ocfs2: Add support of decrementing refcount for delete.

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Given a physical cpos and length, decrement the refcount
in the tree. If the refcount for any portion of the extent goes
to zero, that portion is queued for freeing.

Signed-off-by: Tao Ma <tao.ma@oracle.com>

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Tao Ma 2009-08-18 11:24:49 +08:00 • committed by Joel Becker

parent e73a819db9

commit 1823cb0b9f

4 changed files with 265 additions and 5 deletions

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6

fs/ocfs2/alloc.c

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3

fs/ocfs2/alloc.h

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256

fs/ocfs2/refcounttree.c

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5

fs/ocfs2/refcounttree.h

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