Commit d3d1a438 authored by Wenwei Tao's avatar Wenwei Tao Committed by Jens Axboe
Browse files

lightnvm: put blks when luns configure failed 



Put the allocated blocks back to the free list
when the luns configure failed, to make these
blocks useable to others.

Signed-off-by: default avatarWenwei Tao <ww.tao0320@gmail.com>
Signed-off-by: default avatarMatias Bjørling <m@bjorling.me>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent f27a6299

drivers/lightnvm/rrpc.c

+19 −2
Original line number Diff line number Diff line
@@ -202,6 +202,20 @@ static void rrpc_put_blk(struct rrpc *rrpc, struct rrpc_block *rblk) 
	nvm_put_blk(rrpc->dev, rblk->parent);

}



static void rrpc_put_blks(struct rrpc *rrpc)

{

	struct rrpc_lun *rlun;

	int i;



	for (i = 0; i < rrpc->nr_luns; i++) {

		rlun = &rrpc->luns[i];

		if (rlun->cur)

			rrpc_put_blk(rrpc, rlun->cur);

		if (rlun->gc_cur)

			rrpc_put_blk(rrpc, rlun->gc_cur);

	}

}



static struct rrpc_lun *get_next_lun(struct rrpc *rrpc)

{

	int next = atomic_inc_return(&rrpc->next_lun);
@@ -1224,18 +1238,21 @@ static int rrpc_luns_configure(struct rrpc *rrpc) 


		rblk = rrpc_get_blk(rrpc, rlun, 0);

		if (!rblk)

			return -EINVAL;

			goto err;



		rrpc_set_lun_cur(rlun, rblk);



		/* Emergency gc block */

		rblk = rrpc_get_blk(rrpc, rlun, 1);

		if (!rblk)

			return -EINVAL;

			goto err;

		rlun->gc_cur = rblk;

	}



	return 0;

err:

	rrpc_put_blks(rrpc);

	return -EINVAL;

}



static struct nvm_tgt_type tt_rrpc;