The patch titled
Subject: ocfs2: without quota support, avoid calling quota recovery
has been added to the -mm tree. Its filename is
ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery.patch
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------------------------------------------------------
From: Guozhonghua <guozhonghua@xxxxxxx>
Subject: ocfs2: without quota support, avoid calling quota recovery
During one dead node's recovery by other node, quota recovery work will be
queued. We should avoid calling quota when it is not supported, so check
the quota flags.
Link: http://lkml.kernel.org/r/71604351584F6A4EBAE558C676F37CA401071AC9FB@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: guozhonghua <guozhonghua@xxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Joseph Qi <jiangqi903@xxxxxxxxx>
Cc: Changwei Ge <ge.changwei@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/journal.c | 51 ++++++++++++++++++++++++++++---------------
1 file changed, 34 insertions(+), 17 deletions(-)
diff -puN fs/ocfs2/journal.c~ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery fs/ocfs2/journal.c
--- a/fs/ocfs2/journal.c~ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery
+++ a/fs/ocfs2/journal.c
@@ -1378,15 +1378,23 @@ static int __ocfs2_recovery_thread(void
int rm_quota_used = 0, i;
struct ocfs2_quota_recovery *qrec;
+ /* Whether the quota supported. */
+ int quota_enabled = OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb,
+ OCFS2_FEATURE_RO_COMPAT_USRQUOTA)
+ || OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb,
+ OCFS2_FEATURE_RO_COMPAT_GRPQUOTA);
+
status = ocfs2_wait_on_mount(osb);
if (status < 0) {
goto bail;
}
- rm_quota = kzalloc(osb->max_slots * sizeof(int), GFP_NOFS);
- if (!rm_quota) {
- status = -ENOMEM;
- goto bail;
+ if (quota_enabled) {
+ rm_quota = kzalloc(osb->max_slots * sizeof(int), GFP_NOFS);
+ if (!rm_quota) {
+ status = -ENOMEM;
+ goto bail;
+ }
}
restart:
status = ocfs2_super_lock(osb, 1);
@@ -1422,9 +1430,14 @@ restart:
* then quota usage would be out of sync until some node takes
* the slot. So we remember which nodes need quota recovery
* and when everything else is done, we recover quotas. */
- for (i = 0; i < rm_quota_used && rm_quota[i] != slot_num; i++);
- if (i == rm_quota_used)
- rm_quota[rm_quota_used++] = slot_num;
+ if (quota_enabled) {
+ for (i = 0; i < rm_quota_used
+ && rm_quota[i] != slot_num; i++)
+ ;
+
+ if (i == rm_quota_used)
+ rm_quota[rm_quota_used++] = slot_num;
+ }
status = ocfs2_recover_node(osb, node_num, slot_num);
skip_recovery:
@@ -1452,16 +1465,19 @@ skip_recovery:
/* Now it is right time to recover quotas... We have to do this under
* superblock lock so that no one can start using the slot (and crash)
* before we recover it */
- for (i = 0; i < rm_quota_used; i++) {
- qrec = ocfs2_begin_quota_recovery(osb, rm_quota[i]);
- if (IS_ERR(qrec)) {
- status = PTR_ERR(qrec);
- mlog_errno(status);
- continue;
+ if (quota_enabled) {
+ for (i = 0; i < rm_quota_used; i++) {
+ qrec = ocfs2_begin_quota_recovery(osb, rm_quota[i]);
+ if (IS_ERR(qrec)) {
+ status = PTR_ERR(qrec);
+ mlog_errno(status);
+ continue;
+ }
+ ocfs2_queue_recovery_completion(osb->journal,
+ rm_quota[i],
+ NULL, NULL, qrec,
+ ORPHAN_NEED_TRUNCATE);
}
- ocfs2_queue_recovery_completion(osb->journal, rm_quota[i],
- NULL, NULL, qrec,
- ORPHAN_NEED_TRUNCATE);
}
ocfs2_super_unlock(osb, 1);
@@ -1483,7 +1499,8 @@ bail:
mutex_unlock(&osb->recovery_lock);
- kfree(rm_quota);
+ if (quota_enabled)
+ kfree(rm_quota);
/* no one is callint kthread_stop() for us so the kthread() api
* requires that we call do_exit(). And it isn't exported, but
_
Patches currently in -mm which might be from guozhonghua@xxxxxxx are
ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery.patch
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