_t *mp,
- int mfsi_flags)
+ xfs_mount_t *mp)
{
- unsigned long s;
int error = 0;
uint sbf;
-
/*
* If quotas on realtime volumes is not supported, we disable
* quotas immediately.
* Allocate the quotainfo structure inside the mount struct, and
* create quotainode(s), and change/rev superblock if necessary.
*/
- if ((error = xfs_qm_init_quotainfo(mp))) {
+ error = xfs_qm_init_quotainfo(mp);
+ if (error) {
/*
* We must turn off quotas.
*/
/*
* If any of the quotas are not consistent, do a quotacheck.
*/
- if (XFS_QM_NEED_QUOTACHECK(mp) &&
- !(mfsi_flags & XFS_MFSI_NO_QUOTACHECK)) {
- if ((error = xfs_qm_quotacheck(mp))) {
- /* Quotacheck has failed and quotas have
- * been disabled.
- */
- return XFS_ERROR(error);
+ if (XFS_QM_NEED_QUOTACHECK(mp)) {
+ error = xfs_qm_quotacheck(mp);
+ if (error) {
+ /* Quotacheck failed and disabled quotas. */
+ return;
}
}
/*
* quotachecked status, since we won't be doing accounting for
* that type anymore.
*/
- if (!XFS_IS_UQUOTA_ON(mp)) {
+ if (!XFS_IS_UQUOTA_ON(mp))
mp->m_qflags &= ~XFS_UQUOTA_CHKD;
- }
- if (!(XFS_IS_GQUOTA_ON(mp) || XFS_IS_PQUOTA_ON(mp))) {
+ if (!(XFS_IS_GQUOTA_ON(mp) || XFS_IS_PQUOTA_ON(mp)))
mp->m_qflags &= ~XFS_OQUOTA_CHKD;
- }
write_changes:
/*
- * We actually don't have to acquire the SB_LOCK at all.
+ * We actually don't have to acquire the m_sb_lock at all.
* This can only be called from mount, and that's single threaded. XXX
*/
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
sbf = mp->m_sb.sb_qflags;
mp->m_sb.sb_qflags = mp->m_qflags & XFS_MOUNT_QUOTA_ALL;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) {
if (xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS)) {
xfs_fs_cmn_err(CE_WARN, mp,
"Failed to initialize disk quotas.");
}
- return XFS_ERROR(error);
+ return;
}
/*
* Called from the vfsops layer.
*/
-int
+void
xfs_qm_unmount_quotas(
xfs_mount_t *mp)
{
- xfs_inode_t *uqp, *gqp;
- int error = 0;
-
/*
* Release the dquots that root inode, et al might be holding,
* before we flush quotas and blow away the quotainfo structure.
xfs_qm_dqdetach(mp->m_rsumip);
/*
- * Flush out the quota inodes.
+ * Release the quota inodes.
*/
- uqp = gqp = NULL;
if (mp->m_quotainfo) {
- if ((uqp = mp->m_quotainfo->qi_uquotaip) != NULL) {
- xfs_ilock(uqp, XFS_ILOCK_EXCL);
- xfs_iflock(uqp);
- error = xfs_iflush(uqp, XFS_IFLUSH_SYNC);
- xfs_iunlock(uqp, XFS_ILOCK_EXCL);
- if (unlikely(error == EFSCORRUPTED)) {
- XFS_ERROR_REPORT("xfs_qm_unmount_quotas(1)",
- XFS_ERRLEVEL_LOW, mp);
- goto out;
- }
+ if (mp->m_quotainfo->qi_uquotaip) {
+ IRELE(mp->m_quotainfo->qi_uquotaip);
+ mp->m_quotainfo->qi_uquotaip = NULL;
}
- if ((gqp = mp->m_quotainfo->qi_gquotaip) != NULL) {
- xfs_ilock(gqp, XFS_ILOCK_EXCL);
- xfs_iflock(gqp);
- error = xfs_iflush(gqp, XFS_IFLUSH_SYNC);
- xfs_iunlock(gqp, XFS_ILOCK_EXCL);
- if (unlikely(error == EFSCORRUPTED)) {
- XFS_ERROR_REPORT("xfs_qm_unmount_quotas(2)",
- XFS_ERRLEVEL_LOW, mp);
- goto out;
- }
+ if (mp->m_quotainfo->qi_gquotaip) {
+ IRELE(mp->m_quotainfo->qi_gquotaip);
+ mp->m_quotainfo->qi_gquotaip = NULL;
}
}
- if (uqp) {
- XFS_PURGE_INODE(uqp);
- mp->m_quotainfo->qi_uquotaip = NULL;
- }
- if (gqp) {
- XFS_PURGE_INODE(gqp);
- mp->m_quotainfo->qi_gquotaip = NULL;
- }
-out:
- return XFS_ERROR(error);
}
/*
xfs_dqtrace_entry(dqp, "FLUSHALL: DQDIRTY");
/* XXX a sentinel would be better */
recl = XFS_QI_MPLRECLAIMS(mp);
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
/*
* If we can't grab the flush lock then check
* to see if the dquot has been flushed delayed
* freelist in INACTIVE state.
