xfs: improve the xfs_dabuf_map calling conventions

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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>

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Christoph Hellwig 2019-11-20 10:18:50 -08:00 • committed by Darrick J. Wong

parent 45feef8f50

commit 199e9ba4e4

2 changed files with 17 additions and 29 deletions

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43

fs/xfs/libxfs/xfs_da_btree.c

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3

fs/xfs/libxfs/xfs_da_btree.h

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