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io_uring depends on the caller specifying the index into the array
of registered buffers for doing pre-mapped IO. Make this explicit
by requiring the caller to pass in this value for the
io_uring_prep_read_fixed() and io_uring_prep_write_fixed() helpers.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The names of the barriers conflict with the namespaces of other projects
when trying to directly include liburing.h. Avoid using popular global
names.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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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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