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authorChristoph Hellwig <hch@infradead.org>2011-10-10 16:52:53 +0000
committerAlex Elder <aelder@sgi.com>2011-10-11 22:34:31 -0500
commit5a93a064d27b42e4af1772b0599b53e3241191ac (patch)
tree67d51441dba4fd8645ec9f5eaacb5d60c62049c7 /fs
parenta9add83e5abd29bf2b7b3658311199eeabbdefc6 (diff)
xfs: do not flush data workqueues in xfs_flush_buftarg
When we call xfs_flush_buftarg (generally from sync or umount) it already is too late to flush the data workqueues, as I/O completion is signalled for them and we are thus already done with the data we would flush here. There are places where flushing them might be useful, but the current sync interface doesn't give us that opportunity. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/xfs_buf.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 6f615c25941..cf0ac056815 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1623,13 +1623,6 @@ xfs_buf_delwri_promote(
spin_unlock(&btp->bt_delwri_lock);
}
-STATIC void
-xfs_buf_runall_queues(
- struct workqueue_struct *queue)
-{
- flush_workqueue(queue);
-}
-
/*
* Move as many buffers as specified to the supplied list
* idicating if we skipped any buffers to prevent deadlocks.
@@ -1752,9 +1745,7 @@ xfs_flush_buftarg(
LIST_HEAD(wait_list);
struct blk_plug plug;
- xfs_buf_runall_queues(xfsconvertd_workqueue);
- xfs_buf_runall_queues(xfsdatad_workqueue);
- xfs_buf_runall_queues(xfslogd_workqueue);
+ flush_workqueue(xfslogd_workqueue);
set_bit(XBT_FORCE_FLUSH, &target->bt_flags);
pincount = xfs_buf_delwri_split(target, &tmp_list, 0);