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| author | Christoph Hellwig <hch@lst.de> | 2018-12-13 16:17:02 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-12-19 05:13:12 +0100 |
| commit | 2a3d4eb8e228061c09d5ca8bf39e7f00c2091213 (patch) | |
| tree | 867ce9fbb2ecee876580bb728ef3affb3e1b41d3 /drivers/usb/storage | |
| parent | scsi: make sure all drivers set the use_clustering flag (diff) | |
| download | linux-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/usb/storage')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index e227bb5b794f..fde2e71a6ade 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -639,13 +639,6 @@ static const struct scsi_host_template usb_stor_host_template = { */ .max_sectors = 240, - /* - * merge commands... this seems to help performance, but - * periodically someone should test to see which setting is more - * optimal. - */ - .use_clustering = 1, - /* emulated HBA */ .emulated = 1, |