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authorJavier González <javier@cnexlabs.com>2017-10-13 14:46:08 +0200
committerJens Axboe <axboe@kernel.dk>2017-10-13 08:34:57 -0600
commit0d880398cb6254ab3e110e2a8a659da65a56ffee (patch)
tree226aacdbbef55ec17523569a30bc4e3f426e4e5b /drivers/lightnvm/pblk-core.c
parentb84ae4a8b883b96b95fff0e3979ff2c65bbf96b0 (diff)
lightnvm: pblk: decouple read/erase mempools
Since read and erase paths offer different guarantees for inflight I/Os, separate the mempools to set the right min_nr for each on creation. Reported-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-core.c')
-rw-r--r--drivers/lightnvm/pblk-core.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index b92532211866..0c22e5ccdfdd 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -64,7 +64,7 @@ static void pblk_end_io_erase(struct nvm_rq *rqd)
struct pblk *pblk = rqd->private;
__pblk_end_io_erase(pblk, rqd);
- mempool_free(rqd, pblk->g_rq_pool);
+ mempool_free(rqd, pblk->e_rq_pool);
}
void __pblk_map_invalidate(struct pblk *pblk, struct pblk_line *line,
@@ -161,7 +161,7 @@ struct nvm_rq *pblk_alloc_rqd(struct pblk *pblk, int rw)
pool = pblk->w_rq_pool;
rq_size = pblk_w_rq_size;
} else {
- pool = pblk->g_rq_pool;
+ pool = pblk->r_rq_pool;
rq_size = pblk_g_rq_size;
}
@@ -178,7 +178,7 @@ void pblk_free_rqd(struct pblk *pblk, struct nvm_rq *rqd, int rw)
if (rw == WRITE)
pool = pblk->w_rq_pool;
else
- pool = pblk->g_rq_pool;
+ pool = pblk->r_rq_pool;
mempool_free(rqd, pool);
}
@@ -1479,7 +1479,7 @@ int pblk_blk_erase_async(struct pblk *pblk, struct ppa_addr ppa)
struct nvm_rq *rqd;
int err;
- rqd = mempool_alloc(pblk->g_rq_pool, GFP_KERNEL);
+ rqd = mempool_alloc(pblk->e_rq_pool, GFP_KERNEL);
memset(rqd, 0, pblk_g_rq_size);
pblk_setup_e_rq(pblk, rqd, ppa);