ocfs2: Add preserve to reflink.

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reflink has 2 options for the destination file:
1. snapshot: reflink will attempt to preserve ownership, permissions,
   and all other security state in order to create a full snapshot.
2. new file: it will acquire the data extent sharing but will see the
   file's security state and attributes initialized as a new file.

So add the option to ocfs2.

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

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This commit is contained in:

Tao Ma 2009-08-18 11:47:56 +08:00 • committed by Joel Becker

parent bc13d34757

commit 0fe9b66c65

3 changed files with 119 additions and 22 deletions

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38

fs/ocfs2/refcounttree.c

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98

fs/ocfs2/xattr.c

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5

fs/ocfs2/xattr.h

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