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lightnvm: pblk: encapsulate rqd dma allocations

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dma allocations for ppa_list and meta_list in rqd are replicated in
several places across the pblk codebase. Make helpers to encapsulate
creation and deletion to simplify the code.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Javier González
2018-10-09 13:12:02 +02:00
committed by Jens Axboe
parent 090ee26fd5
commit 45dcf29b98
5 changed files with 59 additions and 70 deletions
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2
drivers/lightnvm/pblk.h
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@@ -778,6 +778,8 @@ ssize_t pblk_rb_sysfs(struct pblk_rb *rb, char *buf);
*/
struct nvm_rq *pblk_alloc_rqd(struct pblk *pblk, int type);
void pblk_free_rqd(struct pblk *pblk, struct nvm_rq *rqd, int type);
int pblk_alloc_rqd_meta(struct pblk *pblk, struct nvm_rq *rqd);
void pblk_free_rqd_meta(struct pblk *pblk, struct nvm_rq *rqd);
void pblk_set_sec_per_write(struct pblk *pblk, int sec_per_write);
int pblk_setup_w_rec_rq(struct pblk *pblk, struct nvm_rq *rqd,
struct pblk_c_ctx *c_ctx);