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author | Pavel Begunkov <asml.silence@gmail.com> | 2024-03-03 23:59:17 +0000 |
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committer | Jens Axboe <axboe@kernel.dk> | 2024-03-04 05:29:41 -0700 |
commit | 7dccf035cbca029f2ca863aaa074aa75a9d61fec (patch) | |
tree | ee06a11e4ad44429bed3c74594099234ef6c7443 | |
parent | 2b353a85abed9d19201bd947f3efca6a630e476a (diff) | |
download | liburing-7dccf035cbca029f2ca863aaa074aa75a9d61fec.tar.gz |
man/io_uring_setup.2: document IORING_SETUP_NO_SQARRAY
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/dc574ee0e7eebe7deb691ddb18b9643495ea8331.1709510250.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r-- | man/io_uring_setup.2 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/man/io_uring_setup.2 b/man/io_uring_setup.2 index c86f2e73..f65c1f29 100644 --- a/man/io_uring_setup.2 +++ b/man/io_uring_setup.2 @@ -327,6 +327,18 @@ when calling .BR io_uring_register (2). Available since 6.5. +.TP +.B IORING_SETUP_NO_SQARRAY +If this flag is set, entries in the submission queue will be submitted in order, +wrapping around to the first entry after reaching the end of the queue. In other +words, there will be no more indirection via the array of submission entries, +and the queue will be indexed directly by the submission queue tail and the +range of indexed represented by it modulo queue size. Subsequently, the user +should not map the array of submission queue entries, and the corresponding +offset in +.I struct io_sqring_offsets +will be set to zero. Available since 6.6. + .PP If no flags are specified, the io_uring instance is setup for interrupt driven I/O. I/O may be submitted using |