#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"
*/
void
xfs_qm_mount_quotas(
- xfs_mount_t *mp,
- int mfsi_flags)
+ xfs_mount_t *mp)
{
int error = 0;
uint sbf;
/*
* If any of the quotas are not consistent, do a quotacheck.
*/
- if (XFS_QM_NEED_QUOTACHECK(mp) &&
- !(mfsi_flags & XFS_MFSI_NO_QUOTACHECK)) {
+ if (XFS_QM_NEED_QUOTACHECK(mp)) {
error = xfs_qm_quotacheck(mp);
if (error) {
/* Quotacheck failed and disabled quotas. */
/*
* 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) {
- IRELE(uqp);
- mp->m_quotainfo->qi_uquotaip = NULL;
- }
- if (gqp) {
- IRELE(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
}
/*
- * 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,
/* 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
return error;
}
- spin_lock_init(&qinf->qi_pinlock);
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) {
* 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;
* 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;
}