github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 22:52:19 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

iomap: Add __iomap_get_folio helper

Browse Source 
Add an __iomap_get_folio() helper as the counterpart of the existing
__iomap_put_folio() helper.  Use the new helper in iomap_write_begin().
Not a functional change.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Andreas Gruenbacher 2023-01-15 08:50:02 -08:00 committed by Darrick J. Wong
parent 9060bc4d3a
commit 07c22b5668
1 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
fs/iomap/buffered-io.c
View File

@ -602,6 +602,17 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos,
return 0;
}
static struct folio *__iomap_get_folio(struct iomap_iter *iter, loff_t pos,
size_t len)
{
const struct iomap_page_ops *page_ops = iter->iomap.page_ops;
if (page_ops && page_ops->page_prepare)
return page_ops->page_prepare(iter, pos, len);
else
return iomap_get_folio(iter, pos);
}
static void __iomap_put_folio(struct iomap_iter *iter, loff_t pos, size_t ret,
struct folio *folio)
{
@ -642,10 +653,7 @@ static int iomap_write_begin(struct iomap_iter *iter, loff_t pos,
if (!mapping_large_folio_support(iter->inode->i_mapping))
len = min_t(size_t, len, PAGE_SIZE - offset_in_page(pos));
if (page_ops && page_ops->page_prepare)
folio = page_ops->page_prepare(iter, pos, len);
else
folio = iomap_get_folio(iter, pos);
folio = __iomap_get_folio(iter, pos, len);
if (IS_ERR(folio))
return PTR_ERR(folio);