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lightnvm: pblk: remove checks on mempool alloc.

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As part of the mempool audit on pblk, remove unnecessary mempool
allocation checks on mempools.

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>
This commit is contained in:
Javier González
2017-10-13 14:46:10 +02:00
committed by Jens Axboe
parent e72ec1d31b
commit 2942f50fa3
4 changed files with 12 additions and 59 deletions
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24
drivers/lightnvm/pblk-write.c
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@@ -111,10 +111,7 @@ static void pblk_end_w_fail(struct pblk *pblk, struct nvm_rq *rqd)
ppa_list = &rqd->ppa_addr;
recovery = mempool_alloc(pblk->rec_pool, GFP_ATOMIC);
if (!recovery) {
pr_err("pblk: could not allocate recovery context\n");
return;
}
INIT_LIST_HEAD(&recovery->failed);
bit = -1;
@@ -375,10 +372,7 @@ int pblk_submit_meta_io(struct pblk *pblk, struct pblk_line *meta_line)
int ret;
rqd = pblk_alloc_rqd(pblk, READ);
if (IS_ERR(rqd)) {
pr_err("pblk: cannot allocate write req.\n");
return PTR_ERR(rqd);
}
m_ctx = nvm_rq_to_pdu(rqd);
m_ctx->private = meta_line;
@@ -546,19 +540,12 @@ static int pblk_submit_write(struct pblk *pblk)
if (!secs_to_flush && secs_avail < pblk->min_write_pgs)
return 1;
rqd = pblk_alloc_rqd(pblk, WRITE);
if (IS_ERR(rqd)) {
pr_err("pblk: cannot allocate write req.\n");
return 1;
}
bio = bio_alloc(GFP_KERNEL, pblk->max_write_pgs);
if (!bio) {
pr_err("pblk: cannot allocate write bio\n");
goto fail_free_rqd;
}
bio->bi_iter.bi_sector = 0; /* internal bio */
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
rqd = pblk_alloc_rqd(pblk, WRITE);
rqd->bio = bio;
secs_to_sync = pblk_calc_secs_to_sync(pblk, secs_avail, secs_to_flush);
@@ -589,7 +576,6 @@ fail_free_bio:
pblk_free_write_rqd(pblk, rqd);
fail_put_bio:
bio_put(bio);
fail_free_rqd:
pblk_free_rqd(pblk, rqd, WRITE);
return 1;