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io_uring/cmd: Introduce SOCKET_URING_OP_SETSOCKOPT

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Add initial support for SOCKET_URING_OP_SETSOCKOPT. This new command is
similar to setsockopt. This implementation leverages the function
do_sock_setsockopt(), which is shared with the setsockopt() system call
path.

Important to say that userspace needs to keep the pointer's memory alive
until the operation is completed. I.e, the memory could not be
deallocated before the CQE is returned to userspace.

Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Gabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20231016134750.1381153-11-leitao@debian.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Breno Leitao 2023-10-16 06:47:48 -07:00 • committed by Jens Axboe
parent a5d2f99aff
commit 4232c6e349
2 changed files with 22 additions and 0 deletions
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include/uapi/linux/io_uring.h
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@ -743,6 +743,7 @@ enum {
SOCKET_URING_OP_SIOCINQ = 0,
SOCKET_URING_OP_SIOCOUTQ,
SOCKET_URING_OP_GETSOCKOPT,
SOCKET_URING_OP_SETSOCKOPT,
};
#ifdef __cplusplus