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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, 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 v2 25/37] ata: libata-sff: drop nth_page() usage within SG entry Date: Mon, 1 Sep 2025 17:03:46 +0200 Message-ID: <20250901150359.867252-26-david@redhat.com> In-Reply-To: <20250901150359.867252-1-david@redhat.com> References: <20250901150359.867252-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 9706D4000E X-Stat-Signature: p9xrdwoj96ff1cuke1op8bfwb7mwfmgj X-HE-Tag: 1756739470-691956 X-HE-Meta: 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 tsIiadOZ lL3j19hiLRPcLgeVEOkwjbSZ6zGwXsrD2OuMRQ+4BRmgy+0EV3GK/+p/nQL3ju5Uf32gheZlbnJfTF7dbWCVHxAUKdiI1wEcITi+5zwczPDPZezaLqZUkeXNKA1FD6wJSBamt67ANokvtwAtBjVu1Lf3DdF+eoZqhnixpR7md9KqpU03cINvm3FN7uPjr+fxfPXi5IRHzhzEB7BcKhv4UyFhtfr489ZKTEjMXaiSdlQSelLmUX37R4P9NQo1oHA1PGQXxqMSoId+JQlbTxcj+oj2LjRrGMDJR1DLRNZXdjCHvvlIzgzgDUsZyXg03DBPJMLIVChqmIk+3hNtyhO46kSxL9QGOz6dYlh/C5fltm2fNpuTBmD88YvWxOpJKlHVYW+xNz9/fUTumvMWg99ywYsOcd27W5xfUiv831otM3ES8fJA= 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. Acked-by: Damien Le Moal Reviewed-by: Lorenzo Stoakes 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