From: Javier González Date: Fri, 13 Oct 2017 12:46:24 +0000 (+0200) Subject: lightnvm: pblk: remove redundant check on read path X-Git-Tag: v4.19~2212^2~161 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f9248cf1e22333b2a0458540aafb1ad3b2b3337;p=platform%2Fkernel%2Flinux-rpi.git lightnvm: pblk: remove redundant check on read path A partial read I/O in pblk is an I/O where some sectors reside in the write buffer in main memory and some are persisted on the device. Such an I/O must at least contain 2 lbas, therefore checking for the case where a single lba is mapped is not necessary. Signed-off-by: Javier González Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c index 402f8ef..71c5850 100644 --- a/drivers/lightnvm/pblk-read.c +++ b/drivers/lightnvm/pblk-read.c @@ -235,7 +235,7 @@ static int pblk_fill_partial_read_bio(struct pblk *pblk, struct nvm_rq *rqd, rqd->end_io = pblk_end_io_sync; rqd->private = &wait; - if (unlikely(nr_secs > 1 && nr_holes == 1)) { + if (unlikely(nr_holes == 1)) { ppa_ptr = rqd->ppa_list; dma_ppa_list = rqd->dma_ppa_list; rqd->ppa_addr = rqd->ppa_list[0]; @@ -260,7 +260,7 @@ static int pblk_fill_partial_read_bio(struct pblk *pblk, struct nvm_rq *rqd, #endif } - if (unlikely(nr_secs > 1 && nr_holes == 1)) { + if (unlikely(nr_holes == 1)) { struct ppa_addr ppa; ppa = rqd->ppa_addr;