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(parent: 01e68ce) | patch
io_uring/uring_cmd: ensure that device supports IOPOLL
authorJens Axboe <axboe@kernel.dk>
Wed, 8 Mar 2023 16:26:13 +0000 (09:26 -0700)
committerJens Axboe <axboe@kernel.dk>
Thu, 9 Mar 2023 16:23:59 +0000 (09:23 -0700)
commit03b3d6be73e81ddb7c2930d942cdd17f4cfd5ba5
treecd633f5213076616d13d9d13dca6c4bfc6f6324atree
parent01e68ce08a30db3d842ce7a55f7f6e0474a55f9acommit | diff
io_uring/uring_cmd: ensure that device supports IOPOLL

It's possible for a file type to support uring commands, but not
pollable ones. Hence before issuing one of those, we should check
that it is supported and error out upfront if it isn't.

Cc: stable@vger.kernel.org
Fixes: 5756a3a7e713 ("io_uring: add iopoll infrastructure for io_uring_cmd")
Link: https://github.com/axboe/liburing/issues/816
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/uring_cmd.c diff | blob | history
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