The patch titled
Subject: squashfs: pass a folio to squashfs_readpage_fragment()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
squashfs-pass-a-folio-to-squashfs_readpage_fragment.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/squashfs-pass-a-folio-to-squashfs_readpage_fragment.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: squashfs: pass a folio to squashfs_readpage_fragment()
Date: Fri, 20 Dec 2024 22:46:25 +0000
Remove an access to page->mapping.
Link: https://lkml.kernel.org/r/20241220224634.723899-2-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Phillip Lougher <phillip@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/squashfs/file.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/fs/squashfs/file.c~squashfs-pass-a-folio-to-squashfs_readpage_fragment
+++ a/fs/squashfs/file.c
@@ -417,9 +417,9 @@ skip_page:
}
/* Read datablock stored packed inside a fragment (tail-end packed block) */
-static int squashfs_readpage_fragment(struct page *page, int expected)
+static int squashfs_readpage_fragment(struct folio *folio, int expected)
{
- struct inode *inode = page->mapping->host;
+ struct inode *inode = folio->mapping->host;
struct squashfs_cache_entry *buffer = squashfs_get_fragment(inode->i_sb,
squashfs_i(inode)->fragment_block,
squashfs_i(inode)->fragment_size);
@@ -430,7 +430,7 @@ static int squashfs_readpage_fragment(st
squashfs_i(inode)->fragment_block,
squashfs_i(inode)->fragment_size);
else
- squashfs_copy_cache(page, buffer, expected,
+ squashfs_copy_cache(&folio->page, buffer, expected,
squashfs_i(inode)->fragment_offset);
squashfs_cache_put(buffer);
@@ -474,7 +474,7 @@ static int squashfs_read_folio(struct fi
else
res = squashfs_readpage_block(&folio->page, block, res, expected);
} else
- res = squashfs_readpage_fragment(&folio->page, expected);
+ res = squashfs_readpage_fragment(folio, expected);
if (!res)
return 0;
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-page_alloc-cache-page_zone-result-in-free_unref_page.patch
mm-make-alloc_pages_mpol-static.patch
mm-page_alloc-export-free_frozen_pages-instead-of-free_unref_page.patch
mm-page_alloc-move-set_page_refcounted-to-callers-of-post_alloc_hook.patch
mm-page_alloc-move-set_page_refcounted-to-callers-of-prep_new_page.patch
mm-page_alloc-move-set_page_refcounted-to-callers-of-get_page_from_freelist.patch
mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_cpuset_fallback.patch
mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_may_oom.patch
mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_direct_compact.patch
mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_direct_reclaim.patch
mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_slowpath.patch
mm-page_alloc-move-set_page_refcounted-to-end-of-__alloc_pages.patch
mm-page_alloc-add-__alloc_frozen_pages.patch
mm-mempolicy-add-alloc_frozen_pages.patch
slab-allocate-frozen-pages.patch
ocfs2-handle-a-symlink-read-error-correctly.patch
ocfs2-convert-ocfs2_page_mkwrite-to-use-a-folio.patch
ocfs2-pass-mmap_folio-around-instead-of-mmap_page.patch
ocfs2-convert-ocfs2_read_inline_data-to-take-a-folio.patch
ocfs2-use-a-folio-in-ocfs2_fast_symlink_read_folio.patch
ocfs2-remove-ocfs2_start_walk_page_trans-prototype.patch
iov_iter-remove-setting-of-page-index.patch
squashfs-use-a-folio-throughout-squashfs_read_folio.patch
squashfs-pass-a-folio-to-squashfs_readpage_fragment.patch
squashfs-convert-squashfs_readpage_block-to-take-a-folio.patch
squashfs-convert-squashfs_copy_cache-to-take-a-folio.patch
squashfs-convert-squashfs_fill_page-to-take-a-folio.patch
