diff options
| author | Javier González <jg@lightnvm.io> | 2016-11-28 22:38:54 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-11-29 20:12:51 +0100 |
| commit | bb3149792e0ed52cf5f457dda4c9bf9c5bda1542 (patch) | |
| tree | 1b85ed6347013add8d1aa00c912e6674210b27c5 /drivers/lightnvm | |
| parent | nvme: lightnvm: attach lightnvm sysfs to nvme block device (diff) | |
| download | linux-bb3149792e0ed52cf5f457dda4c9bf9c5bda1542.tar.xz linux-bb3149792e0ed52cf5f457dda4c9bf9c5bda1542.zip | |
lightnvm: enable to send hint to erase command
Erases might be subject to host hints. An example is multi-plane
programming to erase blocks in parallel. Enable targets to specify this
hint.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm')
| -rw-r--r-- | drivers/lightnvm/core.c | 9 | ||||
| -rw-r--r-- | drivers/lightnvm/gennvm.c | 5 | ||||
| -rw-r--r-- | drivers/lightnvm/rrpc.c | 2 | ||||
| -rw-r--r-- | drivers/lightnvm/sysblk.c | 4 |
4 files changed, 11 insertions, 9 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 11117404b5f5..8664fe09cc82 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -202,9 +202,9 @@ int nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd) } EXPORT_SYMBOL(nvm_submit_io); -int nvm_erase_blk(struct nvm_dev *dev, struct nvm_block *blk) +int nvm_erase_blk(struct nvm_dev *dev, struct nvm_block *blk, int flags) { - return dev->mt->erase_blk(dev, blk, 0); + return dev->mt->erase_blk(dev, blk, flags); } EXPORT_SYMBOL(nvm_erase_blk); @@ -285,7 +285,8 @@ void nvm_free_rqd_ppalist(struct nvm_dev *dev, struct nvm_rq *rqd) } EXPORT_SYMBOL(nvm_free_rqd_ppalist); -int nvm_erase_ppa(struct nvm_dev *dev, struct ppa_addr *ppas, int nr_ppas) +int nvm_erase_ppa(struct nvm_dev *dev, struct ppa_addr *ppas, int nr_ppas, + int flags) { struct nvm_rq rqd; int ret; @@ -301,6 +302,8 @@ int nvm_erase_ppa(struct nvm_dev *dev, struct ppa_addr *ppas, int nr_ppas) nvm_generic_to_addr_mode(dev, &rqd); + rqd.flags = flags; + ret = dev->ops->erase_block(dev, &rqd); nvm_free_rqd_ppalist(dev, &rqd); diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c index b74174c6d021..730d7361f870 100644 --- a/drivers/lightnvm/gennvm.c +++ b/drivers/lightnvm/gennvm.c @@ -593,12 +593,11 @@ static int gen_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd) return dev->ops->submit_io(dev, rqd); } -static int gen_erase_blk(struct nvm_dev *dev, struct nvm_block *blk, - unsigned long flags) +static int gen_erase_blk(struct nvm_dev *dev, struct nvm_block *blk, int flags) { struct ppa_addr addr = block_to_ppa(dev, blk); - return nvm_erase_ppa(dev, &addr, 1); + return nvm_erase_ppa(dev, &addr, 1, flags); } static int gen_reserve_lun(struct nvm_dev *dev, int lunid) diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index 37fcaadbf80c..067e890ae2bf 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -404,7 +404,7 @@ static void rrpc_block_gc(struct work_struct *work) if (rrpc_move_valid_pages(rrpc, rblk)) goto put_back; - if (nvm_erase_blk(dev, rblk->parent)) + if (nvm_erase_blk(dev, rblk->parent, 0)) goto put_back; rrpc_put_blk(rrpc, rblk); diff --git a/drivers/lightnvm/sysblk.c b/drivers/lightnvm/sysblk.c index a75bd28aaca3..d22906757415 100644 --- a/drivers/lightnvm/sysblk.c +++ b/drivers/lightnvm/sysblk.c @@ -379,7 +379,7 @@ static int nvm_prepare_new_sysblks(struct nvm_dev *dev, struct sysblk_scan *s) ppa = &s->ppas[scan_ppa_idx(i, nxt_blk)]; ppa->g.pg = ppa_to_slc(dev, 0); - ret = nvm_erase_ppa(dev, ppa, 1); + ret = nvm_erase_ppa(dev, ppa, 1, 0); if (ret) return ret; @@ -725,7 +725,7 @@ int nvm_dev_factory(struct nvm_dev *dev, int flags) /* continue to erase until list of blks until empty */ while ((ppa_cnt = nvm_fact_get_blks(dev, ppas, max_ppas, blk_bitmap)) > 0) - nvm_erase_ppa(dev, ppas, ppa_cnt); + nvm_erase_ppa(dev, ppas, ppa_cnt, 0); /* mark host reserved blocks free */ if (flags & NVM_FACTORY_RESET_HOST_BLKS) { |