linux-kernel - [GIT PULL 07/18] lightnvm: pblk: remove unnecessary indirection

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Message-Id: <20180601130432.30866-8-mb@lightnvm.io>
Date:   Fri,  1 Jun 2018 15:04:21 +0200
From:   Matias Bjørling <mb@...htnvm.io>
To:     axboe@...com
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        javier@...xlabs.com, igor.j.konopko@...el.com,
        marcin.dziegielewski@...el.com,
        Javier González <javier@...igon.com>,
        Matias Bjørling <mb@...htnvm.io>
Subject: [GIT PULL 07/18] lightnvm: pblk: remove unnecessary indirection

From: Javier González <javier@...igon.com>

Call nvm_submit_io directly and remove an unnecessary indirection on the
read path.

Signed-off-by: Javier González <javier@...xlabs.com>
Signed-off-by: Matias Bjørling <mb@...htnvm.io>
---
 drivers/lightnvm/pblk-read.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
index b201fc486adb..a2e678de428f 100644
--- a/drivers/lightnvm/pblk-read.c
+++ b/drivers/lightnvm/pblk-read.c
@@ -102,16 +102,6 @@ static void pblk_read_ppalist_rq(struct pblk *pblk, struct nvm_rq *rqd,
 #endif
 }
 
-static int pblk_submit_read_io(struct pblk *pblk, struct nvm_rq *rqd)
-{
-	int err;
-
-	err = pblk_submit_io(pblk, rqd);
-	if (err)
-		return NVM_IO_ERR;
-
-	return NVM_IO_OK;
-}
 
 static void pblk_read_check_seq(struct pblk *pblk, struct nvm_rq *rqd,
 				sector_t blba)
@@ -485,9 +475,9 @@ int pblk_submit_read(struct pblk *pblk, struct bio *bio)
 		rqd->bio = int_bio;
 		r_ctx->private = bio;
 
-		ret = pblk_submit_read_io(pblk, rqd);
-		if (ret) {
+		if (pblk_submit_io(pblk, rqd)) {
 			pr_err("pblk: read IO submission failed\n");
+			ret = NVM_IO_ERR;
 			if (int_bio)
 				bio_put(int_bio);
 			goto fail_end_io;
-- 
2.11.0