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:
committed by
Andrew Morton
parent
80e7bb74d4
commit
70aa902651
@@ -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 */
|
||||
|
||||
Reference in New Issue
Block a user