Commit dcd19bdb authored by GangCao's avatar GangCao Committed by Daniel Verkamp
Browse files

nvme: add the shared mutex init function for g_spdk_nvme_driver 



Change-Id: Ib2a89beffb58004fdfd5a308feb6de2307dd5b81
Signed-off-by: default avatarGangCao <gang.cao@intel.com>
parent 6e09a48e

lib/nvme/nvme.c

+17 −0
Original line number Diff line number Diff line
@@ -156,6 +156,23 @@ nvme_free_request(struct nvme_request *req) 
	nvme_dealloc_request(req);

}



int

nvme_mutex_init_shared(pthread_mutex_t *mtx)

{

	pthread_mutexattr_t attr;

	int rc = 0;



	if (pthread_mutexattr_init(&attr)) {

		return -1;

	}

	if (pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED) ||

	    pthread_mutex_init(mtx, &attr)) {

		rc = -1;

	}

	pthread_mutexattr_destroy(&attr);

	return rc;

}



struct nvme_enum_ctx {

	spdk_nvme_probe_cb probe_cb;

	void *cb_ctx;

lib/nvme/nvme_internal.h

+2 −0
Original line number Diff line number Diff line
@@ -580,4 +580,6 @@ bool nvme_intel_has_quirk(struct pci_id *id, uint64_t quirk); 


void	spdk_nvme_ctrlr_opts_set_defaults(struct spdk_nvme_ctrlr_opts *opts);



int	nvme_mutex_init_shared(pthread_mutex_t *mtx);



#endif /* __NVME_INTERNAL_H__ */