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ata: libata-sff: drop nth_page() usage within SG entry

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.

Link: https://lkml.kernel.org/r/20250901150359.867252-26-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
David Hildenbrand
2025-09-01 17:03:46 +02:00
committed by Andrew Morton
parent 80e7bb74d4
commit 70aa902651

View File

@@ -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 @@ next_sg:
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 */