Block layer has a limit on plug, ie. BLK_MAX_REQUEST_COUNT == 16, so
we don't gain benefits by batching 64 bios here.
Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
---
fs/btrfs/volumes.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index e8b9a26..de55024 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -524,12 +524,6 @@ static noinline void run_scheduled_bios(struct btrfs_device *device)
&device->work);
goto done;
}
- /* unplug every 64 requests just for good measure */
- if (batch_run % 64 == 0) {
- blk_finish_plug(&plug);
- blk_start_plug(&plug);
- sync_pending = 0;
- }
}
cond_resched();
--
2.9.4
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