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block: remove blk_needs_flush_plug

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blk_needs_flush_plug fails to account for the cb_list, which needs
flushing as well.  Remove it and just check if there is a plug instead
of poking into the internals of the plug structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220127070549.1377856-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2022-01-27 08:05:48 +01:00
committed by Jens Axboe
parent a7c50c9404
commit b1f866b013
4 changed files with 3 additions and 16 deletions
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2
fs/fs-writeback.c
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@@ -2301,7 +2301,7 @@ void wakeup_flusher_threads(enum wb_reason reason)
/*
* If we are expecting writeback progress we must submit plugged IO.
*/
if (blk_needs_flush_plug(current))
if (current->plug)
blk_flush_plug(current->plug, true);
rcu_read_lock();