* + nilfs2-convert-nilfs_segctor_prepare_write-to-use-folios.patch added to mm-nonmm-unstable branch
@ 2023-11-14 23:23 Andrew Morton
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From: Andrew Morton @ 2023-11-14 23:23 UTC (permalink / raw)
To: mm-commits, konishi.ryusuke, willy, akpm
The patch titled
Subject: nilfs2: convert nilfs_segctor_prepare_write to use folios
has been added to the -mm mm-nonmm-unstable branch. Its filename is
nilfs2-convert-nilfs_segctor_prepare_write-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/nilfs2-convert-nilfs_segctor_prepare_write-to-use-folios.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@infradead.org>
Subject: nilfs2: convert nilfs_segctor_prepare_write to use folios
Date: Tue, 14 Nov 2023 17:44:26 +0900
Use the new folio APIs, saving 17 hidden calls to compound_head().
Link: https://lkml.kernel.org/r/20231114084436.2755-11-konishi.ryusuke@gmail.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
fs/nilfs2/segment.c | 58 +++++++++++++++++++++---------------------
1 file changed, 29 insertions(+), 29 deletions(-)
--- a/fs/nilfs2/segment.c~nilfs2-convert-nilfs_segctor_prepare_write-to-use-folios
+++ a/fs/nilfs2/segment.c
@@ -1665,39 +1665,39 @@ static int nilfs_segctor_assign(struct n
return 0;
}
-static void nilfs_begin_page_io(struct page *page)
+static void nilfs_begin_folio_io(struct folio *folio)
{
- if (!page || PageWriteback(page))
+ if (!folio || folio_test_writeback(folio))
/*
* For split b-tree node pages, this function may be called
* twice. We ignore the 2nd or later calls by this check.
*/
return;
- lock_page(page);
- clear_page_dirty_for_io(page);
- set_page_writeback(page);
- unlock_page(page);
+ folio_lock(folio);
+ folio_clear_dirty_for_io(folio);
+ folio_start_writeback(folio);
+ folio_unlock(folio);
}
static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
{
struct nilfs_segment_buffer *segbuf;
- struct page *bd_page = NULL, *fs_page = NULL;
+ struct folio *bd_folio = NULL, *fs_folio = NULL;
list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) {
struct buffer_head *bh;
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
- if (bh->b_page != bd_page) {
- if (bd_page) {
- lock_page(bd_page);
- clear_page_dirty_for_io(bd_page);
- set_page_writeback(bd_page);
- unlock_page(bd_page);
+ if (bh->b_folio != bd_folio) {
+ if (bd_folio) {
+ folio_lock(bd_folio);
+ folio_clear_dirty_for_io(bd_folio);
+ folio_start_writeback(bd_folio);
+ folio_unlock(bd_folio);
}
- bd_page = bh->b_page;
+ bd_folio = bh->b_folio;
}
}
@@ -1705,28 +1705,28 @@ static void nilfs_segctor_prepare_write(
b_assoc_buffers) {
set_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
- if (bh->b_page != bd_page) {
- lock_page(bd_page);
- clear_page_dirty_for_io(bd_page);
- set_page_writeback(bd_page);
- unlock_page(bd_page);
- bd_page = bh->b_page;
+ if (bh->b_folio != bd_folio) {
+ folio_lock(bd_folio);
+ folio_clear_dirty_for_io(bd_folio);
+ folio_start_writeback(bd_folio);
+ folio_unlock(bd_folio);
+ bd_folio = bh->b_folio;
}
break;
}
- if (bh->b_page != fs_page) {
- nilfs_begin_page_io(fs_page);
- fs_page = bh->b_page;
+ if (bh->b_folio != fs_folio) {
+ nilfs_begin_folio_io(fs_folio);
+ fs_folio = bh->b_folio;
}
}
}
- if (bd_page) {
- lock_page(bd_page);
- clear_page_dirty_for_io(bd_page);
- set_page_writeback(bd_page);
- unlock_page(bd_page);
+ if (bd_folio) {
+ folio_lock(bd_folio);
+ folio_clear_dirty_for_io(bd_folio);
+ folio_start_writeback(bd_folio);
+ folio_unlock(bd_folio);
}
- nilfs_begin_page_io(fs_page);
+ nilfs_begin_folio_io(fs_folio);
}
static int nilfs_segctor_write(struct nilfs_sc_info *sci,
_
Patches currently in -mm which might be from willy@infradead.org are
mm-add-folio_zero_tail-and-use-it-in-ext4.patch
mm-add-folio_fill_tail-and-use-it-in-iomap.patch
gfs2-convert-stuffed_readpage-to-stuffed_read_folio.patch
mm-remove-test_set_page_writeback.patch
afs-do-not-test-the-return-value-of-folio_start_writeback.patch
smb-do-not-test-the-return-value-of-folio_start_writeback.patch
mm-return-void-from-folio_start_writeback-and-related-functions.patch
mm-make-mapping_evict_folio-the-preferred-way-to-evict-clean-folios.patch
mm-convert-__do_fault-to-use-a-folio.patch
mm-use-mapping_evict_folio-in-truncate_error_page.patch
mm-convert-soft_offline_in_use_page-to-use-a-folio.patch
mm-convert-isolate_page-to-mf_isolate_folio.patch
mm-remove-invalidate_inode_page.patch
buffer-return-bool-from-grow_dev_folio.patch
buffer-calculate-block-number-inside-folio_init_buffers.patch
buffer-fix-grow_buffers-for-block-size-page_size.patch
buffer-cast-block-to-loff_t-before-shifting-it.patch
buffer-fix-various-functions-for-block-size-page_size.patch
buffer-handle-large-folios-in-__block_write_begin_int.patch
buffer-fix-more-functions-for-block-size-page_size.patch
gfp-include-__gfp_nowarn-in-gfp_nowait.patch
nilfs2-add-nilfs_end_folio_io.patch
nilfs2-convert-nilfs_abort_logs-to-use-folios.patch
nilfs2-convert-nilfs_segctor_complete_write-to-use-folios.patch
nilfs2-convert-nilfs_forget_buffer-to-use-a-folio.patch
nilfs2-convert-to-nilfs_folio_buffers_clean.patch
nilfs2-convert-nilfs_writepage-to-use-a-folio.patch
nilfs2-convert-nilfs_mdt_write_page-to-use-a-folio.patch
nilfs2-convert-to-nilfs_clear_folio_dirty.patch
nilfs2-convert-to-__nilfs_clear_folio_dirty.patch
nilfs2-convert-nilfs_segctor_prepare_write-to-use-folios.patch
nilfs2-convert-nilfs_page_mkwrite-to-use-a-folio.patch
nilfs2-convert-nilfs_mdt_create_block-to-use-a-folio.patch
nilfs2-convert-nilfs_mdt_submit_block-to-use-a-folio.patch
nilfs2-convert-nilfs_gccache_submit_read_data-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_create_block-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_submit_block-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_delete-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_prepare_change_key-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_commit_change_key-to-use-a-folio.patch
nilfs2-convert-nilfs_btnode_abort_change_key-to-use-a-folio.patch
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2023-11-14 23:23 + nilfs2-convert-nilfs_segctor_prepare_write-to-use-folios.patch added to mm-nonmm-unstable branch Andrew Morton
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