Re: [PATCH V20 03/19] Btrfs: subpage-blocksize: Make sure delalloc range intersects with the locked page's range

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On 07/04/2016 12:34 AM, Chandan Rajendra wrote:
find_delalloc_range indirectly depends on EXTENT_UPTODDATE to make sure that
the delalloc range returned intersects with the file range mapped by the
page. Since we now track "uptodate" state in a per-page
bitmap (i.e. in btrfs_page_private->bstate), this commit makes an explicit
check to make sure that the delalloc range starts from within the file range
mapped by the page.

Signed-off-by: Chandan Rajendra <chandan@xxxxxxxxxxxxxxxxxx>

Reviewed-by: Josef Bacik <jbacik@xxxxxx>

Thanks,

Josef
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