Commit abb30460 authored Jun 01, 2020 by Jens Axboe

block: mark bio_wouldblock_error() bio with BIO_QUIET



We really don't care about triggering buffer errors for this condition.
This avoids a spew of:

Buffer I/O error on dev sdc, logical block 785929, async page read
Buffer I/O error on dev sdc, logical block 759095, async page read
Buffer I/O error on dev sdc, logical block 766922, async page read
Buffer I/O error on dev sdc, logical block 17659, async page read
Buffer I/O error on dev sdc, logical block 637571, async page read
Buffer I/O error on dev sdc, logical block 39241, async page read
Buffer I/O error on dev sdc, logical block 397241, async page read
Buffer I/O error on dev sdc, logical block 763992, async page read

from -EAGAIN conditions on request allocation for async reads.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 4d89e1d1

include/linux/bio.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -417,6 +417,7 @@ static inline void bio_io_error(struct bio *bio)

		static inline void bio_wouldblock_error(struct bio *bio)
		{
		bio_set_flag(bio, BIO_QUIET);
		bio->bi_status = BLK_STS_AGAIN;
		bio_endio(bio);
		}

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