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scsi: flip the default on use_clustering

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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>
This commit is contained in:
Christoph Hellwig
2018-12-13 16:17:02 +01:00
committed by Martin K. Petersen
parent 4dd4130a72
commit 2a3d4eb8e2
82 changed files with 4 additions and 110 deletions
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1
drivers/scsi/vmw_pvscsi.c
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@@ -1007,7 +1007,6 @@ static struct scsi_host_template pvscsi_template = {
.sg_tablesize = PVSCSI_MAX_NUM_SG_ENTRIES_PER_SEGMENT,
.dma_boundary = UINT_MAX,
.max_sectors = 0xffff,
.use_clustering = ENABLE_CLUSTERING,
.change_queue_depth = pvscsi_change_queue_depth,
.eh_abort_handler = pvscsi_abort,
.eh_device_reset_handler = pvscsi_device_reset,