tree 8698a6dd1d0d038f1b56f79c92783518d36f2145
parent eb84ae039e10f1f80443d846ba1350122bbdc753
author Chris Mason <chris.mason@oracle.com> 1216376233 -0400
committer Chris Mason <chris.mason@oracle.com> 1222355045 -0400

Btrfs: Handle data checksumming on bios that span multiple ordered extents

Data checksumming is done right before the bio is sent down the IO stack,
which means a single bio might span more than one ordered extent.  In
this case, the checksumming data is split between two ordered extents.

Signed-off-by: Chris Mason <chris.mason@oracle.com>