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blk-wbt: fix comments typo 

Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
weiping zhang 2017-11-23 21:40:10 +08:00 committed by Jens Axboe
parent 62d772fa9d
commit 3dfbdc44d6
1 changed files with 1 additions and 1 deletions
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block/blk-wbt.c
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@ -481,7 +481,7 @@ static inline unsigned int get_limit(struct rq_wb *rwb, unsigned long rw)
/*
* At this point we know it's a buffered write. If this is
* kswapd trying to free memory, or REQ_SYNC is set, set, then
* kswapd trying to free memory, or REQ_SYNC is set, then
* it's WB_SYNC_ALL writeback, and we'll use the max limit for
* that. If the write is marked as a background write, then use
* the idle limit, or go to normal if we haven't had competing