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lightnvm: implement nvm_submit_ppa_list

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The nvm_submit_ppa function assumes that users manage all plane
blocks as a single block. Extend the API with nvm_submit_ppa_list
to allow the user to send its own ppa list. If the user submits more
than a single PPA, the user must take care to allocate and free
the corresponding ppa list.

Reviewed by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Matias Bjørling 2016-05-06 20:02:56 +02:00 • committed by Jens Axboe
parent ecfb40c6aa
commit 1145e6351a
2 changed files with 71 additions and 19 deletions
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2
include/linux/lightnvm.h
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@ -534,6 +534,8 @@ extern int nvm_erase_blk(struct nvm_dev *, struct nvm_block *);
extern void nvm_end_io(struct nvm_rq *, int);
extern int nvm_submit_ppa(struct nvm_dev *, struct ppa_addr *, int, int, int,
void *, int);
extern int nvm_submit_ppa_list(struct nvm_dev *, struct ppa_addr *, int, int,
int, void *, int);
/* sysblk.c */
#define NVM_SYSBLK_MAGIC 0x4E564D53 /* "NVMS" */