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(parent: 3296061) | patch
io_uring: compare cached_cq_tail with cq.head in_io_uring_poll
authoryangerkun <[email protected]>
Tue, 24 Sep 2019 12:53:34 +0000 (20:53 +0800)
committerJens Axboe <[email protected]>
Tue, 24 Sep 2019 13:04:15 +0000 (07:04 -0600)
commitdaa5de5415849b9a53056ec1e1e88fe4c5c9aa2b
tree57e6f539eb3582046f05bfad7ca1b34401ace56btree | snapshot
parent32960613b7c3352ddf38c42596e28a16ae36335ecommit | diff
io_uring: compare cached_cq_tail with cq.head in_io_uring_poll

After 75b28af("io_uring: allocate the two rings together"), we compare
sq.head with cached_cq_tail to determine does there any cq invalid.
Actually, we should use cq.head.

Fixes: 75b28affdd6a ("io_uring: allocate the two rings together")
Signed-off-by: yangerkun <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
fs/io_uring.c diff | blob | blame | history
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