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Introduce ocf_forward_metadata()

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Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
This commit is contained in:
Robert Baldyga
2023-10-13 15:26:13 +02:00
committed by Michal Mielewczyk
parent 17144e5d32
commit 5859e432c8
7 changed files with 72 additions and 0 deletions
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19
src/ocf_request.c
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@@ -479,6 +479,18 @@ void ocf_req_forward_cache_write_zeros(struct ocf_request *req, uint64_t addr,
ocf_volume_forward_write_zeros(volume, token, addr, bytes);
}
void ocf_req_forward_cache_metadata(struct ocf_request *req, int dir,
uint64_t addr, uint64_t bytes, uint64_t offset)
{
ocf_volume_t volume = ocf_cache_get_volume(req->cache);
ocf_forward_token_t token = ocf_req_to_cache_forward_token(req);
req->cache_error = 0;
ocf_req_forward_cache_get(req);
ocf_volume_forward_metadata(volume, token, dir, addr, bytes, offset);
}
void ocf_req_forward_core_io(struct ocf_request *req, int dir, uint64_t addr,
uint64_t bytes, uint64_t offset)
{
@@ -563,6 +575,13 @@ void ocf_forward_write_zeros(ocf_volume_t volume, ocf_forward_token_t token,
ocf_volume_forward_write_zeros(volume, token, addr, bytes);
}
void ocf_forward_metadata(ocf_volume_t volume, ocf_forward_token_t token,
int dir, uint64_t addr, uint64_t bytes, uint64_t offset)
{
_ocf_forward_get(token);
ocf_volume_forward_metadata(volume, token, dir, addr, bytes, offset);
}
void ocf_forward_end(ocf_forward_token_t token, int error)
{
struct ocf_request *req = ocf_req_forward_token_to_req(token);

3
src/ocf_request.h
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@@ -564,6 +564,9 @@ void ocf_req_forward_cache_discard(struct ocf_request *req, uint64_t addr,
void ocf_req_forward_cache_write_zeros(struct ocf_request *req, uint64_t addr,
uint64_t bytes);
void ocf_req_forward_cache_metadata(struct ocf_request *req, int dir,
uint64_t addr, uint64_t bytes, uint64_t offset);
void ocf_req_forward_core_io(struct ocf_request *req, int dir, uint64_t addr,
uint64_t bytes, uint64_t offset);

14
src/ocf_volume.c
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@@ -384,6 +384,20 @@ void ocf_volume_forward_write_zeros(ocf_volume_t volume,
addr, bytes);
}
void ocf_volume_forward_metadata(ocf_volume_t volume, ocf_forward_token_t token,
int dir, uint64_t addr, uint64_t bytes, uint64_t offset)
{
ENV_BUG_ON(!volume->type->properties->ops.forward_metadata);
if (!volume->opened) {
ocf_forward_end(token, -OCF_ERR_IO);
return;
}
volume->type->properties->ops.forward_metadata(volume, token,
dir, addr, bytes, offset);
}
int ocf_volume_open(ocf_volume_t volume, void *volume_params)
{
int ret;

3
src/ocf_volume_priv.h
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@@ -58,6 +58,9 @@ void ocf_volume_forward_discard(ocf_volume_t volume, ocf_forward_token_t token,
void ocf_volume_forward_write_zeros(ocf_volume_t volume,
ocf_forward_token_t token, uint64_t addr, uint64_t bytes);
void ocf_volume_forward_metadata(ocf_volume_t volume, ocf_forward_token_t token,
int dir, uint64_t addr, uint64_t bytes, uint64_t offset);
static inline void ocf_volume_submit_metadata(struct ocf_io *io)
{
ocf_volume_t volume = ocf_io_get_volume(io);