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io-wq: fix hang after cancelling pending hashed work
authorPavel Begunkov <asml.silence@gmail.com>
Sun, 23 Aug 2020 17:33:10 +0000 (20:33 +0300)
committerJens Axboe <axboe@kernel.dk>
Sun, 23 Aug 2020 17:38:50 +0000 (11:38 -0600)
commit204361a77f4018627addd4a06877448f088ddfc0
tree422e0e66f05ef6220b909887cfa6312f5c694f83
parentfd7d6de2241453fc7d042336d366a939a25bc5a9
io-wq: fix hang after cancelling pending hashed work

Don't forget to update wqe->hash_tail after cancelling a pending work
item, if it was hashed.

Cc: stable@vger.kernel.org # 5.7+
Reported-by: Dmitry Shulyak <yashulyak@gmail.com>
Fixes: 86f3cd1b589a1 ("io-wq: handle hashed writes in chains")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io-wq.c