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authorChristoph Hellwig <hch@lst.de>2018-12-13 16:17:02 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2018-12-19 05:13:12 +0100
commit2a3d4eb8e228061c09d5ca8bf39e7f00c2091213 (patch)
tree867ce9fbb2ecee876580bb728ef3affb3e1b41d3 /drivers/s390/scsi
parentscsi: make sure all drivers set the use_clustering flag (diff)
downloadlinux-2a3d4eb8e228061c09d5ca8bf39e7f00c2091213.tar.xz
linux-2a3d4eb8e228061c09d5ca8bf39e7f00c2091213.zip
scsi: flip the default on use_clustering
Most SCSI drivers want to enable "clustering", that is merging of segments so that they might span more than a single page. Remove the ENABLE_CLUSTERING define, and require drivers to explicitly set DISABLE_CLUSTERING to disable this feature. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/s390/scsi')
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index a8b53ed61c1e..00acc7144bbc 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -429,7 +429,6 @@ static struct scsi_host_template zfcp_scsi_host_template = {
* ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2) * 8,
/* GCD, adjusted later */
.dma_boundary = ZFCP_QDIO_SBALE_LEN - 1,
- .use_clustering = 1,
.shost_attrs = zfcp_sysfs_shost_attrs,
.sdev_attrs = zfcp_sysfs_sdev_attrs,
.track_queue_depth = 1,