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bdev/xnvme: Use bdev_unregister_by_name() to delete a xnvme bdev

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Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Change-Id: I4551dee96f3241f6004fc3b8ad0381082551db8e
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16587
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Shuhei Matsumoto 2023-01-31 17:34:27 +09:00 committed by Jim Harris
parent 916fb46915
commit 3c5fdc0610
3 changed files with 7 additions and 58 deletions
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37
module/bdev/xnvme/bdev_xnvme.c
View File

@ -417,42 +417,15 @@ error_return:
return NULL;
}
struct delete_xnvme_bdev_ctx {
struct bdev_xnvme *xnvme;
spdk_delete_xnvme_complete cb_fn;
void *cb_arg;
};
static void
xnvme_bdev_unregister_cb(void *arg, int bdeverrno)
{
struct delete_xnvme_bdev_ctx *ctx = arg;
ctx->cb_fn(ctx->cb_arg, bdeverrno);
free(ctx);
}
void
delete_xnvme_bdev(struct spdk_bdev *bdev, spdk_delete_xnvme_complete cb_fn, void *cb_arg)
delete_xnvme_bdev(const char *name, spdk_bdev_unregister_cb cb_fn, void *cb_arg)
{
struct delete_xnvme_bdev_ctx *ctx;
struct bdev_xnvme *xnvme = (struct bdev_xnvme *)bdev->ctxt;
int rc;
if (!bdev || bdev->module != &xnvme_if) {
cb_fn(cb_arg, -ENODEV);
return;
rc = spdk_bdev_unregister_by_name(name, &xnvme_if, cb_fn, cb_arg);
if (rc != 0) {
cb_fn(cb_arg, rc);
}
ctx = calloc(1, sizeof(*ctx));
if (ctx == NULL) {
cb_fn(cb_arg, -ENOMEM);
return;
}
ctx->xnvme = xnvme;
ctx->cb_fn = cb_fn;
ctx->cb_arg = cb_arg;
spdk_bdev_unregister(bdev, xnvme_bdev_unregister_cb, ctx);
}
static int

4
module/bdev/xnvme/bdev_xnvme.h
View File

@ -13,11 +13,9 @@
#include "spdk/bdev_module.h"
typedef void (*spdk_delete_xnvme_complete)(void *cb_arg, int bdeverrno);
struct spdk_bdev *create_xnvme_bdev(const char *name, const char *filename,
const char *io_mechanism, bool conserve_cpu);
void delete_xnvme_bdev(struct spdk_bdev *bdev, spdk_delete_xnvme_complete cb_fn, void *cb_arg);
void delete_xnvme_bdev(const char *name, spdk_bdev_unregister_cb cb_fn, void *cb_arg);
#endif /* SPDK_BDEV_XNVME_H */

24
module/bdev/xnvme/bdev_xnvme_rpc.c
View File

@ -35,11 +35,6 @@ static const struct spdk_json_object_decoder rpc_create_xnvme_decoders[] = {
{"conserve_cpu", offsetof(struct rpc_create_xnvme, conserve_cpu), spdk_json_decode_bool, true},
};
static void
dummy_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *ctx)
{
}
/* Decode the parameters for this RPC method and properly create the xnvme
* device. Error status returned in the failed cases.
*/
@ -108,9 +103,6 @@ rpc_bdev_xnvme_delete(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_delete_xnvme req = {NULL};
struct spdk_bdev_desc *desc;
struct spdk_bdev *bdev = NULL;
int rc;
if (spdk_json_decode_object(params, rpc_delete_xnvme_decoders,
SPDK_COUNTOF(rpc_delete_xnvme_decoders),
@ -120,21 +112,7 @@ rpc_bdev_xnvme_delete(struct spdk_jsonrpc_request *request,
goto cleanup;
}
rc = spdk_bdev_open_ext(req.name, false, dummy_bdev_event_cb, NULL, &desc);
if (rc == 0) {
bdev = spdk_bdev_desc_get_bdev(desc);
spdk_bdev_close(desc);
} else {
spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
goto cleanup;
}
if (bdev == NULL) {
spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
goto cleanup;
}
delete_xnvme_bdev(bdev, _rpc_bdev_xnvme_delete_cb, request);
delete_xnvme_bdev(req.name, _rpc_bdev_xnvme_delete_cb, request);
cleanup:
free_rpc_delete_xnvme(&req);