tree 83733f1f456047ba4f435f2fa06182707e4fe320
parent cfd4a535b68faf651b238586011f5bae128391c4
author Liu Bo <bo.li.liu@oracle.com> 1399600862 +0800
committer Chris Mason <clm@fb.com> 1400606268 -0700

Btrfs: fix EIO on reading file after ioctl clone works on it

For inline data extent, we need to make its length aligned, otherwise,
we can get a phantom extent map which confuses readpages() to return -EIO.

This can be detected by xfstests/btrfs/035.

Reported-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>