diff options
| author | NeilBrown <neilb@suse.com> | 2017-04-15 21:55:41 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-16 19:06:25 +0300 |
| commit | b0e0306ce14180baee00cea9be5600eef6750af8 (patch) | |
| tree | 5f406c62e83b94f0b50f0c5ad6d117e0bec83f72 /drivers | |
| parent | 48d663a314489f136a46abf8e3f0d014d7769209 (diff) | |
| download | linux-b0e0306ce14180baee00cea9be5600eef6750af8.tar.xz | |
lightnvm: don't check for failure from mempool_alloc()
mempool_alloc() cannot fail if the gfp flags allow it to
sleep, and both GFP_KERNEL and GFP_NOIO allows for sleeping.
So rrpc_move_valid_pages() and rrpc_make_rq() don't need to
test the return value.
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/lightnvm/rrpc.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index 4e4c2997337c..a8acf9e06401 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -318,10 +318,6 @@ static int rrpc_move_valid_pages(struct rrpc *rrpc, struct rrpc_block *rblk) } page = mempool_alloc(rrpc->page_pool, GFP_NOIO); - if (!page) { - bio_put(bio); - return -ENOMEM; - } while ((slot = find_first_zero_bit(rblk->invalid_pages, nr_sec_per_blk)) < nr_sec_per_blk) { @@ -1006,11 +1002,6 @@ static blk_qc_t rrpc_make_rq(struct request_queue *q, struct bio *bio) } rqd = mempool_alloc(rrpc->rq_pool, GFP_KERNEL); - if (!rqd) { - pr_err_ratelimited("rrpc: not able to queue bio."); - bio_io_error(bio); - return BLK_QC_T_NONE; - } memset(rqd, 0, sizeof(struct nvm_rq)); err = rrpc_submit_io(rrpc, bio, rqd, NVM_IOTYPE_NONE); |