The patch titled
Subject: filemap: convert filemap_range_has_writeback() to use folios
has been added to the -mm mm-unstable branch. Its filename is
filemap-convert-filemap_range_has_writeback-to-use-folios.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/filemap-convert-filemap_range_has_writeback-to-use-folios.patch
This patch will later appear in the mm-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: "Vishal Moola (Oracle)" <vishal.moola@xxxxxxxxx>
Subject: filemap: convert filemap_range_has_writeback() to use folios
Date: Mon, 5 Sep 2022 14:45:57 -0700
Removes 3 calls to compound_head().
Link: https://lkml.kernel.org/r/20220905214557.868606-1-vishal.moola@xxxxxxxxx
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/filemap.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
--- a/mm/filemap.c~filemap-convert-filemap_range_has_writeback-to-use-folios
+++ a/mm/filemap.c
@@ -632,22 +632,23 @@ bool filemap_range_has_writeback(struct
{
XA_STATE(xas, &mapping->i_pages, start_byte >> PAGE_SHIFT);
pgoff_t max = end_byte >> PAGE_SHIFT;
- struct page *page;
+ struct folio *folio;
if (end_byte < start_byte)
return false;
rcu_read_lock();
- xas_for_each(&xas, page, max) {
- if (xas_retry(&xas, page))
+ xas_for_each(&xas, folio, max) {
+ if (xas_retry(&xas, folio))
continue;
- if (xa_is_value(page))
+ if (xa_is_value(folio))
continue;
- if (PageDirty(page) || PageLocked(page) || PageWriteback(page))
+ if (folio_test_dirty(folio) || folio_test_locked(folio) ||
+ folio_test_writeback(folio))
break;
}
rcu_read_unlock();
- return page != NULL;
+ return folio != NULL;
}
EXPORT_SYMBOL_GPL(filemap_range_has_writeback);
_
Patches currently in -mm which might be from vishal.moola@xxxxxxxxx are
filemap-add-filemap_get_folios_contig.patch
btrfs-convert-__process_pages_contig-to-use-filemap_get_folios_contig.patch
btrfs-convert-end_compressed_writeback-to-use-filemap_get_folios.patch
btrfs-convert-process_page_range-to-use-filemap_get_folios_contig.patch
nilfs2-convert-nilfs_find_uncommited_extent-to-use-filemap_get_folios_contig.patch
ramfs-convert-ramfs_nommu_get_unmapped_area-to-use-filemap_get_folios_contig.patch
filemap-remove-find_get_pages_contig.patch
filemap-convert-filemap_range_has_writeback-to-use-folios.patch
