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xfs: move the log ioend workqueue to struct xlog 

Move the workqueue used for log I/O completions from struct xfs_mount
to struct xlog to keep it self contained in the log code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
[darrick: destroy the log workqueue after ensuring log ios are done]
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2019-06-28 19:27:25 -07:00 committed by Darrick J. Wong
parent 79b54d9bfc
commit 1058d0f5ee
4 changed files with 13 additions and 13 deletions
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13
fs/xfs/xfs_log.c
View File

@ -1489,11 +1489,19 @@ xlog_alloc_log(
*iclogp = log->l_iclog; /* complete ring */
log->l_iclog->ic_prev = prev_iclog; /* re-write 1st prev ptr */
log->l_ioend_workqueue = alloc_workqueue("xfs-log/%s",
WQ_MEM_RECLAIM | WQ_FREEZABLE | WQ_HIGHPRI, 0,
mp->m_fsname);
if (!log->l_ioend_workqueue)
goto out_free_iclog;
error = xlog_cil_init(log);
if (error)
goto out_free_iclog;
goto out_destroy_workqueue;
return log;
out_destroy_workqueue:
destroy_workqueue(log->l_ioend_workqueue);
out_free_iclog:
for (iclog = log->l_iclog; iclog; iclog = prev_iclog) {
prev_iclog = iclog->ic_next;
@ -1690,7 +1698,7 @@ xlog_bio_end_io(
{
struct xlog_in_core *iclog = bio->bi_private;
queue_work(iclog->ic_log->l_mp->m_log_workqueue,
queue_work(iclog->ic_log->l_ioend_workqueue,
&iclog->ic_end_io_work);
}
@ -1966,6 +1974,7 @@ xlog_dealloc_log(
}
log->l_mp->m_log = NULL;
destroy_workqueue(log->l_ioend_workqueue);
kmem_free(log);
} /* xlog_dealloc_log */

1
fs/xfs/xfs_log_priv.h
View File

@ -357,6 +357,7 @@ struct xlog {
struct xfs_ail *l_ailp; /* AIL log is working with */
struct xfs_cil *l_cilp; /* CIL log is working with */
struct xfs_buftarg *l_targ; /* buftarg of log */
struct workqueue_struct *l_ioend_workqueue; /* for I/O completions */
struct delayed_work l_work; /* background flush work */
uint l_flags;
uint l_quotaoffs_flag; /* XFS_DQ_*, for QUOTAOFFs */

1
fs/xfs/xfs_mount.h
View File

@ -183,7 +183,6 @@ typedef struct xfs_mount {
struct workqueue_struct *m_unwritten_workqueue;
struct workqueue_struct *m_cil_workqueue;
struct workqueue_struct *m_reclaim_workqueue;
struct workqueue_struct *m_log_workqueue;
struct workqueue_struct *m_eofblocks_workqueue;
struct workqueue_struct *m_sync_workqueue;

11
fs/xfs/xfs_super.c
View File

@ -840,16 +840,10 @@ xfs_init_mount_workqueues(
if (!mp->m_reclaim_workqueue)
goto out_destroy_cil;
mp->m_log_workqueue = alloc_workqueue("xfs-log/%s",
WQ_MEM_RECLAIM|WQ_FREEZABLE|WQ_HIGHPRI, 0,
mp->m_fsname);
if (!mp->m_log_workqueue)
goto out_destroy_reclaim;
mp->m_eofblocks_workqueue = alloc_workqueue("xfs-eofblocks/%s",
WQ_MEM_RECLAIM|WQ_FREEZABLE, 0, mp->m_fsname);
if (!mp->m_eofblocks_workqueue)
goto out_destroy_log;
goto out_destroy_reclaim;
mp->m_sync_workqueue = alloc_workqueue("xfs-sync/%s", WQ_FREEZABLE, 0,
mp->m_fsname);
@ -860,8 +854,6 @@ xfs_init_mount_workqueues(
out_destroy_eofb:
destroy_workqueue(mp->m_eofblocks_workqueue);
out_destroy_log:
destroy_workqueue(mp->m_log_workqueue);
out_destroy_reclaim:
destroy_workqueue(mp->m_reclaim_workqueue);
out_destroy_cil:
@ -880,7 +872,6 @@ xfs_destroy_mount_workqueues(
{
destroy_workqueue(mp->m_sync_workqueue);
destroy_workqueue(mp->m_eofblocks_workqueue);
destroy_workqueue(mp->m_log_workqueue);
destroy_workqueue(mp->m_reclaim_workqueue);
destroy_workqueue(mp->m_cil_workqueue);
destroy_workqueue(mp->m_unwritten_workqueue);