* [PATCH v2] block: Remove the redundant empty list check in blk_flush_plug
[not found] <CGME20211108151030eucas1p257602208c9a532f3d0e002d7a81b308b@eucas1p2.samsung.com>
@ 2021-11-08 15:10 ` Pankaj Raghav
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From: Pankaj Raghav @ 2021-11-08 15:10 UTC (permalink / raw)
To: Jens Axboe; +Cc: linux-block, Pankaj Raghav, Pankaj Raghav
The callee: blk_mq_flush_plug_list already has an empty list check for
plug->mq_list. Remove the check for empty list from the
caller:blk_flush_plug.
Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
---
block/blk-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index b043de2baaac..a309e7cca218 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1588,8 +1588,8 @@ void blk_flush_plug(struct blk_plug *plug, bool from_schedule)
{
if (!list_empty(&plug->cb_list))
flush_plug_callbacks(plug, from_schedule);
- if (!rq_list_empty(plug->mq_list))
- blk_mq_flush_plug_list(plug, from_schedule);
+
+ blk_mq_flush_plug_list(plug, from_schedule);
/*
* Unconditionally flush out cached requests, even if the unplug
* event came from schedule. Since we know hold references to the
--
2.25.1
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2021-11-08 15:10 ` [PATCH v2] block: Remove the redundant empty list check in blk_flush_plug Pankaj Raghav
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