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lightnvm: pblk: stop writes gracefully when running out of lines

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If mapping fails (i.e. when running out of lines), handle the error
and stop writing.

Signed-off-by: Hans Holmberg <hans.holmberg@cnexlabs.com>
Reviewed-by: Javier González <javier@javigon.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Hans Holmberg
2018-12-11 20:16:12 +01:00
committed by Jens Axboe
parent ab3887be1e
commit 525f7bb2c9
3 changed files with 51 additions and 30 deletions
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4
drivers/lightnvm/pblk.h
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@@ -871,10 +871,10 @@ int pblk_write_gc_to_cache(struct pblk *pblk, struct pblk_gc_rq *gc_rq);
/*
* pblk map
*/
void pblk_map_erase_rq(struct pblk *pblk, struct nvm_rq *rqd,
int pblk_map_erase_rq(struct pblk *pblk, struct nvm_rq *rqd,
unsigned int sentry, unsigned long *lun_bitmap,
unsigned int valid_secs, struct ppa_addr *erase_ppa);
void pblk_map_rq(struct pblk *pblk, struct nvm_rq *rqd, unsigned int sentry,
int pblk_map_rq(struct pblk *pblk, struct nvm_rq *rqd, unsigned int sentry,
unsigned long *lun_bitmap, unsigned int valid_secs,
unsigned int off);