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| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-06-10 16:37:38 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-10 16:33:51 -0600 |
| commit | 9690557e22d63f13534fd167d293ac8ed8b104f9 (patch) | |
| tree | 9b63395f775b4f1dbb4e403ff46aca6bb0eeb83d | |
| parent | 992da01aa932b432ef8dc3885fa76415b5dbe43f (diff) | |
| download | linux-9690557e22d63f13534fd167d293ac8ed8b104f9.tar.bz2 | |
io_uring: add feature flag for rsrc tags
Add IORING_FEAT_RSRC_TAGS indicating that io_uring supports a bunch of
new IORING_REGISTER operations, in particular
IORING_REGISTER_[FILES[,UPDATE]2,BUFFERS[2,UPDATE]] that support rsrc
tagging, and also indicating implemented dynamic fixed buffer updates.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9b995d4045b6c6b4ab7510ca124fd25ac2203af7.1623339162.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/io_uring.c | 3 | ||||
| -rw-r--r-- | include/uapi/linux/io_uring.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 663fef3d56df..fa8794c61af7 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -9676,7 +9676,8 @@ static int io_uring_create(unsigned entries, struct io_uring_params *p, IORING_FEAT_SUBMIT_STABLE | IORING_FEAT_RW_CUR_POS | IORING_FEAT_CUR_PERSONALITY | IORING_FEAT_FAST_POLL | IORING_FEAT_POLL_32BITS | IORING_FEAT_SQPOLL_NONFIXED | - IORING_FEAT_EXT_ARG | IORING_FEAT_NATIVE_WORKERS; + IORING_FEAT_EXT_ARG | IORING_FEAT_NATIVE_WORKERS | + IORING_FEAT_RSRC_TAGS; if (copy_to_user(params, p, sizeof(*p))) { ret = -EFAULT; diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 48b4ddcd56ff..162ff99ed2cb 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -280,6 +280,7 @@ struct io_uring_params { #define IORING_FEAT_SQPOLL_NONFIXED (1U << 7) #define IORING_FEAT_EXT_ARG (1U << 8) #define IORING_FEAT_NATIVE_WORKERS (1U << 9) +#define IORING_FEAT_RSRC_TAGS (1U << 10) /* * io_uring_register(2) opcodes and arguments |