linux-kernel - [PATCH v3 02/11] md/raid5-ppl: Drop unused argument from ppl_handle_flush

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Message-Id: <20220602181818.50729-3-logang@deltatee.com>
Date:   Thu,  2 Jun 2022 12:18:08 -0600
From:   Logan Gunthorpe <logang@...tatee.com>
To:     linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
        Song Liu <song@...nel.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Donald Buczek <buczek@...gen.mpg.de>,
        Guoqing Jiang <guoqing.jiang@...ux.dev>,
        Xiao Ni <xni@...hat.com>, Stephen Bates <sbates@...thlin.com>,
        Martin Oliveira <Martin.Oliveira@...eticom.com>,
        David Sloan <David.Sloan@...eticom.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Christoph Hellwig <hch@....de>
Subject: [PATCH v3 02/11] md/raid5-ppl: Drop unused argument from ppl_handle_flush_request()

ppl_handle_flush_request() takes an struct r5log argument but doesn't
use it. It has no buisiness taking this argument as it is only used
by raid5-cache and has no way to derference it anyway. Remove
the argument.

No functional changes intended.

Signed-off-by: Logan Gunthorpe <logang@...tatee.com>
Reviewed-by: Christoph Hellwig <hch@....de>
---
 drivers/md/raid5-log.h | 4 ++--
 drivers/md/raid5-ppl.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/md/raid5-log.h b/drivers/md/raid5-log.h
index 270ced4f770f..c8332502669e 100644
--- a/drivers/md/raid5-log.h
+++ b/drivers/md/raid5-log.h
@@ -41,7 +41,7 @@ void ppl_write_stripe_run(struct r5conf *conf);
 void ppl_stripe_write_finished(struct stripe_head *sh);
 int ppl_modify_log(struct r5conf *conf, struct md_rdev *rdev, bool add);
 void ppl_quiesce(struct r5conf *conf, int quiesce);
-int ppl_handle_flush_request(struct r5l_log *log, struct bio *bio);
+int ppl_handle_flush_request(struct bio *bio);
 extern struct md_sysfs_entry ppl_write_hint;
 
 static inline bool raid5_has_log(struct r5conf *conf)
@@ -108,7 +108,7 @@ static inline int log_handle_flush_request(struct r5conf *conf, struct bio *bio)
 	if (conf->log)
 		ret = r5l_handle_flush_request(conf->log, bio);
 	else if (raid5_has_ppl(conf))
-		ret = ppl_handle_flush_request(conf->log, bio);
+		ret = ppl_handle_flush_request(bio);
 
 	return ret;
 }
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index 973e2e06f19c..4f5bdb4cad2b 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -679,7 +679,7 @@ void ppl_quiesce(struct r5conf *conf, int quiesce)
 	}
 }
 
-int ppl_handle_flush_request(struct r5l_log *log, struct bio *bio)
+int ppl_handle_flush_request(struct bio *bio)
 {
 	if (bio->bi_iter.bi_size == 0) {
 		bio_endio(bio);
-- 
2.30.2