mirror of https://github.com/ceph/go-ceph
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
//go:build ceph_preview
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// +build ceph_preview
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package rados
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// #cgo LDFLAGS: -lrados
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// #include <rados/librados.h>
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// #include <stdlib.h>
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//
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import "C"
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import (
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"unsafe"
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)
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// SetAllocationHint sets allocation hint for an object. This is an advisory
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// operation, it will always succeed (as if it was submitted with a
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// LIBRADOS_OP_FLAG_FAILOK flag set) and is not guaranteed to do anything on
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// the backend.
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//
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// Implements:
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// int rados_set_alloc_hint2(rados_ioctx_t io,
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// const char *o,
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// uint64_t expected_object_size,
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// uint64_t expected_write_size,
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// uint32_t flags);
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func (ioctx *IOContext) SetAllocationHint(oid string, expectedObjectSize uint64, expectedWriteSize uint64, flags AllocHintFlags) error {
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coid := C.CString(oid)
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defer C.free(unsafe.Pointer(coid))
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return getError(C.rados_set_alloc_hint2(
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ioctx.ioctx,
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coid,
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(C.uint64_t)(expectedObjectSize),
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(C.uint64_t)(expectedWriteSize),
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(C.uint32_t)(flags),
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))
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}
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