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It is not possible to install barrier.h and compat.h into the top-level
/usr/include directly since they are likely to conflict with other
software. io_uring.h could be confused with the system's kernel header
file.
Put liburing headers into <liburing/*.h> so there is no chance of
conflicts or confusion.
Existing applications continue to build successfully since the location
of <liburing.h> is unchanged. In-tree examples and tests require
modification because src/liburing.h is moved to src/include/liburing.h.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This syncs with io_uring-next, which has support for doing recvmsg
and sendmsg through io_uring.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add sync_range_file opcode and related fields, and the
io_uring_register(2) commands for eventfd registration.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Just a basic test case that does various forms of linked nops, and
a sample bare bones copy program using linked reads and writes.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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I generalized the barrier flag to be applicable to all commands, so
let's drop the fsync special flag.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Also changes the fsync prep helper to require passing in the actual
flag, not just a boolean for fsync vs fdatasync.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This cache hint has been removed from the io_uring series, as there's
some hesitation to leak this information to userspace. Remove it from
the header file and the man page. We can always re-introduce it later,
if we get some variant of this included.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Just a removal of the IORING_MAX_ENTRIES user visible define.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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- struct io_uring_params changed (u16 -> u32 for sq options)
- Use unsigned for the flag types
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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- Fixed buffers are now available through io_uring_register()
- Various thread/wq options are now dead and automatic instead
- sqe->index is now sqe->buf_index
- Fixed buffers require flag, not separate opcode
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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- io_uring_sqe added a data field that's passed back at completion
- io_uring_sqe added an index field, for fixed buffer locations
- io_uring_setup(2) system call added a 'nr_iovecs' field
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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