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    ocfs2: temporarily remove extent map caching · 363041a5
    Mark Fasheh 提交于
    The code in extent_map.c is not prepared to deal with a subtree being
    rotated between lookups. This can happen when filling holes in sparse files.
    Instead of a lengthy patch to update the code (which would likely lose the
    benefit of caching subtree roots), we remove most of the algorithms and
    implement a simple path based lookup. A less ambitious extent caching scheme
    will be added in a later patch.
    Signed-off-by: NMark Fasheh <mark.fasheh@oracle.com>
    363041a5
journal.c 37.9 KB