Thread (52 messages) 52 messages, 5 authors, 2021-02-04
STALE1968d REVIEWED: 4 (4M)
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[PATCH v5 10/18] btrfs: support subpage in set/clear_extent_buffer_uptodate()

From: Qu Wenruo <hidden>
Date: 2021-01-26 16:39:18
Subsystem: btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers: Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds

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.

Signed-off-by: Qu Wenruo <redacted>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/extent_io.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 7ee28d94bae9..78fd36ba1f47 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -5670,30 +5670,33 @@ 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);
 	}
 }
 
-- 
2.30.0
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