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 <[email protected]> --- block/Kconfig | 5 +++++ block/Makefile | 5 +++-- drivers/block/Kconfig | 4 ++++ drivers/block/paride/Kconfig | 1 + drivers/ide/Kconfig | 1 + drivers/scsi/Kconfig | 1 + drivers/target/Kconfig | 1 + fs/nfsd/Kconfig | 1 + 8 files changed, 17 insertions(+), 2 deletions(-) diff --git a/block/Kconfig b/block/Kconfig index 8bf114a..9791bb8 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 6cabe6b..6d7de29 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 diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 223ff2f..7a4c787 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -69,6 +69,7 @@ config AMIGA_Z2RAM config GDROM tristate "SEGA Dreamcast GD-ROM drive" depends on SH_DREAMCAST + select BLK_SCSI_REQUEST # only for the generic cdrom code help A standard SEGA Dreamcast comes with a modified CD ROM drive called a "GD-ROM" by SEGA to signify it is capable of reading special disks @@ -114,6 +115,7 @@ config BLK_CPQ_CISS_DA tristate "Compaq Smart Array 5xxx support" depends on PCI select CHECK_SIGNATURE + select BLK_SCSI_REQUEST help This is the driver for Compaq Smart Array 5xxx controllers. Everyone using these boards should say Y here. @@ -386,6 +388,7 @@ config BLK_DEV_RAM_DAX config CDROM_PKTCDVD tristate "Packet writing on CD/DVD media (DEPRECATED)" depends on !UML + select BLK_SCSI_REQUEST help Note: This driver is deprecated and will be removed from the kernel in the near future! @@ -497,6 +500,7 @@ config XEN_BLKDEV_BACKEND config VIRTIO_BLK tristate "Virtio block driver" depends on VIRTIO + select BLK_SCSI_REQUEST ---help--- This is the virtual block driver for virtio. It can be used with lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. diff --git a/drivers/block/paride/Kconfig b/drivers/block/paride/Kconfig index efefb5a..3a15247 100644 --- a/drivers/block/paride/Kconfig +++ b/drivers/block/paride/Kconfig @@ -25,6 +25,7 @@ config PARIDE_PD config PARIDE_PCD tristate "Parallel port ATAPI CD-ROMs" depends on PARIDE + select BLK_SCSI_REQUEST # only for the generic cdrom code ---help--- This option enables the high-level driver for ATAPI CD-ROM devices connected through a parallel port. If you chose to build PARIDE diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 39ea67f..c99a25c 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -10,6 +10,7 @@ menuconfig IDE tristate "ATA/ATAPI/MFM/RLL support (DEPRECATED)" depends on HAVE_IDE depends on BLOCK + select BLK_SCSI_REQUEST ---help--- If you say Y here, your kernel will be able to manage ATA/(E)IDE and ATAPI units. The most common cases are IDE hard drives and ATAPI diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index a4f6b0d..d4023bf 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -18,6 +18,7 @@ config SCSI depends on BLOCK select SCSI_DMA if HAS_DMA select SG_POOL + select BLK_SCSI_REQUEST ---help--- If you want to use a SCSI hard disk, SCSI tape drive, SCSI CD-ROM or any other SCSI device under Linux, say Y and make sure that you know diff --git a/drivers/target/Kconfig b/drivers/target/Kconfig index 2573612..e2bc999 100644 --- a/drivers/target/Kconfig +++ b/drivers/target/Kconfig @@ -4,6 +4,7 @@ menuconfig TARGET_CORE depends on SCSI && BLOCK select CONFIGFS_FS select CRC_T10DIF + select BLK_SCSI_REQUEST # only for scsi_command_size_tbl.. default n help Say Y or M here to enable the TCM Storage Engine and ConfigFS enabled diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig index 47febcf..20b1c17 100644 --- a/fs/nfsd/Kconfig +++ b/fs/nfsd/Kconfig @@ -104,6 +104,7 @@ config NFSD_SCSILAYOUT depends on NFSD_V4 && BLOCK select NFSD_PNFS select EXPORTFS_BLOCK_OPS + select BLK_SCSI_REQUEST help This option enables support for the exporting pNFS SCSI layouts in the kernel's NFS server. The pNFS SCSI layout enables NFS -- 2.1.4 _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
