Commit 251f2acc authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba
Browse files

btrfs: support subpage in set/clear_extent_buffer_uptodate() 



To support subpage in set_extent_buffer_uptodate and
clear_extent_buffer_uptodate we only need to use the subpage-aware
helpers to update the page bits.

Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarQu Wenruo <wqu@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 03a816b3

fs/btrfs/extent_io.c

+7 −4
Original line number Diff line number Diff line
@@ -5672,30 +5672,33 @@ bool set_extent_buffer_dirty(struct extent_buffer *eb) 


void clear_extent_buffer_uptodate(struct extent_buffer *eb)

{

	int i;

	struct btrfs_fs_info *fs_info = eb->fs_info;

	struct page *page;

	int num_pages;

	int i;



	clear_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);

	num_pages = num_extent_pages(eb);

	for (i = 0; i < num_pages; i++) {

		page = eb->pages[i];

		if (page)

			ClearPageUptodate(page);

			btrfs_page_clear_uptodate(fs_info, page,

						  eb->start, eb->len);

	}

}



void set_extent_buffer_uptodate(struct extent_buffer *eb)

{

	int i;

	struct btrfs_fs_info *fs_info = eb->fs_info;

	struct page *page;

	int num_pages;

	int i;



	set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);

	num_pages = num_extent_pages(eb);

	for (i = 0; i < num_pages; i++) {

		page = eb->pages[i];

		SetPageUptodate(page);

		btrfs_page_set_uptodate(fs_info, page, eb->start, eb->len);

	}

}