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linux/io_uring
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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>
History 2023-03-17 08:57:45 +01:00
..
advise.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
advise.h io_uring: split out fadvise/madvise operations 2022-07-24 18:39:11 -06:00
alloc_cache.h io_uring: impose max limit on apoll cache 2022-07-24 18:39:17 -06:00
cancel.c io_uring/cancel: re-grab ctx mutex after finishing wait 2022-12-21 13:31:40 -07:00
cancel.h io_uring: add sync cancelation API through io_uring_register() 2022-07-24 18:39:15 -06:00
epoll.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
epoll.h io_uring: move epoll handler to its own file 2022-07-24 18:39:11 -06:00
fdinfo.c io_uring/fdinfo: include locked hash table in fdinfo output 2023-01-10 10:24:52 -07:00
fdinfo.h io_uring: move fdinfo helpers to its own file 2022-07-24 18:39:12 -06:00
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 io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
fs.h io_uring: split out filesystem related operations 2022-07-24 18:39:11 -06:00
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 io_uring: move list helpers to a separate file 2022-07-24 18:39:15 -06:00
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
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 io_uring: add zc notification infrastructure 2022-07-24 18:41:06 -06:00
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 io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
nop.h io_uring: move nop into its own file 2022-07-24 18:39:11 -06:00
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 io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
openclose.h io_uring: split out fixed file installation and removal 2022-07-24 18:39:16 -06:00
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 io_uring: make io_uring_types.h public 2022-07-24 18:39:14 -06:00
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 io_uring: move list helpers to a separate file 2022-07-24 18:39:15 -06:00
splice.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
splice.h io_uring: split out splice related operations 2022-07-24 18:39:11 -06:00
sqpoll.c audit, io_uring, io-wq: Fix memory leak in io_sq_thread() and io_wqe_worker() 2022-08-04 08:33:54 -06:00
sqpoll.h io_uring: move SQPOLL related handling into its own file 2022-07-24 18:39:12 -06:00
statx.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
statx.h io_uring: move statx handling to its own file 2022-07-24 18:39:11 -06:00
sync.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
sync.h io_uring: split out fs related sync/fallocate functions 2022-07-24 18:39:11 -06:00
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 io_uring: move uring_cmd handling to its own file 2022-07-24 18:39:11 -06:00
xattr.c acl: conver higher-level helpers to rely on mnt_idmap 2022-10-31 17:48:12 +01:00
xattr.h io_uring: move xattr related opcodes to its own file 2022-07-24 18:39:11 -06:00