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ocfs2: convert ocfs2_page_mkwrite() to use a folio

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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@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Mark Tinguely <mark.tinguely@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2024-12-05 17:16:30 +00:00
committed by Andrew Morton
parent 2b4c2094da
commit 3d9e356f02
1 changed files with 9 additions and 9 deletions
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18
fs/ocfs2/mmap.c
View File

@@ -44,13 +44,13 @@ static vm_fault_t ocfs2_fault(struct vm_fault *vmf)
}
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(struct file *file,
*
* 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(struct file *file,
* 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 @@ static vm_fault_t __ocfs2_page_mkwrite(struct file *file,
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(struct vm_fault *vmf)
*/
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);