diff mbox series

[02/21] btrfs: fix sub-page error bit in end_bio_subpage_eb_writepage

Message ID 20230314061655.245340-3-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/21] btrfs: mark extent_buffer_under_io static | expand

Commit Message

Christoph Hellwig March 14, 2023, 6:16 a.m. UTC
Call btrfs_page_clear_uptodate instead of ClearPageUptodate to properly
manage the error bit for the subpage case.

Reported-by: Qu Wenruo <quwenruo.btrfs@gmx.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/btrfs/extent_io.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Qu Wenruo March 14, 2023, 8:06 a.m. UTC | #1
On 2023/3/14 14:16, Christoph Hellwig wrote:
> Call btrfs_page_clear_uptodate instead of ClearPageUptodate to properly
> manage the error bit for the subpage case.

I guess you mean "uptodate bit".

> 
> Reported-by: Qu Wenruo <quwenruo.btrfs@gmx.com>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Qu Wenruo <wqu@suse.com>

Thanks,
Qu

> ---
>   fs/btrfs/extent_io.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
> index 302af9b01bda2a..2bc141b3f3bc4b 100644
> --- a/fs/btrfs/extent_io.c
> +++ b/fs/btrfs/extent_io.c
> @@ -1914,7 +1914,8 @@ static void end_bio_subpage_eb_writepage(struct btrfs_bio *bbio)
>   
>   			if (bio->bi_status ||
>   			    test_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) {
> -				ClearPageUptodate(page);
> +				btrfs_page_clear_uptodate(fs_info, page,
> +							  eb->start, eb->len);
>   				set_btree_ioerr(page, eb);
>   			}
>
Christoph Hellwig March 14, 2023, 8:12 a.m. UTC | #2
On Tue, Mar 14, 2023 at 04:06:46PM +0800, Qu Wenruo wrote:
>
>
> On 2023/3/14 14:16, Christoph Hellwig wrote:
>> Call btrfs_page_clear_uptodate instead of ClearPageUptodate to properly
>> manage the error bit for the subpage case.
>
> I guess you mean "uptodate bit".

Indeed.
diff mbox series

Patch

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 302af9b01bda2a..2bc141b3f3bc4b 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1914,7 +1914,8 @@  static void end_bio_subpage_eb_writepage(struct btrfs_bio *bbio)
 
 			if (bio->bi_status ||
 			    test_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) {
-				ClearPageUptodate(page);
+				btrfs_page_clear_uptodate(fs_info, page,
+							  eb->start, eb->len);
 				set_btree_ioerr(page, eb);
 			}