TechPanelGM/kernel_xiaomi_sm8250
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block: make scsi_request and scsi ioctl support optional

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We only need this code to support scsi, ide, cciss and virtio.  And at
least for virtio it's a deprecated feature to start with.

This should shrink the kernel size for embedded device that only use,
say eMMC a bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2017-01-28 09:32:51 +01:00
committed by Jens Axboe
parent 3719fa8622
commit 72148aecf4
8 changed files with 17 additions and 2 deletions
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5
block/Kconfig
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@@ -49,9 +49,13 @@ config LBDAF
If unsure, say Y.
config BLK_SCSI_REQUEST
bool
config BLK_DEV_BSG
bool "Block layer SG support v4"
default y
select BLK_SCSI_REQUEST
help
Saying Y here will enable generic SG (SCSI generic) v4 support
for any block device.
@@ -71,6 +75,7 @@ config BLK_DEV_BSGLIB
bool "Block layer SG support v4 helper lib"
default n
select BLK_DEV_BSG
select BLK_SCSI_REQUEST
help
Subsystems will normally enable this if needed. Users will not
normally need to manually enable this.