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authorJens Axboe <axboe@kernel.dk>2018-10-29 19:23:51 +0300
committerJens Axboe <axboe@kernel.dk>2018-11-07 23:42:32 +0300
commita1ce35fa49852db60fc6e268038530be533c5b15 (patch)
tree7a0bb9576a3f0e31e22f849463eee6cdda26bad5 /init/main.c
parentf382fb0bcef4c37dc049e9f6963e3baf204d815c (diff)
downloadlinux-a1ce35fa49852db60fc6e268038530be533c5b15.tar.xz
block: remove dead elevator code
This removes a bunch of core and elevator related code. On the core front, we remove anything related to queue running, draining, initialization, plugging, and congestions. We also kill anything related to request allocation, merging, retrieval, and completion. Remove any checking for single queue IO schedulers, as they no longer exist. This means we can also delete a bunch of code related to request issue, adding, completion, etc - and all the SQ related ops and helpers. Also kill the load_default_modules(), as all that did was provide for a way to load the default single queue elevator. 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 'init/main.c')
-rw-r--r--init/main.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/init/main.c b/init/main.c
index ee147103ba1b..ca0cdb0c388b 100644
--- a/init/main.c
+++ b/init/main.c
@@ -996,17 +996,6 @@ static void __init do_pre_smp_initcalls(void)
do_one_initcall(initcall_from_entry(fn));
}
-/*
- * This function requests modules which should be loaded by default and is
- * called twice right after initrd is mounted and right before init is
- * exec'd. If such modules are on either initrd or rootfs, they will be
- * loaded before control is passed to userland.
- */
-void __init load_default_modules(void)
-{
- load_default_elevator_module();
-}
-
static int run_init_process(const char *init_filename)
{
argv_init[0] = init_filename;
@@ -1180,5 +1169,4 @@ static noinline void __init kernel_init_freeable(void)
*/
integrity_load_keys();
- load_default_modules();
}