Jens Axboe 67c1a7decf io_uring/uring_cmd: ensure that device supports IOPOLL ...

commit 03b3d6be73 upstream.

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: 5756a3a7e7 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2023-03-17 08:57:45 +01:00

..

advise.c

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advise.h

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alloc_cache.h

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cancel.c

io_uring/cancel: re-grab ctx mutex after finishing wait

2022-12-21 13:31:40 -07:00

cancel.h

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epoll.c

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epoll.h

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fdinfo.c

io_uring/fdinfo: include locked hash table in fdinfo output

2023-01-10 10:24:52 -07:00

fdinfo.h

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filetable.c

io_uring/filetable: fix file reference underflow

2022-11-25 06:54:46 -07:00

filetable.h

io_uring: kill hot path fixed file bitmap debug checks

2022-10-16 17:07:53 -06:00

fs.c

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fs.h

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io_uring.c

io_uring: fix fget leak when fs don't support nowait buffered read

2023-03-10 09:29:24 +01:00

io_uring.h

io_uring: mark task TASK_RUNNING before handling resume/task work

2023-03-10 09:29:28 +01:00

io-wq.c

io_uring/io-wq: only free worker if it was allocated for creation

2023-01-08 10:39:17 -07:00

io-wq.h

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kbuf.c

io_uring: fix size calculation when registering buf ring

2023-03-11 13:50:35 +01:00

kbuf.h

io_uring: allow buffer recycling in READV

2022-09-21 10:30:43 -06:00

Makefile

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msg_ring.c

io_uring/msg_ring: fix remote queue to disabled ring

2023-01-20 09:49:34 -07:00

msg_ring.h

io_uring: get rid of double locking

2022-12-07 06:47:13 -07:00

net.c

io_uring: remove MSG_NOSIGNAL from recvmsg

2023-03-10 09:29:24 +01:00

net.h

io_uring/net: zerocopy sendmsg

2022-09-21 13:15:02 -06:00

nop.c

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nop.h

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notif.c

io_uring/net: move mm accounting to a slower path

2022-11-21 07:38:31 -07:00

notif.h

io_uring: move zc reporting from the hot path

2022-11-21 07:38:31 -07:00

opdef.c

io_uring,audit: don't log IORING_OP_MADVISE

2023-03-10 09:27:56 +01:00

opdef.h

io_uring: dont remove file from msg_ring reqs

2022-12-07 06:47:13 -07:00

openclose.c

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openclose.h

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poll.c

io_uring/poll: allow some retries for poll triggering spuriously

2023-03-10 09:29:24 +01:00

poll.h

io_uring/poll: allow some retries for poll triggering spuriously

2023-03-10 09:29:24 +01:00

refs.h

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rsrc.c

io_uring/rsrc: disallow multi-source reg buffers

2023-03-10 09:29:24 +01:00

rsrc.h

io_uring: use tw for putting rsrc

2022-12-07 06:47:13 -07:00

rw.c

io_uring: lock overflowing for IOPOLL

2023-01-13 07:32:46 -07:00

rw.h

io_uring/rw: don't lose partial IO result on fail

2022-09-21 13:15:02 -06:00

slist.h

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splice.c

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splice.h

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sqpoll.c

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sqpoll.h

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statx.c

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statx.h

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sync.c

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sync.h

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tctx.c

io_uring: remove io_register_submitter

2022-10-07 12:25:30 -06:00

tctx.h

io_uring: simplify __io_uring_add_tctx_node

2022-10-07 12:25:30 -06:00

timeout.c

io_uring: ease timeout flush locking requirements

2022-12-14 08:53:35 -07:00

timeout.h

io_uring: remove unused return from io_disarm_next

2022-09-21 13:15:01 -06:00

uring_cmd.c

io_uring/uring_cmd: ensure that device supports IOPOLL

2023-03-17 08:57:45 +01:00

uring_cmd.h

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xattr.c

acl: conver higher-level helpers to rely on mnt_idmap

2022-10-31 17:48:12 +01:00

xattr.h

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