[PATCH v1 30/36] scsi: sg: drop nth_page() usage within SG entry
From: David Hildenbrand <hidden>
Date: 2025-08-27 22:10:51
Also in:
dri-devel, intel-gfx, io-uring, kvm, linux-crypto, linux-ide, linux-iommu, linux-kselftest, linux-mips, linux-mm, linux-mmc, linux-riscv, linux-s390, linux-scsi, lkml, virtualization
Subsystem:
scsi sg driver, scsi subsystem, the rest · Maintainers:
Doug Gilbert, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
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 <bvanassche@acm.org> Cc: Doug Gilbert <dgilbert@interlog.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: David Hildenbrand <redacted> --- drivers/scsi/sg.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 3c02a5f7b5f39..4c62c597c7be9 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c@@ -1235,8 +1235,7 @@ sg_vma_fault(struct vm_fault *vmf) len = vma->vm_end - sa; len = (len < length) ? len : length; if (offset < len) { - struct page *page = nth_page(rsv_schp->pages[k], - offset >> PAGE_SHIFT); + struct page *page = rsv_schp->pages[k] + (offset >> PAGE_SHIFT); get_page(page); /* increment page count */ vmf->page = page; return 0; /* success */
--
2.50.1