*/
nextdqp = dqp->MPL_NEXT;
- nmisses += xfs_qm_dqpurge(dqp, flags);
+ nmisses += xfs_qm_dqpurge(dqp);
dqp = nextdqp;
}
xfs_qm_mplist_unlock(mp);
xfs_dquot_t *dqp;
int error;
- ASSERT(XFS_ISLOCKED_INODE_EXCL(ip));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
error = 0;
/*
* See if we already have it in the inode itself. IO_idqpp is
return 0;
ASSERT((flags & XFS_QMOPT_ILOCKED) == 0 ||
- XFS_ISLOCKED_INODE_EXCL(ip));
+ xfs_isilocked(ip, XFS_ILOCK_EXCL));
if (! (flags & XFS_QMOPT_ILOCKED))
xfs_ilock(ip, XFS_ILOCK_EXCL);
goto done;
nquotas++;
}
- ASSERT(XFS_ISLOCKED_INODE_EXCL(ip));
+
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
if (XFS_IS_OQUOTA_ON(mp)) {
error = XFS_IS_GQUOTA_ON(mp) ?
xfs_qm_dqattach_one(ip, ip->i_d.di_gid, XFS_DQ_GROUP,
* This WON'T, in general, result in a thrash.
*/
if (nquotas == 2) {
- ASSERT(XFS_ISLOCKED_INODE_EXCL(ip));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(ip->i_udquot);
ASSERT(ip->i_gdquot);
#ifdef QUOTADEBUG
else
- ASSERT(XFS_ISLOCKED_INODE_EXCL(ip));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
#endif
return error;
}
}
/*
- * This is called by VFS_SYNC and flags arg determines the caller,
- * and its motives, as done in xfs_sync.
- *
- * vfs_sync: SYNC_FSDATA|SYNC_ATTR|SYNC_BDFLUSH 0x31
- * syscall sync: SYNC_FSDATA|SYNC_ATTR|SYNC_DELWRI 0x25
- * umountroot : SYNC_WAIT | SYNC_CLOSE | SYNC_ATTR | SYNC_FSDATA
+ * This is called to sync quotas. We can be told to use non-blocking
+ * semantics by either the SYNC_BDFLUSH flag or the absence of the
+ * SYNC_WAIT flag.
*/
-
int
xfs_qm_sync(
xfs_mount_t *mp,
boolean_t nowait;
int error;
+ if (! XFS_IS_QUOTA_ON(mp))
+ return 0;
+
restarts = 0;
/*
* We won't block unless we are asked to.
/* XXX a sentinel would be better */
recl = XFS_QI_MPLRECLAIMS(mp);
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
if (nowait) {
xfs_dqunlock(dqp);
continue;
return 0;
}
+/*
+ * The hash chains and the mplist use the same xfs_dqhash structure as
+ * their list head, but we can take the mplist qh_lock and one of the
+ * hash qh_locks at the same time without any problem as they aren't
+ * related.
+ */
+static struct lock_class_key xfs_quota_mplist_class;
/*
* This initializes all the quota information that's kept in the
* and change the superblock accordingly.
*/
if ((error = xfs_qm_init_quotainos(mp))) {
- kmem_free(qinf, sizeof(xfs_quotainfo_t));
+ kmem_free(qinf);
mp->m_quotainfo = NULL;
return error;
}
- spinlock_init(&qinf->qi_pinlock, "xfs_qinf_pin");
xfs_qm_list_init(&qinf->qi_dqlist, "mpdqlist", 0);
+ lockdep_set_class(&qinf->qi_dqlist.qh_lock, &xfs_quota_mplist_class);
+
qinf->qi_dqreclaims = 0;
/* mutex used to serialize quotaoffs */
*/
xfs_qm_rele_quotafs_ref(mp);
- spinlock_destroy(&qi->qi_pinlock);
xfs_qm_list_destroy(&qi->qi_dqlist);
if (qi->qi_uquotaip) {
- XFS_PURGE_INODE(qi->qi_uquotaip);
+ IRELE(qi->qi_uquotaip);
qi->qi_uquotaip = NULL; /* paranoia */
}
if (qi->qi_gquotaip) {
- XFS_PURGE_INODE(qi->qi_gquotaip);
+ IRELE(qi->qi_gquotaip);
qi->qi_gquotaip = NULL;
}
mutex_destroy(&qi->qi_quotaofflock);
- kmem_free(qi, sizeof(xfs_quotainfo_t));
+ kmem_free(qi);
mp->m_quotainfo = NULL;
}
xfs_mount_t *mp;
xfs_dquot_t *udqp, *gdqp;
- ASSERT(XFS_ISLOCKED_INODE_EXCL(ip));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
mp = ip->i_mount;
udqp = NULL;
gdqp = NULL;
{
xfs_trans_t *tp;
int error;
- unsigned long s;
int committed;
tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QINOCREATE);
* Keep an extra reference to this quota inode. This inode is
* locked exclusively and joined to the transaction already.
