From d3d1a43842077c53e22dedaebfe7cb52022b18e1 Mon Sep 17 00:00:00 2001 From: Wenwei Tao Date: Sun, 6 Dec 2015 11:25:44 +0100 Subject: [PATCH] lightnvm: put blks when luns configure failed MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Put the allocated blocks back to the free list when the luns configure failed, to make these blocks useable to others. Signed-off-by: Wenwei Tao Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/rrpc.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index d606c7a50b71..cf1a4a515b76 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -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; -- 2.20.1