The patch titled
Subject: ocfs2: convert ocfs2_page_mkwrite() to use a folio
has been added to the -mm mm-nonmm-unstable branch. Its filename is
ocfs2-convert-ocfs2_page_mkwrite-to-use-a-folio.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/ocfs2-convert-ocfs2_page_mkwrite-to-use-a-folio.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: ocfs2: convert ocfs2_page_mkwrite() to use a folio
Date: Thu, 5 Dec 2024 17:16:30 +0000
Pass the folio into __ocfs2_page_mkwrite() and use it throughout. Does
not attempt to support large folios.
Link: https://lkml.kernel.org/r/20241205171653.3179945-3-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
Cc: Changwei Ge <gechangwei@xxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Jun Piao <piaojun@xxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Mark Fasheh <mark@xxxxxxxxxx>
Cc: Mark Tinguely <mark.tinguely@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/mmap.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
--- a/fs/ocfs2/mmap.c~ocfs2-convert-ocfs2_page_mkwrite-to-use-a-folio
+++ a/fs/ocfs2/mmap.c
@@ -44,13 +44,13 @@ static vm_fault_t ocfs2_fault(struct vm_
}
static vm_fault_t __ocfs2_page_mkwrite(struct file *file,
- struct buffer_head *di_bh, struct page *page)
+ struct buffer_head *di_bh, struct folio *folio)
{
int err;
vm_fault_t ret = VM_FAULT_NOPAGE;
struct inode *inode = file_inode(file);
struct address_space *mapping = inode->i_mapping;
- loff_t pos = page_offset(page);
+ loff_t pos = folio_pos(folio);
unsigned int len = PAGE_SIZE;
pgoff_t last_index;
struct folio *locked_folio = NULL;
@@ -72,9 +72,9 @@ static vm_fault_t __ocfs2_page_mkwrite(s
*
* Let VM retry with these cases.
*/
- if ((page->mapping != inode->i_mapping) ||
- (!PageUptodate(page)) ||
- (page_offset(page) >= size))
+ if ((folio->mapping != inode->i_mapping) ||
+ !folio_test_uptodate(folio) ||
+ (pos >= size))
goto out;
/*
@@ -87,11 +87,11 @@ static vm_fault_t __ocfs2_page_mkwrite(s
* worry about ocfs2_write_begin() skipping some buffer reads
* because the "write" would invalidate their data.
*/
- if (page->index == last_index)
+ if (folio->index == last_index)
len = ((size - 1) & ~PAGE_MASK) + 1;
err = ocfs2_write_begin_nolock(mapping, pos, len, OCFS2_WRITE_MMAP,
- &locked_folio, &fsdata, di_bh, page);
+ &locked_folio, &fsdata, di_bh, &folio->page);
if (err) {
if (err != -ENOSPC)
mlog_errno(err);
@@ -112,7 +112,7 @@ out:
static vm_fault_t ocfs2_page_mkwrite(struct vm_fault *vmf)
{
- struct page *page = vmf->page;
+ struct folio *folio = page_folio(vmf->page);
struct inode *inode = file_inode(vmf->vma->vm_file);
struct buffer_head *di_bh = NULL;
sigset_t oldset;
@@ -141,7 +141,7 @@ static vm_fault_t ocfs2_page_mkwrite(str
*/
down_write(&OCFS2_I(inode)->ip_alloc_sem);
- ret = __ocfs2_page_mkwrite(vmf->vma->vm_file, di_bh, page);
+ ret = __ocfs2_page_mkwrite(vmf->vma->vm_file, di_bh, folio);
up_write(&OCFS2_I(inode)->ip_alloc_sem);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
vmalloc-fix-accounting-with-i915.patch
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
