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Howlett" , Linus Torvalds , linux-arm-kernel@axis.com, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-ide@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mips@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, Lorenzo Stoakes , Marco Elver , Marek Szyprowski , Michal Hocko , Mike Rapoport , Muchun Song , netdev@vger.kernel.org, Oscar Salvador , Peter Xu , Robin Murphy , Suren Baghdasaryan , Tejun Heo , virtualization@lists.linux.dev, Vlastimil Babka , wireguard@lists.zx2c4.com, x86@kernel.org, Zi Yan Subject: [PATCH v1 24/36] ata: libata-eh: drop nth_page() usage within SG entry Date: Thu, 28 Aug 2025 00:01:28 +0200 Message-ID: <20250827220141.262669-25-david@redhat.com> In-Reply-To: <20250827220141.262669-1-david@redhat.com> References: <20250827220141.262669-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 721E31C0005 X-Stat-Signature: yabj319dx1yhhp878d491c7jo3s5xp9w X-Rspam-User: X-HE-Tag: 1756332548-577354 X-HE-Meta: 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 bzKiypK7 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 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: It's no longer required to use nth_page() when iterating pages within a single SG entry, so let's drop the nth_page() usage. Cc: Damien Le Moal Cc: Niklas Cassel Signed-off-by: David Hildenbrand --- drivers/ata/libata-sff.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 7fc407255eb46..1e2a2c33cdc80 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -614,7 +614,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) offset = qc->cursg->offset + qc->cursg_ofs; /* get the current page and offset */ - page = nth_page(page, (offset >> PAGE_SHIFT)); + page += offset >> PAGE_SHIFT; offset %= PAGE_SIZE; /* don't overrun current sg */ @@ -631,7 +631,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) unsigned int split_len = PAGE_SIZE - offset; ata_pio_xfer(qc, page, offset, split_len); - ata_pio_xfer(qc, nth_page(page, 1), 0, count - split_len); + ata_pio_xfer(qc, page + 1, 0, count - split_len); } else { ata_pio_xfer(qc, page, offset, count); } @@ -751,7 +751,7 @@ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes) offset = sg->offset + qc->cursg_ofs; /* get the current page and offset */ - page = nth_page(page, (offset >> PAGE_SHIFT)); + page += offset >> PAGE_SHIFT; offset %= PAGE_SIZE; /* don't overrun current sg */ -- 2.50.1