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authorSage Weil <sage@newdream.net>2010-08-16 20:21:27 +0400
committerSage Weil <sage@newdream.net>2010-08-23 02:16:48 +0400
commiteb6bb1c5bdc6e455a9d16cb845cc65afc9b0a617 (patch)
tree8bbdd454c7a528b7a9f7d84bf084311b7433757f /mm/mincore.c
parented326044489ed89c740c50a3df5dffc9c3b20b96 (diff)
downloadlinux-eb6bb1c5bdc6e455a9d16cb845cc65afc9b0a617.tar.xz
ceph: direct requests in snapped namespace based on nonsnap parent
When making a request in the virtual snapdir or a snapped portion of the namespace, we should choose the MDS based on the first nonsnap parent (and its caps). If that is not the best place, we will get forward hints to find the right MDS in the cluster. This fixes ESTALE errors when using the .snap directory and namespace with multiple MDSs. Signed-off-by: Sage Weil <sage@newdream.net>
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