librbd: implement image.snap_exists()

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This is a much more convenient way to tell if a snapshot already exists.

Signed-off-by: Sage Weil <sage@inktank.com>

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Sage Weil 2013-03-28 21:17:21 -07:00 committed by Josh Durgin

parent c5bd978a1d

commit 3694968a05

5 changed files with 27 additions and 0 deletions

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