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include/copy_engine.h: add comments for callback functions

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Change-Id: Id731686e21df1bc2b077f729ab395719b437e4de
Signed-off-by: Yanbo Zhou <yanbo.zhou@intel.com>
Reviewed-on: https://review.gerrithub.io/407689
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
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Yanbo Zhou 2018-04-16 12:23:59 +08:00 committed by Changpeng Liu
parent c4bb0ea600
commit 9a9bef0a9a
1 changed files with 12 additions and 0 deletions
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12
include/spdk/copy_engine.h
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@ -44,7 +44,19 @@
extern "C" {
#endif
/**
* Copy operation callback.
*
* \param ref 'copy_req' passed to the corresponding spdk_copy_submit() call.
* \param status 0 if it completed successfully, or negative errno if it failed.
*/
typedef void (*spdk_copy_completion_cb)(void *ref, int status);
/**
* Copy engine finish callback.
*
* \param cb_arg Callback argument.
*/
typedef void (*spdk_copy_fini_cb)(void *cb_arg);
struct spdk_io_channel;