On Fri, Jul 25, 2014 at 09:49:03AM +0800, Qu Wenruo wrote: > When page aligned start and len passed to extent_fiemap(), the result is > good, but when start and len is not aligned, e.g. start = 1 and len = > 4095 is passed to extent_fiemap(), it returns no extent. > > The problem is that start and len is all rounded up which causes the > problem. This patch will round down start and round up (start + len) to > return right extent. > > Reported-by: Chandan Rajendra <chan...@linux.vnet.ibm.com> > Signed-off-by: Qu Wenruo <quwen...@cn.fujitsu.com>
Reviewed-by: David Sterba <dste...@suse.cz> > --- > changelog: > v2: reword the description(ALIGN rounds up, not rounds down). JFYI, if you're just rewording the changelog, you can keep the reviewed-by tags. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html