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(parent: de474ee) | patch
Ocfs2/move_extents: move a range of extent.
authorTristan Ye <tristan.ye@oracle.com>
Fri, 18 Mar 2011 06:35:33 +0000 (14:35 +0800)
committerTristan Ye <tristan.ye@oracle.com>
Wed, 25 May 2011 07:17:09 +0000 (15:17 +0800)
commit8f603e567aa7a243e68ca48b4f105b990851360f
treef12071d774d6f7d89480ee87a987cbca1687f49ctree | snapshot
parentde474ee8bbc315b0e6772cebdb24b335f82cf95dcommit | diff
Ocfs2/move_extents: move a range of extent.

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>
fs/ocfs2/move_extents.c diff | blob | history
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