From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- src/librbd/api/Io.h | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 src/librbd/api/Io.h (limited to 'src/librbd/api/Io.h') diff --git a/src/librbd/api/Io.h b/src/librbd/api/Io.h new file mode 100644 index 000000000..4e2ec5028 --- /dev/null +++ b/src/librbd/api/Io.h @@ -0,0 +1,65 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef LIBRBD_API_IO_H +#define LIBRBD_API_IO_H + +#include "include/int_types.h" +#include "librbd/io/ReadResult.h" + +namespace librbd { + +struct ImageCtx; +namespace io { struct AioCompletion; } + +namespace api { + +template +struct Io { + static ssize_t read(ImageCtxT &image_ctx, uint64_t off, uint64_t len, + io::ReadResult &&read_result, int op_flags); + static ssize_t write(ImageCtxT &image_ctx, uint64_t off, uint64_t len, + bufferlist &&bl, int op_flags); + static ssize_t discard(ImageCtxT &image_ctx, uint64_t off, uint64_t len, + uint32_t discard_granularity_bytes); + static ssize_t write_same(ImageCtxT &image_ctx, uint64_t off, uint64_t len, + bufferlist &&bl, int op_flags); + static ssize_t write_zeroes(ImageCtxT &image_ctx, uint64_t off, uint64_t len, + int zero_flags, int op_flags); + static ssize_t compare_and_write(ImageCtxT &image_ctx, uint64_t off, + uint64_t len, bufferlist &&cmp_bl, + bufferlist &&bl, uint64_t *mismatch_off, + int op_flags); + static int flush(ImageCtxT &image_ctx); + + static void aio_read(ImageCtxT &image_ctx, io::AioCompletion *c, uint64_t off, + uint64_t len, io::ReadResult &&read_result, int op_flags, + bool native_async); + static void aio_write(ImageCtxT &image_ctx, io::AioCompletion *c, + uint64_t off, uint64_t len, bufferlist &&bl, + int op_flags, bool native_async); + static void aio_discard(ImageCtxT &image_ctx, io::AioCompletion *c, + uint64_t off, uint64_t len, + uint32_t discard_granularity_bytes, + bool native_async); + static void aio_write_same(ImageCtxT &image_ctx, io::AioCompletion *c, + uint64_t off, uint64_t len, bufferlist &&bl, + int op_flags, bool native_async); + static void aio_write_zeroes(ImageCtxT &image_ctx, io::AioCompletion *c, + uint64_t off, uint64_t len, int zero_flags, + int op_flags, bool native_async); + static void aio_compare_and_write(ImageCtxT &image_ctx, io::AioCompletion *c, + uint64_t off, uint64_t len, + bufferlist &&cmp_bl, bufferlist &&bl, + uint64_t *mismatch_off, int op_flags, + bool native_async); + static void aio_flush(ImageCtxT &image_ctx, io::AioCompletion *c, + bool native_async); +}; + +} // namespace api +} // namespace librbd + +extern template class librbd::api::Io; + +#endif // LIBRBD_API_IO_H -- cgit v1.2.3