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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: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2021-01-26 16:33:54 +08:00 committed by David Sterba
parent 03a816b32b
commit 251f2acc71
1 changed files with 7 additions and 4 deletions
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11
fs/btrfs/extent_io.c
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@ -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);
}
}