Ocfs2/move_extents: move a range of extent.

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The moving range of __ocfs2_move_extent() was within one extent always, it
consists following parts:

1. Duplicates the clusters in pages to new_blkoffset, where extent to be moved.

2. Split the original extent with new extent, coalecse the nearby extents if possible.

3. Append old clusters to truncate log, or decrease_refcount if the extent was refcounted.

Signed-off-by: Tristan Ye <tristan.ye@oracle.com>

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Tristan Ye 2011-03-18 14:35:33 +08:00

parent de474ee8bb

commit 8f603e567a

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fs/ocfs2/move_extents.c

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