xfs: improve the xfs_dabuf_map calling conventions
Use a flags argument with the XFS_DABUF_MAP_HOLE_OK flag to signal that a hole is okay and not corruption, and return 0 with *nmap set to 0 to signal that case in the return value instead of a nameless -1 return code. Signed-off-by:Christoph Hellwig <hch@lst.de> Reviewed-by:
Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by:
Darrick J. Wong <darrick.wong@oracle.com>
parent
45feef8f
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