The patch titled
Subject: nilfs2: convert nilfs_mdt_forget_block() to use a folio
has been added to the -mm mm-unstable branch. Its filename is
nilfs2-convert-nilfs_mdt_forget_block-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/nilfs2-convert-nilfs_mdt_forget_block-to-use-a-folio.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: nilfs2: convert nilfs_mdt_forget_block() to use a folio
Date: Mon, 16 Oct 2023 21:11:00 +0100
Remove a number of folio->page->folio conversions.
Link: https://lkml.kernel.org/r/20231016201114.1928083-14-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Acked-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Cc: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
Cc: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/nilfs2/mdt.c | 30 ++++++++++++++----------------
1 file changed, 14 insertions(+), 16 deletions(-)
--- a/fs/nilfs2/mdt.c~nilfs2-convert-nilfs_mdt_forget_block-to-use-a-folio
+++ a/fs/nilfs2/mdt.c
@@ -356,30 +356,28 @@ int nilfs_mdt_delete_block(struct inode
*/
int nilfs_mdt_forget_block(struct inode *inode, unsigned long block)
{
- pgoff_t index = (pgoff_t)block >>
- (PAGE_SHIFT - inode->i_blkbits);
- struct page *page;
- unsigned long first_block;
+ pgoff_t index = block >> (PAGE_SHIFT - inode->i_blkbits);
+ struct folio *folio;
+ struct buffer_head *bh;
int ret = 0;
int still_dirty;
- page = find_lock_page(inode->i_mapping, index);
- if (!page)
+ folio = filemap_lock_folio(inode->i_mapping, index);
+ if (IS_ERR(folio))
return -ENOENT;
- wait_on_page_writeback(page);
+ folio_wait_writeback(folio);
- first_block = (unsigned long)index <<
- (PAGE_SHIFT - inode->i_blkbits);
- if (page_has_buffers(page)) {
- struct buffer_head *bh;
-
- bh = nilfs_page_get_nth_block(page, block - first_block);
+ bh = folio_buffers(folio);
+ if (bh) {
+ unsigned long first_block = index <<
+ (PAGE_SHIFT - inode->i_blkbits);
+ bh = get_nth_bh(bh, block - first_block);
nilfs_forget_buffer(bh);
}
- still_dirty = PageDirty(page);
- unlock_page(page);
- put_page(page);
+ still_dirty = folio_test_dirty(folio);
+ folio_unlock(folio);
+ folio_put(folio);
if (still_dirty ||
invalidate_inode_pages2_range(inode->i_mapping, index, index) != 0)
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-make-lock_folio_maybe_drop_mmap-vma-lock-aware.patch
mm-call-wp_page_copy-under-the-vma-lock.patch
mm-handle-shared-faults-under-the-vma-lock.patch
mm-handle-cow-faults-under-the-vma-lock.patch
mm-handle-read-faults-under-the-vma-lock.patch
mm-handle-write-faults-to-ro-pages-under-the-vma-lock.patch
iomap-hold-state_lock-over-call-to-ifs_set_range_uptodate.patch
iomap-protect-read_bytes_pending-with-the-state_lock.patch
mm-add-folio_end_read.patch
ext4-use-folio_end_read.patch
buffer-use-folio_end_read.patch
iomap-use-folio_end_read.patch
bitops-add-xor_unlock_is_negative_byte.patch
alpha-implement-xor_unlock_is_negative_byte.patch
m68k-implement-xor_unlock_is_negative_byte.patch
mips-implement-xor_unlock_is_negative_byte.patch
powerpc-implement-arch_xor_unlock_is_negative_byte-on-32-bit.patch
riscv-implement-xor_unlock_is_negative_byte.patch
s390-implement-arch_xor_unlock_is_negative_byte.patch
mm-delete-checks-for-xor_unlock_is_negative_byte.patch
mm-add-folio_xor_flags_has_waiters.patch
mm-make-__end_folio_writeback-return-void.patch
mm-use-folio_xor_flags_has_waiters-in-folio_end_writeback.patch
filemap-remove-use-of-wait-bookmarks.patch
sched-remove-wait-bookmarks.patch
buffer-return-bool-from-grow_dev_folio.patch
buffer-make-folio_create_empty_buffers-return-a-buffer_head.patch
mpage-convert-map_buffer_to_folio-to-folio_create_empty_buffers.patch
ext4-convert-to-folio_create_empty_buffers.patch
buffer-add-get_nth_bh.patch
gfs2-convert-inode-unstuffing-to-use-a-folio.patch
gfs2-convert-gfs2_getbuf-to-folios.patch
gfs2-convert-gfs2_getjdatabuf-to-use-a-folio.patch
gfs2-convert-gfs2_write_buf_to_page-to-use-a-folio.patch
nilfs2-convert-nilfs_mdt_freeze_buffer-to-use-a-folio.patch
nilfs2-convert-nilfs_grab_buffer-to-use-a-folio.patch
nilfs2-convert-nilfs_copy_page-to-nilfs_copy_folio.patch
nilfs2-convert-nilfs_mdt_forget_block-to-use-a-folio.patch
nilfs2-convert-nilfs_mdt_get_frozen_buffer-to-use-a-folio.patch
nilfs2-remove-nilfs_page_get_nth_block.patch
nilfs2-convert-nilfs_lookup_dirty_data_buffers-to-use-folio_create_empty_buffers.patch
ntfs-convert-ntfs_read_block-to-use-a-folio.patch
ntfs-convert-ntfs_writepage-to-use-a-folio.patch
ntfs-convert-ntfs_prepare_pages_for_non_resident_write-to-folios.patch
ntfs3-convert-ntfs_zero_range-to-use-a-folio.patch
ocfs2-convert-ocfs2_map_page_blocks-to-use-a-folio.patch
reiserfs-convert-writepage-to-use-a-folio.patch
ufs-add-ufs_get_locked_folio-and-ufs_put_locked_folio.patch
ufs-use-ufs_get_locked_folio-in-ufs_alloc_lastblock.patch
ufs-convert-ufs_change_blocknr-to-use-folios.patch
ufs-remove-ufs_get_locked_page.patch
buffer-remove-folio_create_empty_buffers.patch
