Chris Mason 163cf09c2a Btrfs: deal with DIO bios that span more than one ordered extent ...

The new DIO bio splitting code has problems when the bio
spans more than one ordered extent.  This will happen as the
generic DIO code merges our get_blocks calls together into
a bigger single bio.

This fixes things by walking forward in the ordered extent
code finding all the overlapping ordered extents and completing them
all at once.

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

2010-11-28 19:56:33 -05:00

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