[PATCH v2 30/37] scsi: scsi_lib: drop nth_page() usage within SG entry
David Hildenbrand <[email protected]>
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| Message-ID | <[email protected]> |
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. Reviewed-by: Bart Van Assche <[email protected]> Reviewed-by: Lorenzo Stoakes <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Cc: "James E.J. Bottomley" <[email protected]> Signed-off-by: David Hildenbrand <[email protected]> --- drivers/scsi/scsi_lib.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 0c65ecfedfbd6..d7e42293b8645 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -3148,8 +3148,7 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int sg_count, /* Offset starting from the beginning of first page in this sg-entry */ *offset = *offset - len_complete + sg->offset; - /* Assumption: contiguous pages can be accessed as "page + i" */ - page = nth_page(sg_page(sg), (*offset >> PAGE_SHIFT)); + page = sg_page(sg) + (*offset >> PAGE_SHIFT); *offset &= ~PAGE_MASK; /* Bytes in this sg-entry from *offset to the end of the page */ -- 2.50.1