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>
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

View File

@@ -135,7 +135,6 @@ enum {
ATA_SHT_EMULATED = 1,
ATA_SHT_THIS_ID = -1,
ATA_SHT_USE_CLUSTERING = 1,
/* struct ata_taskfile flags */
ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */
@@ -1360,7 +1359,6 @@ extern struct device_attribute *ata_common_sdev_attrs[];
.tag_alloc_policy = BLK_TAG_ALLOC_RR, \
.this_id = ATA_SHT_THIS_ID, \
.emulated = ATA_SHT_EMULATED, \
.use_clustering = ATA_SHT_USE_CLUSTERING, \
.proc_name = drv_name, \
.slave_configure = ata_scsi_slave_config, \
.slave_destroy = ata_scsi_slave_destroy, \