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Christoph Hellwig b06355f0fe Btrfs: [PATCH] extent_map: make the writepage_io hook optional
The writepage_io is not mandatory, e.g. my port of xfs to the extent_map
code does not have one for now.  So handle a NULL pointer gracefully
here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-09-10 20:02:32 -04:00
fs/btrfs Btrfs: [PATCH] extent_map: make the writepage_io hook optional 2007-09-10 20:02:32 -04:00