rbd: use watch/notify for changes in rbd header

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Send notifications when we change the rbd header (e.g. create a snapshot)
and wait for such notifications.  This allows synchronizing the snapshot
creation between different rbd clients/rools.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

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This commit is contained in:

Yehuda Sadeh

2011-03-21 15:10:11 -07:00

committed by Sage Weil

parent a40c4f10e3

commit 59c2be1e4d

1 changed files with 335 additions and 26 deletions

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361

drivers/block/rbd.c

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