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Tue, 26 May 2026 21:49:34 -0700 (PDT) From: Cunlong Li Date: Wed, 27 May 2026 12:49:25 +0800 Subject: [PATCH v2 2/2] zram: drop unused bio parameter from write helpers MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260527-zram-v2-2-2fb84b054b5c@gmail.com> References: <20260527-zram-v2-0-2fb84b054b5c@gmail.com> In-Reply-To: <20260527-zram-v2-0-2fb84b054b5c@gmail.com> To: Minchan Kim , Sergey Senozhatsky , Jens Axboe , Andrew Morton Cc: Christoph Hellwig , linux-block@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Cunlong Li X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1779857366; l=1967; i=shenxiaogll@gmail.com; s=20260517; h=from:subject:message-id; bh=wWeEghQAe5NXkXvNqKfo8YuljpN08ui3FSM1U5zjH2s=; b=p1wzwgJ3gwvvVn04ePPF6uh4LDB/aFn6+9vSP6I90FUu4ui1uDqy8TlmNZy2nWAdU2iw4W1Ky Jfp1gcsQY9vA3sSfO0yTYLUEuIiWUpg0W6toLaFhTRFvUW+rMPu1R3x X-Developer-Key: i=shenxiaogll@gmail.com; a=ed25519; pk=SKFifnqPdsvsjuhUiq+Y9vtCdhyZ/LrRcfYn8eRq6AE= X-Rspamd-Server: rspam12 X-Stat-Signature: 356e7q6kxabi79t4uwewiog74j6usp91 X-Rspam-User: X-Rspamd-Queue-Id: 4D20E140009 X-HE-Tag: 1779857376-774206 X-HE-Meta: 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 xc9yoBn9 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: After the previous fix, zram_bvec_write_partial() always passes NULL to zram_read_page() and no longer needs the parent bio. Mirror the read side (zram_bvec_read_partial() has not taken a bio since commit 4e3c87b9421d ("zram: fix synchronous reads")) and drop the parameter from zram_bvec_write_partial() and zram_bvec_write(). No functional change. Signed-off-by: Cunlong Li --- drivers/block/zram/zram_drv.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index b23a8bbb687c..66347915a2cc 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -2325,7 +2325,7 @@ static int zram_write_page(struct zram *zram, struct page *page, u32 index) * This is a partial IO. Read the full page before writing the changes. */ static int zram_bvec_write_partial(struct zram *zram, struct bio_vec *bvec, - u32 index, int offset, struct bio *bio) + u32 index, int offset) { struct page *page = alloc_page(GFP_NOIO); int ret; @@ -2343,10 +2343,10 @@ static int zram_bvec_write_partial(struct zram *zram, struct bio_vec *bvec, } static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, - u32 index, int offset, struct bio *bio) + u32 index, int offset) { if (is_partial_io(bvec)) - return zram_bvec_write_partial(zram, bvec, index, offset, bio); + return zram_bvec_write_partial(zram, bvec, index, offset); return zram_write_page(zram, bvec->bv_page, index); } @@ -2743,7 +2743,7 @@ static void zram_bio_write(struct zram *zram, struct bio *bio) bv.bv_len = min_t(u32, bv.bv_len, PAGE_SIZE - offset); - if (zram_bvec_write(zram, &bv, index, offset, bio) < 0) { + if (zram_bvec_write(zram, &bv, index, offset) < 0) { atomic64_inc(&zram->stats.failed_writes); bio->bi_status = BLK_STS_IOERR; break; -- 2.30.2