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Christoph Hellwig 0e2752a72c Btrfs: [PATCH] extent_map: add writepage_end_io hook 
XFS updates the ondisk inode size only after the data I/O has finished,
so it needs a hook when the writepage end_bio handler has finished.

Might not be worth applying as-is as the per-page callback is very
ineffcient.  What XFS really wants is a callback when writeout of a
whole extent has completed.  This delayed i_size updates scheme might
be worthwile for btrfs aswell, btw.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
History 2007-09-10 20:02:33 -04:00
fs/btrfs Btrfs: [PATCH] extent_map: add writepage_end_io hook 2007-09-10 20:02:33 -04:00