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io_uring: add support for IORING_OP_SYMLINKAT

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IORING_OP_SYMLINKAT behaves like symlinkat(2) and takes the same flags
and arguments.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Suggested-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/io-uring/20210514145259.wtl4xcsp52woi6ab@wittgenstein/
Signed-off-by: Dmitry Kadashev <dkadashev@gmail.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20210708063447.3556403-11-dkadashev@gmail.com
[axboe: add splice_fd_in check]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dmitry Kadashev
2021-07-08 13:34:46 +07:00
committed by Jens Axboe
parent e34a02dc40
commit 7a8721f84f
4 changed files with 70 additions and 2 deletions
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1
include/uapi/linux/io_uring.h
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@@ -134,6 +134,7 @@ enum {
IORING_OP_RENAMEAT,
IORING_OP_UNLINKAT,
IORING_OP_MKDIRAT,
IORING_OP_SYMLINKAT,
/* this goes last, obviously */
IORING_OP_LAST,