diff options
Diffstat (limited to 'drivers/lightnvm/rrpc.h')
| -rw-r--r-- | drivers/lightnvm/rrpc.h | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h index c55cec9..bc8adba 100644 --- a/drivers/lightnvm/rrpc.h +++ b/drivers/lightnvm/rrpc.h @@ -74,7 +74,9 @@ struct rrpc_block { struct rrpc_lun { struct rrpc *rrpc; - struct nvm_lun *parent; + + int id; + struct ppa_addr bppa; struct rrpc_block *cur, *gc_cur; struct rrpc_block *blocks; /* Reference to block allocation */ @@ -107,7 +109,6 @@ struct rrpc { struct gendisk *disk; sector_t soffset; /* logical sector offset */ - u64 poffset; /* physical page offset */ int nr_luns; struct rrpc_lun *luns; @@ -164,14 +165,37 @@ struct rrpc_rev_addr { u64 addr; }; +static inline struct ppa_addr rrpc_linear_to_generic_addr(struct nvm_geo *geo, + struct ppa_addr r) +{ + struct ppa_addr l; + int secs, pgs; + sector_t ppa = r.ppa; + + l.ppa = 0; + + div_u64_rem(ppa, geo->sec_per_pg, &secs); + l.g.sec = secs; + + sector_div(ppa, geo->sec_per_pg); + div_u64_rem(ppa, geo->pgs_per_blk, &pgs); + l.g.pg = pgs; + + return l; +} + +static inline struct ppa_addr rrpc_recov_addr(struct nvm_dev *dev, u64 pba) +{ + return linear_to_generic_addr(&dev->geo, pba); +} + static inline u64 rrpc_blk_to_ppa(struct rrpc *rrpc, struct rrpc_block *rblk) { struct nvm_tgt_dev *dev = rrpc->dev; struct nvm_geo *geo = &dev->geo; struct rrpc_lun *rlun = rblk->rlun; - struct nvm_lun *lun = rlun->parent; - return (lun->id * geo->sec_per_lun) + (rblk->id * geo->sec_per_blk); + return (rlun->id * geo->sec_per_lun) + (rblk->id * geo->sec_per_blk); } static inline sector_t rrpc_get_laddr(struct bio *bio) |
