Add RAID5 implementation

module/bdev/raid/Makefile

@@ -10,7 +10,7 @@ SO_VER := 5
 SO_MINOR := 0
 
 CFLAGS += -I$(SPDK_ROOT_DIR)/lib/bdev/
-C_SRCS = bdev_raid.c bdev_raid_rpc.c raid0.c raid1.c concat.c
+C_SRCS = bdev_raid.c bdev_raid_rpc.c raid0.c raid1.c concat.c raid5.c
 
 ifeq ($(CONFIG_RAID5F),y)
 C_SRCS += raid5f.c

module/bdev/raid/bdev_raid.c

@@ -62,7 +62,7 @@ static void	raid_bdev_deconfigure(struct raid_bdev *raid_bdev,
  * 0 - success
  * non zero - failure
  */
-static int
+int
 raid_bdev_create_cb(void *io_device, void *ctx_buf)
 {
 	struct raid_bdev            *raid_bdev = io_device;
@@ -134,7 +134,7 @@ raid_bdev_create_cb(void *io_device, void *ctx_buf)
  * returns:
  * none
  */
-static void
+void
 raid_bdev_destroy_cb(void *io_device, void *ctx_buf)
 {
 	struct raid_bdev_io_channel *raid_ch = ctx_buf;
@@ -763,6 +763,8 @@ static struct {
 	{ "0", RAID0 },
 	{ "raid1", RAID1 },
 	{ "1", RAID1 },
+	{ "raid5", RAID5 },
+	{ "5", RAID5 },
 	{ "raid5f", RAID5F },
 	{ "5f", RAID5F },
 	{ "concat", CONCAT },

module/bdev/raid/bdev_raid.h

@@ -13,6 +13,7 @@ enum raid_level {
 	INVALID_RAID_LEVEL	= -1,
 	RAID0			= 0,
 	RAID1			= 1,
+	RAID5			= 5,
 	RAID5F			= 95, /* 0x5f */
 	CONCAT			= 99,
 };
@@ -269,6 +270,9 @@ __RAID_MODULE_REGISTER(__LINE__)(void)					\
     raid_bdev_module_list_add(_module);					\
 }
 
+int raid_bdev_create_cb(void *io_device, void *ctx_buf);
+void raid_bdev_destroy_cb(void *io_device, void *ctx_buf);
+
 bool raid_bdev_io_complete_part(struct raid_bdev_io *raid_io, uint64_t completed,
 				enum spdk_bdev_io_status status);
 void raid_bdev_queue_io_wait(struct raid_bdev_io *raid_io, struct spdk_bdev *bdev,