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authorJan Kara <jack@suse.cz>2021-11-25 14:36:36 +0100
committerJens Axboe <axboe@kernel.dk>2021-11-29 06:38:51 -0700
commit44dfa279f117646163db0c8760addb45dd6a0e8c (patch)
tree3496a0836124e90628538818ae315efce4025bac /block/bfq-iosched.h
parent98f044999ba141a6b6b79cb3a996a73f05a46820 (diff)
downloadlwn-44dfa279f117646163db0c8760addb45dd6a0e8c.tar.gz
lwn-44dfa279f117646163db0c8760addb45dd6a0e8c.zip
bfq: Store full bitmap depth in bfq_data
Store bitmap depth shift inside bfq_data so that we can use it in bfq_limit_depth() for proportioning when limiting number of available request tags for a cgroup. Acked-by: Paolo Valente <paolo.valente@linaro.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20211125133645.27483-3-jack@suse.cz Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bfq-iosched.h')
-rw-r--r--block/bfq-iosched.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
index 3787cfb0febb..820cb8c2d1fe 100644
--- a/block/bfq-iosched.h
+++ b/block/bfq-iosched.h
@@ -769,6 +769,7 @@ struct bfq_data {
* function)
*/
unsigned int word_depths[2][2];
+ unsigned int full_depth_shift;
};
enum bfqq_state_flags {