On 07/14/2016 07:31 PM, Omar Sandoval wrote:
From: Omar Sandoval <osan...@fb.com>
So it turns out that the free space tree bitmap handling has always been
broken on big-endian systems. Totally my bad.
Patch 1 fixes this. Technically, it's a disk format change for
big-endian systems, but it never could have worked before, so I won't go
through the trouble of any incompat bits. If you've somehow been using
space_cache=v2 on a big-endian system (I doubt anyone is), you're going
to want to mount with nospace_cache to clear it and wait for this to go
in.
Patch 2 fixes a similar error in the sanity tests (it's the same as the
v2 I posted here [1]) and patch 3 expands the sanity tests to catch the
oversight that patch 1 fixes.
Applies to v4.7-rc7. No regressions in xfstests, and the sanity tests
pass on x86_64 and MIPS.
Thanks for fixing this up Omar. Any big endian friends want to try this
out in extended testing and make sure we've nailed it down?
-chris
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