| Message ID | 015a4a2c7afb8ed894f4fb734cb886f01b9feb0c.1716421534.git.wqu@suse.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | btrfs: enhance function extent_range_clear_dirty_for_io() | expand |
在 2024/5/23 09:17, Qu Wenruo 写道: > Although the function is never called for subpage ranges, there is no > harm to make it subpage compatible for the future sector perfect subpage > compression support. > > And since we're here, also change it to use folio APIs as the subpage > helper is already folio based. > > Signed-off-by: Qu Wenruo <wqu@suse.com> This patch is causing hangs for fstests with compression involved. Please drop the series for now. Thanks, Qu > --- > fs/btrfs/inode.c | 15 ++++++++++----- > 1 file changed, 10 insertions(+), 5 deletions(-) > > diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c > index 99be256f4f0e..dda47a273813 100644 > --- a/fs/btrfs/inode.c > +++ b/fs/btrfs/inode.c > @@ -892,15 +892,20 @@ static inline void inode_should_defrag(struct btrfs_inode *inode, > > static void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end) > { > + struct btrfs_fs_info *fs_info = inode_to_fs_info(inode); > + const u64 len = end + 1 - start; > unsigned long index = start >> PAGE_SHIFT; > unsigned long end_index = end >> PAGE_SHIFT; > - struct page *page; > > + /* We should not have such large range. */ > + ASSERT(len < U32_MAX); > while (index <= end_index) { > - page = find_get_page(inode->i_mapping, index); > - BUG_ON(!page); /* Pages should be in the extent_io_tree */ > - clear_page_dirty_for_io(page); > - put_page(page); > + struct folio *folio; > + > + folio = filemap_get_folio(inode->i_mapping, index); > + BUG_ON(IS_ERR(folio)); /* Pages should have been locked. */ > + btrfs_folio_clamp_clear_dirty(fs_info, folio, start, len); > + folio_put(folio); > index++; > } > }
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 99be256f4f0e..dda47a273813 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -892,15 +892,20 @@ static inline void inode_should_defrag(struct btrfs_inode *inode, static void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end) { + struct btrfs_fs_info *fs_info = inode_to_fs_info(inode); + const u64 len = end + 1 - start; unsigned long index = start >> PAGE_SHIFT; unsigned long end_index = end >> PAGE_SHIFT; - struct page *page; + /* We should not have such large range. */ + ASSERT(len < U32_MAX); while (index <= end_index) { - page = find_get_page(inode->i_mapping, index); - BUG_ON(!page); /* Pages should be in the extent_io_tree */ - clear_page_dirty_for_io(page); - put_page(page); + struct folio *folio; + + folio = filemap_get_folio(inode->i_mapping, index); + BUG_ON(IS_ERR(folio)); /* Pages should have been locked. */ + btrfs_folio_clamp_clear_dirty(fs_info, folio, start, len); + folio_put(folio); index++; } }
Although the function is never called for subpage ranges, there is no harm to make it subpage compatible for the future sector perfect subpage compression support. And since we're here, also change it to use folio APIs as the subpage helper is already folio based. Signed-off-by: Qu Wenruo <wqu@suse.com> --- fs/btrfs/inode.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-)