Commit 8b27fbba authored by Maciej Szczepaniak's avatar Maciej Szczepaniak Committed by Tomasz Zawadzki
Browse files

lib/ftl: Make each ftl_l2p_set persistent when using pmem device for l2p 



Signed-off-by: default avatarMaciej Szczepaniak <maciej.szczepaniak@intel.com>
Change-Id: Ic176988664dc74d5c1d321914d7665516ba6704d
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/911


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 12642633

lib/ftl/ftl_core.h

+20 −0
Original line number Diff line number Diff line
@@ -49,6 +49,10 @@ 
#include "ftl_io.h"

#include "ftl_trace.h"



#ifdef SPDK_CONFIG_PMDK

#include "libpmem.h"

#endif /* SPDK_CONFIG_PMDK */



struct spdk_ftl_dev;

struct ftl_band;

struct ftl_zone;
@@ -376,6 +380,18 @@ ftl_addr_packed(const struct spdk_ftl_dev *dev) 
	return dev->addr_len < 32;

}



static inline void

ftl_l2p_lba_persist(const struct spdk_ftl_dev *dev, uint64_t lba)

{

#ifdef SPDK_CONFIG_PMDK

	size_t ftl_addr_size = ftl_addr_packed(dev) ? 4 : 8;

	pmem_persist((char *)dev->l2p + (lba * ftl_addr_size), ftl_addr_size);

#else /* SPDK_CONFIG_PMDK */

	SPDK_ERRLOG("Libpmem not available, cannot flush l2p to pmem\n");

	assert(0);

#endif /* SPDK_CONFIG_PMDK */

}



static inline int

ftl_addr_invalid(struct ftl_addr addr)

{
@@ -453,6 +469,10 @@ ftl_l2p_set(struct spdk_ftl_dev *dev, uint64_t lba, struct ftl_addr addr) 
	} else {

		_ftl_l2p_set64(dev->l2p, lba, addr.offset);

	}



	if (dev->l2p_pmem_len != 0) {

		ftl_l2p_lba_persist(dev, lba);

	}

}



static inline struct ftl_addr