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authorChristoph Hellwig <hch@lst.de>2014-11-13 16:25:11 +0300
committerChristoph Hellwig <hch@lst.de>2014-11-24 16:45:12 +0300
commitc40ecc12cfdb630332198a04e2832ae8218a61f1 (patch)
tree881456a7d46ca017dba4cc003e2fe1be427614fc /drivers/scsi/fcoe/fcoe.c
parent89dac7bb3b0494685241369951f95494e86ee61f (diff)
downloadlinux-c40ecc12cfdb630332198a04e2832ae8218a61f1.tar.xz
scsi: avoid ->change_queue_depth indirection for queue full tracking
All drivers use the implementation for ramping the queue up and down, so instead of overloading the change_queue_depth method call the implementation diretly if the driver opts into it by setting the track_queue_depth flag in the host template. Note that a few drivers validated the new queue depth in their change_queue_depth method, but as we never go over the queue depth set during slave_configure or the sysfs file this isn't nessecary and can safely be removed. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Venkatesh Srinivas <venkateshs@google.com>
Diffstat (limited to 'drivers/scsi/fcoe/fcoe.c')
-rw-r--r--drivers/scsi/fcoe/fcoe.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index a3eeb6842499..97229860398f 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -289,6 +289,7 @@ static struct scsi_host_template fcoe_shost_template = {
.sg_tablesize = SG_ALL,
.max_sectors = 0xffff,
.use_blk_tags = 1,
+ .track_queue_depth = 1,
};
/**