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| author | Jens Axboe <axboe@kernel.dk> | 2018-10-12 10:14:46 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-07 13:42:32 -0700 |
| commit | f382fb0bcef4c37dc049e9f6963e3baf204d815c (patch) | |
| tree | dbfbe5689176a03ea1590497f965b40b2f8fd532 /block/Kconfig.iosched | |
| parent | 404b8f5a03d840f74669fd55e26f8e3564cc2dd8 (diff) | |
| download | linux-f382fb0bcef4c37dc049e9f6963e3baf204d815c.tar.gz linux-f382fb0bcef4c37dc049e9f6963e3baf204d815c.tar.bz2 linux-f382fb0bcef4c37dc049e9f6963e3baf204d815c.zip | |
block: remove legacy IO schedulers
Retain the deadline documentation, as that carries over to mq-deadline
as well.
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/Kconfig.iosched')
| -rw-r--r-- | block/Kconfig.iosched | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched index f95a48b0d7b2..4626b88b2d5a 100644 --- a/block/Kconfig.iosched +++ b/block/Kconfig.iosched @@ -3,67 +3,6 @@ if BLOCK menu "IO Schedulers" -config IOSCHED_NOOP - bool - default y - ---help--- - The no-op I/O scheduler is a minimal scheduler that does basic merging - and sorting. Its main uses include non-disk based block devices like - memory devices, and specialised software or hardware environments - that do their own scheduling and require only minimal assistance from - the kernel. - -config IOSCHED_DEADLINE - tristate "Deadline I/O scheduler" - default y - ---help--- - The deadline I/O scheduler is simple and compact. It will provide - CSCAN service with FIFO expiration of requests, switching to - a new point in the service tree and doing a batch of IO from there - in case of expiry. - -config IOSCHED_CFQ - tristate "CFQ I/O scheduler" - default y - ---help--- - The CFQ I/O scheduler tries to distribute bandwidth equally - among all processes in the system. It should provide a fair - and low latency working environment, suitable for both desktop - and server systems. - - This is the default I/O scheduler. - -config CFQ_GROUP_IOSCHED - bool "CFQ Group Scheduling support" - depends on IOSCHED_CFQ && BLK_CGROUP - ---help--- - Enable group IO scheduling in CFQ. - -choice - - prompt "Default I/O scheduler" - default DEFAULT_CFQ - help - Select the I/O scheduler which will be used by default for all - block devices. - - config DEFAULT_DEADLINE - bool "Deadline" if IOSCHED_DEADLINE=y - - config DEFAULT_CFQ - bool "CFQ" if IOSCHED_CFQ=y - - config DEFAULT_NOOP - bool "No-op" - -endchoice - -config DEFAULT_IOSCHED - string - default "deadline" if DEFAULT_DEADLINE - default "cfq" if DEFAULT_CFQ - default "noop" if DEFAULT_NOOP - config MQ_IOSCHED_DEADLINE tristate "MQ deadline I/O scheduler" default y |