On Thu, Feb 09, 2017 at 05:24:33PM +0900, Takafumi Kubota wrote:
> If btrfs_bio_alloc fails in submit_extent_page, submit_extent_page returns
> without clearing the writeback bit of the failed page.
>
> __extent_writepage_io, that is a caller of submit_extent_page,
> does not clear the remaining w
If btrfs_bio_alloc fails in submit_extent_page, submit_extent_page returns
without clearing the writeback bit of the failed page.
__extent_writepage_io, that is a caller of submit_extent_page,
does not clear the remaining writeback bit anywhere.
As a result, this will cause the hang at filemap_fda
