xfs: create block pointer check functions

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Create some helper functions to check that a block pointer points
within the filesystem (or AG) and doesn't point at static metadata.
We will use this for scrub.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

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This commit is contained in:

Darrick J. Wong 2017-10-17 21:37:32 -07:00

parent ed438b476b

commit 21ec54168b

4 changed files with 67 additions and 0 deletions

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49

fs/xfs/libxfs/xfs_alloc.c

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4

fs/xfs/libxfs/xfs_alloc.h

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12

fs/xfs/libxfs/xfs_rtbitmap.c

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2

fs/xfs/xfs_rtalloc.h

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