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scsi: default to scsi-mq

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Remove the SCSI_MQ_DEFAULT config option and default to the blk-mq I/O
path now that we had plenty of testing, and have I/O schedulers for
blk-mq.  The module option to disable the blk-mq path is kept around for
now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2017-06-16 10:27:55 +02:00 committed by Martin K. Petersen
parent 6d311fa7d2
commit 5c279bd9e4
2 changed files with 0 additions and 15 deletions
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11
drivers/scsi/Kconfig
View file

@ -47,17 +47,6 @@ config SCSI_NETLINK
default n
depends on NET
config SCSI_MQ_DEFAULT
bool "SCSI: use blk-mq I/O path by default"
depends on SCSI
---help---
This option enables the new blk-mq based I/O path for SCSI
devices by default. With the option the scsi_mod.use_blk_mq
module/boot option defaults to Y, without it to N, but it can
still be overridden either way.
If unsure say N.
config SCSI_PROC_FS
bool "legacy /proc/scsi/ support"
depends on SCSI && PROC_FS

4
drivers/scsi/scsi.c
View file

@ -800,11 +800,7 @@ MODULE_LICENSE("GPL");
module_param(scsi_logging_level, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(scsi_logging_level, "a bit mask of logging levels");
#ifdef CONFIG_SCSI_MQ_DEFAULT
bool scsi_use_blk_mq = true;
#else
bool scsi_use_blk_mq = false;
#endif
module_param_named(use_blk_mq, scsi_use_blk_mq, bool, S_IWUSR | S_IRUGO);
static int __init init_scsi(void)