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| author | Christoph Hellwig <hch@lst.de> | 2017-01-28 09:32:51 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-01-31 10:53:05 -0700 |
| commit | 72148aecf4fd9218e2db1333534e8403fdd66eb9 (patch) | |
| tree | 82b451514817a5252556df8b639c52a9e0ac1248 /block | |
| parent | 3719fa8622a9f5b0eccebad08785161696b54456 (diff) | |
| download | linux-72148aecf4fd9218e2db1333534e8403fdd66eb9.tar.gz linux-72148aecf4fd9218e2db1333534e8403fdd66eb9.tar.xz | |
block: make scsi_request and scsi ioctl support optional
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>
Diffstat (limited to 'block')
| -rw-r--r-- | block/Kconfig | 5 | ||||
| -rw-r--r-- | block/Makefile | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/block/Kconfig b/block/Kconfig index 7f659b23850c..b97d7f6fd622 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -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. diff --git a/block/Makefile b/block/Makefile index 317165f8708c..38f26cae4303 100644 --- a/block/Makefile +++ b/block/Makefile @@ -7,10 +7,11 @@ obj-$(CONFIG_BLOCK) := bio.o elevator.o blk-core.o blk-tag.o blk-sysfs.o \ blk-exec.o blk-merge.o blk-softirq.o blk-timeout.o \ blk-lib.o blk-mq.o blk-mq-tag.o blk-stat.o \ blk-mq-sysfs.o blk-mq-cpumap.o blk-mq-sched.o ioctl.o \ - genhd.o scsi_ioctl.o partition-generic.o ioprio.o \ + genhd.o partition-generic.o ioprio.o \ badblocks.o partitions/ -obj-$(CONFIG_BOUNCE) += bounce.o +obj-$(CONFIG_BOUNCE) += bounce.o +obj-$(CONFIG_BLK_SCSI_REQUEST) += scsi_ioctl.o obj-$(CONFIG_BLK_DEV_BSG) += bsg.o obj-$(CONFIG_BLK_DEV_BSGLIB) += bsg-lib.o obj-$(CONFIG_BLK_CGROUP) += blk-cgroup.o |