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| author | Liu Bo | 2017-09-02 00:14:26 +0200 |
|---|---|---|
| committer | David Sterba | 2017-10-30 12:27:55 +0100 |
| commit | 219d33b26ac498ca472a02b9217b4e450474fc90 (patch) | |
| tree | cb366441e8947093a54ab689ea382f92f2fe1420 /fs/btrfs/volumes.c | |
| parent | Linux 4.14-rc7 (diff) | |
| download | kernel-qcow2-linux-219d33b26ac498ca472a02b9217b4e450474fc90.tar.gz kernel-qcow2-linux-219d33b26ac498ca472a02b9217b4e450474fc90.tar.xz kernel-qcow2-linux-219d33b26ac498ca472a02b9217b4e450474fc90.zip | |
Btrfs: remove batch plug in run_scheduled_IO
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@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index b39737568c22..b92e82d4413f 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -517,12 +517,6 @@ loop_lock: &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(); |