]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: c5f996d) | patch
blk-mq: bitmap tag: select random tag betweet 0 and (depth - 1)
authorMing Lei <tom.leiming@gmail.com>
Sat, 10 May 2014 21:43:14 +0000 (15:43 -0600)
committerJens Axboe <axboe@fb.com>
Sat, 10 May 2014 21:43:14 +0000 (15:43 -0600)
commitcb045d27b002ba79497cd45906556a49739e6bf5
tree18b1306aa0a86c1c987bab5d3f2e9610f47bbb8btree | snapshot
parentc5f996de6751b7223a338eaf6298ce8cab88a24ccommit | diff
blk-mq: bitmap tag: select random tag betweet 0 and (depth - 1)

The selected tag should be selected at random between 0 and
(depth - 1) with probability 1/depth, instead between 0 and
(depth - 2) with probability 1/(depth - 1).

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-mq-tag.c diff | blob | history
Linux Kernel Source Tree.