diff options
| author | David Hildenbrand <david@redhat.com> | 2025-09-01 17:03:57 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-21 14:22:09 -0700 |
| commit | d5170ce4d71b3843613ee1840bca50ad71c3671e (patch) | |
| tree | 94f79256603c941a17a42d8a5743a2e6811caca9 | |
| parent | 56531761d4b04ea46de04f7ddab0cdc9cd1a35e1 (diff) | |
block: update comment of "struct bio_vec" regarding nth_page()
Ever since commit 858c708d9efb ("block: move the bi_size update out of
__bio_try_merge_page"), page_is_mergeable() no longer exists, and the
logic in bvec_try_merge_page() is now a simple page pointer comparison.
Link: https://lkml.kernel.org/r/20250901150359.867252-37-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/bvec.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/include/linux/bvec.h b/include/linux/bvec.h index 0a80e1f9aa20..3fc0efa0825b 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -22,11 +22,8 @@ struct page; * @bv_len: Number of bytes in the address range. * @bv_offset: Start of the address range relative to the start of @bv_page. * - * The following holds for a bvec if n * PAGE_SIZE < bv_offset + bv_len: - * - * nth_page(@bv_page, n) == @bv_page + n - * - * This holds because page_is_mergeable() checks the above property. + * All pages within a bio_vec starting from @bv_page are contiguous and + * can simply be iterated (see bvec_advance()). */ struct bio_vec { struct page *bv_page; |