From f27a62995330fdc5f804acf2ebf1444f9025c879 Mon Sep 17 00:00:00 2001 From: Wenwei Tao Date: Sun, 6 Dec 2015 11:25:43 +0100 Subject: lightnvm: use flags in rrpc_get_blk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit rrpc_get_blk use constant 0 as the input parameter of nvm_get_blk, this may result in getting gc block failed unexpectedly. Signed-off-by: Wenwei Tao Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/rrpc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/lightnvm/rrpc.c') diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index 75e59c3a3f96..d606c7a50b71 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -182,7 +182,7 @@ static struct rrpc_block *rrpc_get_blk(struct rrpc *rrpc, struct rrpc_lun *rlun, struct nvm_block *blk; struct rrpc_block *rblk; - blk = nvm_get_blk(rrpc->dev, rlun->parent, 0); + blk = nvm_get_blk(rrpc->dev, rlun->parent, flags); if (!blk) return NULL; -- cgit From d3d1a43842077c53e22dedaebfe7cb52022b18e1 Mon Sep 17 00:00:00 2001 From: Wenwei Tao Date: Sun, 6 Dec 2015 11:25:44 +0100 Subject: lightnvm: put blks when luns configure failed MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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(-) (limited to 'drivers/lightnvm/rrpc.c') 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; -- cgit From 16f26c3aa9b9c36a9d1092ae3258461d1008481e Mon Sep 17 00:00:00 2001 From: Matias Bjørling Date: Sun, 6 Dec 2015 11:25:48 +0100 Subject: lightnvm: replace req queue with nvmdev for lld MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In the case where a request queue is passed to the low lever lightnvm device drive integration, the device driver might pass its admin commands through another queue. Instead pass nvm_dev, and let the low level drive the appropriate queue. Reported-by: Christoph Hellwig Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/rrpc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/lightnvm/rrpc.c') diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index cf1a4a515b76..134e4faba482 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -1016,7 +1016,7 @@ static int rrpc_map_init(struct rrpc *rrpc) return 0; /* Bring up the mapping table from device */ - ret = dev->ops->get_l2p_tbl(dev->q, 0, dev->total_pages, + ret = dev->ops->get_l2p_tbl(dev, 0, dev->total_pages, rrpc_l2p_update, rrpc); if (ret) { pr_err("nvm: rrpc: could not read L2P table.\n"); -- cgit