Commit 319a7b7fb98f6927d6eedeb627f72f54c377f9ce
Committed by
Jens Axboe
Jens Axboe
1 parent
0ed081ce20
Exists in
master
and in
20 other branches
bsg: Kconfig updates
- add the detailed explanation. - remove 'default y'. - make 'EXPERIMENTAL' keyword visible to the user in menu. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Showing 1 changed file with 9 additions and 4 deletions Side-by-side Diff
block/Kconfig
| ... | ... | @@ -52,12 +52,17 @@ |
| 52 | 52 | endif # BLOCK |
| 53 | 53 | |
| 54 | 54 | config BLK_DEV_BSG |
| 55 | - bool "Block layer SG support" | |
| 55 | + bool "Block layer SG support v4 (EXPERIMENTAL)" | |
| 56 | 56 | depends on (SCSI=y) && EXPERIMENTAL |
| 57 | - default y | |
| 58 | 57 | ---help--- |
| 59 | - Saying Y here will enable generic SG (SCSI generic) v4 | |
| 60 | - support for any block device. | |
| 58 | + Saying Y here will enable generic SG (SCSI generic) v4 support | |
| 59 | + for any block device. | |
| 60 | + | |
| 61 | + Unlike SG v3 (aka block/scsi_ioctl.c drivers/scsi/sg.c), SG v4 | |
| 62 | + can handle complicated SCSI commands: tagged variable length cdbs | |
| 63 | + with bidirectional data transfers and generic request/response | |
| 64 | + protocols (e.g. Task Management Functions and SMP in Serial | |
| 65 | + Attached SCSI). | |
| 61 | 66 | |
| 62 | 67 | source block/Kconfig.iosched |