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Revert "block: end bio with BLK_STS_AGAIN in case of non-mq devs and REQ_NOWAIT" block-5.7 block-5.7-2020-05-29
authorJens Axboe <axboe@kernel.dk>
Thu, 28 May 2020 19:19:29 +0000 (13:19 -0600)
committerJens Axboe <axboe@kernel.dk>
Thu, 28 May 2020 19:20:39 +0000 (13:20 -0600)
commitb0beb28097fa04177b3769f4bb7a0d0d9c4ae76e
treee1fb1bb2d47a2e2b1b471a1d6426b9a39b184190tree
parent15fede122b23e126baeba69558a14c68e5d9359fcommit | diff
Revert "block: end bio with BLK_STS_AGAIN in case of non-mq devs and REQ_NOWAIT"

This reverts commit c58c1f83436b501d45d4050fd1296d71a9760bcb.

io_uring does do the right thing for this case, and we're still returning
-EAGAIN to userspace for the cases we don't support. Revert this change
to avoid doing endless spins of resubmits.

Cc: stable@vger.kernel.org # v5.6
Reported-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-core.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)