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xfs: convert to alloc_workqueue()

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Convert from create[_singlethread]_workqueue() to alloc_workqueue().

* xfsdatad_workqueue and xfsconvertd_workqueue are identity converted.
  Using higher concurrency limit might be useful but given the
  complexity of workqueue usage in xfs, proceeding cautiously seems
  better.

* xfs_mru_reap_wq is converted to non-ordered workqueue with max
  concurrency of 1 as the work items don't require any specific
  ordering and already have proper synchronization.  It seems it was
  singlethreaded to save worker threads, which is no longer a concern.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Alex Elder <aelder@sgi.com>
Cc: xfs-masters@oss.sgi.com
Cc: Christoph Hellwig <hch@infradead.org>
This commit is contained in:
Tejun Heo 2011-02-01 11:42:43 +01:00
parent 28aadf5169
commit 83e759043a
2 changed files with 4 additions and 3 deletions
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5
fs/xfs/linux-2.6/xfs_buf.c
View File

@ -2022,11 +2022,12 @@ xfs_buf_init(void)
if (!xfslogd_workqueue)
goto out_free_buf_zone;
xfsdatad_workqueue = create_workqueue("xfsdatad");
xfsdatad_workqueue = alloc_workqueue("xfsdatad", WQ_MEM_RECLAIM, 1);
if (!xfsdatad_workqueue)
goto out_destroy_xfslogd_workqueue;
xfsconvertd_workqueue = create_workqueue("xfsconvertd");
xfsconvertd_workqueue = alloc_workqueue("xfsconvertd",
WQ_MEM_RECLAIM, 1);
if (!xfsconvertd_workqueue)
goto out_destroy_xfsdatad_workqueue;

2
fs/xfs/xfs_mru_cache.c
View File

@ -309,7 +309,7 @@ xfs_mru_cache_init(void)
if (!xfs_mru_elem_zone)
goto out;
xfs_mru_reap_wq = create_singlethread_workqueue("xfs_mru_cache");
xfs_mru_reap_wq = alloc_workqueue("xfs_mru_cache", WQ_MEM_RECLAIM, 1);
if (!xfs_mru_reap_wq)
goto out_destroy_mru_elem_zone;