*/
- ASSERT(XFS_ISLOCKED_INODE_EXCL(*ip));
- VN_HOLD(XFS_ITOV((*ip)));
+ ASSERT(xfs_isilocked(*ip, XFS_ILOCK_EXCL));
+ IHOLD(*ip);
/*
* Make the changes in the superblock, and log those too.
* sbfields arg may contain fields other than *QUOTINO;
* VERSIONNUM for example.
*/
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
if (flags & XFS_QMOPT_SBVERSION) {
#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
unsigned oldv = mp->m_sb.sb_versionnum;
#endif
- ASSERT(!XFS_SB_VERSION_HASQUOTA(&mp->m_sb));
+ ASSERT(!xfs_sb_version_hasquota(&mp->m_sb));
ASSERT((sbfields & (XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
XFS_SB_GQUOTINO | XFS_SB_QFLAGS)) ==
(XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
XFS_SB_GQUOTINO | XFS_SB_QFLAGS));
- XFS_SB_VERSION_ADDQUOTA(&mp->m_sb);
+ xfs_sb_version_addquota(&mp->m_sb);
mp->m_sb.sb_uquotino = NULLFSINO;
mp->m_sb.sb_gquotino = NULLFSINO;
mp->m_sb.sb_uquotino = (*ip)->i_ino;
else
mp->m_sb.sb_gquotino = (*ip)->i_ino;
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, sbfields);
if ((error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES))) {
}
-STATIC int
+STATIC void
xfs_qm_reset_dqcounts(
xfs_mount_t *mp,
xfs_buf_t *bp,
ddq->d_rtbwarns = 0;
ddq = (xfs_disk_dquot_t *) ((xfs_dqblk_t *)ddq + 1);
}
-
- return 0;
}
STATIC int
if (error)
break;
- (void) xfs_qm_reset_dqcounts(mp, bp, firstid, type);
+ xfs_qm_reset_dqcounts(mp, bp, firstid, type);
xfs_bdwrite(mp, bp);
/*
* goto the next block.
break;
} while (nmaps > 0);
- kmem_free(map, XFS_DQITER_MAP_SIZE * sizeof(*map));
+ kmem_free(map);
return error;
}
* Adjust the inode count and the block count to reflect this inode's
* resource usage.
*/
- be64_add(&dqp->q_core.d_icount, 1);
+ be64_add_cpu(&dqp->q_core.d_icount, 1);
dqp->q_res_icount++;
if (nblks) {
- be64_add(&dqp->q_core.d_bcount, nblks);
+ be64_add_cpu(&dqp->q_core.d_bcount, nblks);
dqp->q_res_bcount += nblks;
}
if (rtblks) {
- be64_add(&dqp->q_core.d_rtbcount, rtblks);
+ be64_add_cpu(&dqp->q_core.d_rtbcount, rtblks);
dqp->q_res_rtbcount += rtblks;
}
return error;
}
- if (ip->i_d.di_mode == 0) {
- xfs_iput_new(ip, XFS_ILOCK_EXCL);
- *res = BULKSTAT_RV_NOTHING;
- return XFS_ERROR(ENOENT);
- }
-
/*
* Obtain the locked dquots. In case of an error (eg. allocation
* fails for ENOSPC), we return the negative of the error number
* Now release the inode. This will send it to 'inactive', and
* possibly even free blocks.
*/
- VN_RELE(XFS_ITOV(ip));
+ IRELE(ip);
/*
* Goto next inode.
} while (! done);
/*
+ * We've made all the changes that we need to make incore.
+ * Flush them down to disk buffers if everything was updated
+ * successfully.
+ */
+ if (!error)
+ error = xfs_qm_dqflush_all(mp, XFS_QMOPT_DELWRI);
+
+ /*
* We can get this error if we couldn't do a dquot allocation inside
* xfs_qm_dqusage_adjust (via bulkstat). We don't care about the
* dirty dquots that might be cached, we just want to get rid of them
xfs_qm_dqpurge_all(mp, XFS_QMOPT_QUOTALL | XFS_QMOPT_QUOTAOFF);
goto error_return;
}
- /*
- * We've made all the changes that we need to make incore.
- * Now flush_them down to disk buffers.
