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btrfs: convert clear_page_extent_mapped() to take a folio

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The old page API is being gradually replaced and converted to use folio
to improve code readability and avoid repeated conversion between page
and folio. Now clear_page_extent_mapped() can deal with a folio
directly, so change its name to clear_folio_extent_mapped().

Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Li Zetao
2024-08-29 02:28:55 +08:00
committed by David Sterba
parent fd1e75d010
commit 266a9361a4
3 changed files with 7 additions and 8 deletions
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9
fs/btrfs/extent_io.c
View File

@@ -877,18 +877,17 @@ int set_folio_extent_mapped(struct folio *folio)
return 0;
}
void clear_page_extent_mapped(struct page *page)
void clear_folio_extent_mapped(struct folio *folio)
{
struct folio *folio = page_folio(page);
struct btrfs_fs_info *fs_info;
ASSERT(page->mapping);
ASSERT(folio->mapping);
if (!folio_test_private(folio))
return;
fs_info = page_to_fs_info(page);
if (btrfs_is_subpage(fs_info, page->mapping))
fs_info = folio_to_fs_info(folio);
if (btrfs_is_subpage(fs_info, folio->mapping))
return btrfs_detach_subpage(fs_info, folio);
folio_detach_private(folio);

2
fs/btrfs/extent_io.h
View File

@@ -249,7 +249,7 @@ int btree_write_cache_pages(struct address_space *mapping,
void btrfs_readahead(struct readahead_control *rac);
int set_folio_extent_mapped(struct folio *folio);
int set_page_extent_mapped(struct page *page);
void clear_page_extent_mapped(struct page *page);
void clear_folio_extent_mapped(struct folio *folio);
struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start, u64 owner_root, int level);

4
fs/btrfs/inode.c
View File

@@ -7240,7 +7240,7 @@ static bool __btrfs_release_folio(struct folio *folio, gfp_t gfp_flags)
{
if (try_release_extent_mapping(&folio->page, gfp_flags)) {
wait_subpage_spinlock(folio);
clear_page_extent_mapped(&folio->page);
clear_folio_extent_mapped(folio);
return true;
}
return false;
@@ -7438,7 +7438,7 @@ static void btrfs_invalidate_folio(struct folio *folio, size_t offset,
btrfs_folio_clear_checked(fs_info, folio, folio_pos(folio), folio_size(folio));
if (!inode_evicting)
__btrfs_release_folio(folio, GFP_NOFS);
clear_page_extent_mapped(&folio->page);
clear_folio_extent_mapped(folio);
}
static int btrfs_truncate(struct btrfs_inode *inode, bool skip_writeback)