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author | Javier González <javier@cnexlabs.com> | 2018-03-30 00:05:10 +0200 |
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committer | Jens Axboe <axboe@kernel.dk> | 2018-03-29 17:29:09 -0600 |
commit | e46f4e4822bdecf9bcbc2e71b2a3ae7f37464a2d (patch) | |
tree | f69895ed8945edc7be7e80186ad7b4568d367db5 /drivers/lightnvm/pblk-sysfs.c | |
parent | 43d47127219de1dd674b917c1835baa14c4c1768 (diff) | |
download | linux-e46f4e4822bdecf9bcbc2e71b2a3ae7f37464a2d.tar.gz linux-e46f4e4822bdecf9bcbc2e71b2a3ae7f37464a2d.tar.bz2 linux-e46f4e4822bdecf9bcbc2e71b2a3ae7f37464a2d.zip |
lightnvm: simplify geometry structure
Currently, the device geometry is stored redundantly in the nvm_id and
nvm_geo structures at a device level. Moreover, when instantiating
targets on a specific number of LUNs, these structures are replicated
and manually modified to fit the instance channel and LUN partitioning.
Instead, create a generic geometry around nvm_geo, which can be used by
(i) the underlying device to describe the geometry of the whole device,
and (ii) instances to describe their geometry independently.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-sysfs.c')
-rw-r--r-- | drivers/lightnvm/pblk-sysfs.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/lightnvm/pblk-sysfs.c b/drivers/lightnvm/pblk-sysfs.c index c2cf6c939752..2474ef4366fa 100644 --- a/drivers/lightnvm/pblk-sysfs.c +++ b/drivers/lightnvm/pblk-sysfs.c @@ -113,26 +113,31 @@ static ssize_t pblk_sysfs_ppaf(struct pblk *pblk, char *page) { struct nvm_tgt_dev *dev = pblk->dev; struct nvm_geo *geo = &dev->geo; + struct nvm_addrf_12 *ppaf; + struct nvm_addrf_12 *geo_ppaf; ssize_t sz = 0; - sz = snprintf(page, PAGE_SIZE - sz, + ppaf = (struct nvm_addrf_12 *)&pblk->ppaf; + geo_ppaf = (struct nvm_addrf_12 *)&geo->addrf; + + sz = snprintf(page, PAGE_SIZE, "g:(b:%d)blk:%d/%d,pg:%d/%d,lun:%d/%d,ch:%d/%d,pl:%d/%d,sec:%d/%d\n", - pblk->ppaf_bitsize, - pblk->ppaf.blk_offset, geo->ppaf.blk_len, - pblk->ppaf.pg_offset, geo->ppaf.pg_len, - pblk->ppaf.lun_offset, geo->ppaf.lun_len, - pblk->ppaf.ch_offset, geo->ppaf.ch_len, - pblk->ppaf.pln_offset, geo->ppaf.pln_len, - pblk->ppaf.sec_offset, geo->ppaf.sect_len); + pblk->ppaf_bitsize, + ppaf->blk_offset, ppaf->blk_len, + ppaf->pg_offset, ppaf->pg_len, + ppaf->lun_offset, ppaf->lun_len, + ppaf->ch_offset, ppaf->ch_len, + ppaf->pln_offset, ppaf->pln_len, + ppaf->sect_offset, ppaf->sect_len); sz += snprintf(page + sz, PAGE_SIZE - sz, "d:blk:%d/%d,pg:%d/%d,lun:%d/%d,ch:%d/%d,pl:%d/%d,sec:%d/%d\n", - geo->ppaf.blk_offset, geo->ppaf.blk_len, - geo->ppaf.pg_offset, geo->ppaf.pg_len, - geo->ppaf.lun_offset, geo->ppaf.lun_len, - geo->ppaf.ch_offset, geo->ppaf.ch_len, - geo->ppaf.pln_offset, geo->ppaf.pln_len, - geo->ppaf.sect_offset, geo->ppaf.sect_len); + geo_ppaf->blk_offset, geo_ppaf->blk_len, + geo_ppaf->pg_offset, geo_ppaf->pg_len, + geo_ppaf->lun_offset, geo_ppaf->lun_len, + geo_ppaf->ch_offset, geo_ppaf->ch_len, + geo_ppaf->pln_offset, geo_ppaf->pln_len, + geo_ppaf->sect_offset, geo_ppaf->sect_len); return sz; } @@ -288,7 +293,7 @@ static ssize_t pblk_sysfs_lines_info(struct pblk *pblk, char *page) "blk_line:%d, sec_line:%d, sec_blk:%d\n", lm->blk_per_line, lm->sec_per_line, - geo->sec_per_chk); + geo->clba); return sz; } |