diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-12-14 16:13:29 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-03 15:32:29 +0200 |
| commit | 3d44714e83ed5aa449b2882b42041f57871a4686 (patch) | |
| tree | d306117278f61a85ced056b8eb7b5804a188776b /fs | |
| parent | 6e3fc678120eb0e243e7679d1f27564262cd11f9 (diff) | |
btrfs: add set_folio_extent_mapped() helper
[ Upstream commit dfba9f47730604a46c284f6099a11c5686b6289d ]
Turn set_page_extent_mapped() into a wrapper around this version.
Saves a call to compound_head() for callers who already have a folio
and removes a couple of users of page->mapping.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Stable-dep-of: 86211eea8ae1 ("btrfs: qgroup: validate btrfs_qgroup_inherit parameter")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/extent_io.c | 12 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.h | 1 |
2 files changed, 9 insertions, 4 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 7761d7d93ba9..8b88cd08ab05 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -936,17 +936,21 @@ static int attach_extent_buffer_folio(struct extent_buffer *eb, int set_page_extent_mapped(struct page *page) { - struct folio *folio = page_folio(page); + return set_folio_extent_mapped(page_folio(page)); +} + +int set_folio_extent_mapped(struct folio *folio) +{ struct btrfs_fs_info *fs_info; - ASSERT(page->mapping); + ASSERT(folio->mapping); if (folio_test_private(folio)) return 0; - fs_info = btrfs_sb(page->mapping->host->i_sb); + fs_info = btrfs_sb(folio->mapping->host->i_sb); - if (btrfs_is_subpage(fs_info, page->mapping)) + if (btrfs_is_subpage(fs_info, folio->mapping)) return btrfs_attach_subpage(fs_info, folio, BTRFS_SUBPAGE_DATA); folio_attach_private(folio, (void *)EXTENT_FOLIO_PRIVATE); diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 46050500529b..2c9d6570b0a3 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -221,6 +221,7 @@ int btree_write_cache_pages(struct address_space *mapping, void extent_readahead(struct readahead_control *rac); int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len); +int set_folio_extent_mapped(struct folio *folio); int set_page_extent_mapped(struct page *page); void clear_page_extent_mapped(struct page *page); |