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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uPj0y-0000000Bwwy-1HXc; Thu, 12 Jun 2025 14:34:48 +0000 From: "Matthew Wilcox (Oracle)" To: Andrew Morton Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, Ira Weiny , Christoph Hellwig , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 1/5] bio: Use memzero_page() in bio_truncate() Date: Thu, 12 Jun 2025 15:34:37 +0100 Message-ID: <20250612143443.2848197-2-willy@infradead.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250612143443.2848197-1-willy@infradead.org> References: <20250612143443.2848197-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: C5D0EC000C X-Stat-Signature: zix5hqbx1rwj6o8e7hhi3rfcwc4n9w1c X-Rspam-User: X-HE-Tag: 1749738902-294089 X-HE-Meta: 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 7ncv4CoC 2enk+pcs9zkMMb0kRtRVJh8YAeilBmdcTCWIVYj115e0v9clE12Tkc6vGacnEXbUQSp2QhPpyql8ghkrLcuDY3ZfIfss2ZpsoOV3mJDWjSLCCO5pUw36RsRw4oBcx3HRSBSmOKWZxYa0HRNX9JbtKft89BOMylxvJr1Om2PynFKPPV/zqWPwKSeLXxD5d3Vqdi9lT+IGmEVaSwY2c5qbXZMqVTWIZjOmgaZBcfmq3arrsjC+5YcLRDsVGvYkHTpBbGnTxkIDL262P8LCYCD+ajWyjhOcvnmiAbXXB X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: memzero_page() is the new name for zero_user(). Signed-off-by: Matthew Wilcox (Oracle) --- block/bio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/bio.c b/block/bio.c index 3c0a558c90f5..ce16c34ec6de 100644 --- a/block/bio.c +++ b/block/bio.c @@ -653,13 +653,13 @@ static void bio_truncate(struct bio *bio, unsigned new_size) bio_for_each_segment(bv, bio, iter) { if (done + bv.bv_len > new_size) { - unsigned offset; + size_t offset; if (!truncated) offset = new_size - done; else offset = 0; - zero_user(bv.bv_page, bv.bv_offset + offset, + memzero_page(bv.bv_page, bv.bv_offset + offset, bv.bv_len - offset); truncated = true; } -- 2.47.2