Dave Chinner 4ce159890c
xfs: prevent extsize alignment from exceeding maximum extent size ...
When doing delayed allocation, if the allocation size is for a
maximally sized extent, extent size alignment can push it over this
limit. This results in an assert failure in xfs_bmbt_set_allf() as
the extent length is too large to find in the extent record.
Fix this by ensuring that we allow for space that extent size
alignment requires (up to 2 * (extsize -1) blocks as we have to
handle both head and tail alignment) when limiting the maximum size
of the extent.
Signed-off-by: Dave Chinner <dchinner@redhat.com >
Reviewed-by: Christoph Hellwig <hch@lst.de >
Reviewed-by: Alex Elder <aelder@sgi.com >
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4ce159890c