- */
- xfs_qm_dqflush_all(mp, XFS_QMOPT_DELWRI);
/*
* We didn't log anything, because if we crashed, we'll have to
ASSERT(mp->m_quotainfo != NULL);
ASSERT(xfs_Gqm != NULL);
xfs_qm_destroy_quotainfo(mp);
- (void)xfs_mount_reset_sbqflags(mp);
+ if (xfs_mount_reset_sbqflags(mp)) {
+ cmn_err(CE_WARN, "XFS quotacheck %s: "
+ "Failed to reset quota flags.", mp->m_fsname);
+ }
} else {
cmn_err(CE_NOTE, "XFS quotacheck %s: Done.", mp->m_fsname);
}
/*
* Get the uquota and gquota inodes
*/
- if (XFS_SB_VERSION_HASQUOTA(&mp->m_sb)) {
+ if (xfs_sb_version_hasquota(&mp->m_sb)) {
if (XFS_IS_UQUOTA_ON(mp) &&
mp->m_sb.sb_uquotino != NULLFSINO) {
ASSERT(mp->m_sb.sb_uquotino > 0);
if ((error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
0, 0, &gip, 0))) {
if (uip)
- VN_RELE(XFS_ITOV(uip));
+ IRELE(uip);
return XFS_ERROR(error);
}
}
sbflags | XFS_SB_GQUOTINO, flags);
if (error) {
if (uip)
- VN_RELE(XFS_ITOV(uip));
+ IRELE(uip);
return XFS_ERROR(error);
}
* Try to grab the flush lock. If this dquot is in the process of
* getting flushed to disk, we don't want to reclaim it.
*/
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
xfs_dqunlock(dqp);
dqp = dqp->dq_flnext;
continue;
* dirty dquots.
*/
if (XFS_DQ_IS_DIRTY(dqp)) {
+ int error;
xfs_dqtrace_entry(dqp, "DQSHAKE: DQDIRTY");
/*
* We flush it delayed write, so don't bother
* releasing the mplock.
*/
- (void) xfs_qm_dqflush(dqp, XFS_QMOPT_DELWRI);
+ error = xfs_qm_dqflush(dqp, XFS_QMOPT_DELWRI);
+ if (error) {
+ xfs_fs_cmn_err(CE_WARN, dqp->q_mount,
+ "xfs_qm_dqflush_all: dquot %p flush failed", dqp);
+ }
xfs_dqunlock(dqp); /* dqflush unlocks dqflock */
dqp = dqp->dq_flnext;
continue;
* Try to grab the flush lock. If this dquot is in the process of
* getting flushed to disk, we don't want to reclaim it.
*/
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
xfs_dqunlock(dqp);
continue;
}
* dirty dquots.
*/
if (XFS_DQ_IS_DIRTY(dqp)) {
+ int error;
xfs_dqtrace_entry(dqp, "DQRECLAIM: DQDIRTY");
/*
* We flush it delayed write, so don't bother
* releasing the freelist lock.
*/
- (void) xfs_qm_dqflush(dqp, XFS_QMOPT_DELWRI);
+ error = xfs_qm_dqflush(dqp, XFS_QMOPT_DELWRI);
+ if (error) {
+ xfs_fs_cmn_err(CE_WARN, dqp->q_mount,
+ "xfs_qm_dqreclaim: dquot %p flush failed", dqp);
+ }
xfs_dqunlock(dqp); /* dqflush unlocks dqflock */
continue;
}
}
xfs_mod_sb(tp, flags);
- (void) xfs_trans_commit(tp, 0);
+ error = xfs_trans_commit(tp, 0);
- return 0;
+ return error;
}
lockflags = XFS_ILOCK_EXCL;
xfs_ilock(ip, lockflags);
- if ((flags & XFS_QMOPT_INHERIT) &&
- XFS_INHERIT_GID(ip, XFS_MTOVFS(mp)))
+ if ((flags & XFS_QMOPT_INHERIT) && XFS_INHERIT_GID(ip))
gid = ip->i_d.di_gid;
/*
uint bfield = XFS_IS_REALTIME_INODE(ip) ?
XFS_TRANS_DQ_RTBCOUNT : XFS_TRANS_DQ_BCOUNT;
- ASSERT(XFS_ISLOCKED_INODE_EXCL(ip));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(XFS_IS_QUOTA_RUNNING(ip->i_mount));
/* old dquot */
uint delblks, blkflags, prjflags = 0;
xfs_dquot_t *unresudq, *unresgdq, *delblksudq, *delblksgdq;
- ASSERT(XFS_ISLOCKED_INODE(ip));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
mp = ip->i_mount;
ASSERT(XFS_IS_QUOTA_RUNNING(mp));
if (!XFS_IS_QUOTA_ON(tp->t_mountp))
return;
- ASSERT(XFS_ISLOCKED_INODE_EXCL(ip));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(XFS_IS_QUOTA_RUNNING(tp->t_mountp));
if (udqp) {