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authorKemeng Shi <shikemeng@huaweicloud.com>2023-01-18 17:37:26 +0800
committerJens Axboe <axboe@kernel.dk>2023-02-06 09:22:29 -0700
commit01542f651a9f58a9b176c3d3dc3eefbacee53b78 (patch)
treecf9649b96d6c137221a007d4860c343aa9f70a93 /block
parent27e8b2bb149aff7b7b673b46c7206f4f37c30093 (diff)
blk-mq: correct stale comment of .get_budget
Commit 88022d7201e96 ("blk-mq: don't handle failure in .get_budget") remove BLK_STS_RESOURCE return value and we only check if we can get the budget from .get_budget() now. Correct stale comment that ".get_budget() returns BLK_STS_NO_RESOURCE" to ".get_budget() fails to get the budget". Fixes: 88022d7201e9 ("blk-mq: don't handle failure in .get_budget") Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq-sched.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index ae40cdb7a383..06b312c69114 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -81,7 +81,7 @@ dispatch:
/*
* Only SCSI implements .get_budget and .put_budget, and SCSI restarts
* its queue by itself in its completion handler, so we don't need to
- * restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.
+ * restart queue if .get_budget() fails to get the budget.
*
* Returns -EAGAIN if hctx->dispatch was found non-empty and run_work has to
* be run again. This is necessary to avoid starving flushes.
@@ -209,7 +209,7 @@ static struct blk_mq_ctx *blk_mq_next_ctx(struct blk_mq_hw_ctx *hctx,
/*
* Only SCSI implements .get_budget and .put_budget, and SCSI restarts
* its queue by itself in its completion handler, so we don't need to
- * restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.
+ * restart queue if .get_budget() fails to get the budget.
*
* Returns -EAGAIN if hctx->dispatch was found non-empty and run_work has to
* be run again. This is necessary to avoid starving flushes.