[Ocfs2-tools-devel] fsck performance drop#3 and other patches

[Sunil Mushran]

http://oss.oracle.com/git/?p=ocfs2-tools.git;a=shortlog;h=for-review-20120111

So the patches are all in the above branch. This patchset includes three different
changes.

First change is the fsck improvement. That is more or less the same as drop#2.
The only change here is the addition of progress for passes 1 and 2. Activated
via option, ofcourse.

Second change is the addition of tests for mkfs and fsck. I have rewritten the
tests and added them to /tests. And in course of running the tests, I fixed some
bugs in fsck and libocfs2. Patches included.

Also added a new utility o2cluster. This utility allows changing the cluster stack
stamped on disk. It also allows querying the stack on disk and the active stack.
Unlike tunefs, it does not expect the cluster stack to be started. This is useful
for o2cb/globalhb which needs the new stack stamped on disk before the vol can
be used as a global heartbeat disk. Chicken meet egg. The tool does not take any
cluster locks. It checks all the journals and continues only if all of them are clean.
So is safe.

Comments welcome.

Sunil
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