[Ocfs2-devel] [PATCH 0/3] ocfs2: add freeze/thaw support -v2
Wengang Wang
wen.gang.wang at oracle.com
Fri Jan 29 06:23:47 PST 2010
changes from v1
1): fs locking prototol version up 0.1 instead of change in dlm protocol version.
2): fixes the racing with umount. yet relies on cancelable cluster lock.
3): timeout the joinning in a cluster when it's frozen instead of waiting until
thaw. yet relies on cancelable cluster lock.
4): fix deadlock(with super lock) when joining in a frozen cluster. Move freeze
lock out of super lock.
5): takes care of a node crash when cluster is frozen(recvery related). Flush
journal in ocfs2_sync_fs() when cluster is in progress of frozen. so that
no journal replay needed.
6): tiny changes
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