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(parent: 095cb21) | patch
rbd: protect read of snapshot sequence number
authorJosh Durgin <josh.durgin@dreamhost.com>
Mon, 5 Dec 2011 18:47:13 +0000 (10:47 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 26 Nov 2012 19:38:10 +0000 (11:38 -0800)
commit45739514727c294e843269d515b952d5dbd911bf
tree96021d986c838adf85f6799d40e3583ce026eddftree | snapshot
parent095cb2142dfb10daea5a3351ed9646d3178a6823commit | diff
rbd: protect read of snapshot sequence number

(cherry picked from commit 403f24d3d51760a8b9368d595fa5f48c309f1a0f)

This is updated whenever a snapshot is added or deleted, and the
snapc pointer is changed with every refresh of the header.

Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
Reviewed-by: Alex Elder <elder@dreamhost.com>
Reviewed-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/block/rbd.c diff | blob | history
Domain: System / Kernel;