Darrick J. Wong f48e2df8a8 xfs: make xfs_*read_agf return EAGAIN to ALLOC_FLAG_TRYLOCK callers ...

Refactor xfs_read_agf and xfs_alloc_read_agf to return EAGAIN if the
caller passed TRYLOCK and we weren't able to get the lock; and change
the callers to recognize this.

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

2020-01-26 14:32:26 -08:00

11 KiB

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