xfs: encode the rtbitmap in big endian format

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Currently, the ondisk realtime bitmap file is accessed in units of
32-bit words.  There's no endian translation of the contents of this
file, which means that the Bad Things Happen(tm) if you go from (say)
x86 to powerpc.  Since we have a new feature flag, let's take the
opportunity to enforce an endianness on the file.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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This commit is contained in:

Darrick J. Wong 2024-11-03 20:19:23 -08:00

parent 118895aa95

commit eba42c2c53

2 changed files with 9 additions and 2 deletions

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4

fs/xfs/libxfs/xfs_format.h

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7

fs/xfs/libxfs/xfs_rtbitmap.h

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