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(parent: af5b5af) | patch
xfs: don't block on the ilock for RWF_NOWAIT
authorChristoph Hellwig <hch@lst.de>
Thu, 1 Mar 2018 22:12:45 +0000 (14:12 -0800)
committerDarrick J. Wong <darrick.wong@oracle.com>
Thu, 1 Mar 2018 22:12:45 +0000 (14:12 -0800)
commitff3d8b9c4cb95180ae6ef9eed28409840525b9fa
tree14585938c73fbce45ff05877544aaab6e2c17503tree | snapshot
parentaf5b5afe9ac68406892fa343fafba4ea988c3c69commit | diff
xfs: don't block on the ilock for RWF_NOWAIT

Fix xfs_file_iomap_begin to trylock the ilock if IOMAP_NOWAIT is passed,
so that we don't block io_submit callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
fs/xfs/xfs_iomap.c diff | blob | history
Domain: System / Kernel;