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MFC r305504:
authoreadler <eadler@FreeBSD.org>
Sun, 4 Mar 2018 19:17:32 +0000 (19:17 +0000)
committereadler <eadler@FreeBSD.org>
Sun, 4 Mar 2018 19:17:32 +0000 (19:17 +0000)
commitcd49de9b98229f9926ca9c542a101b6f39cff0a2
treea98d997fdd199d3cb0b13f480c4b274e4b30196d
parent86fe858a69210d5a721c27fa71f8eb9368b40c19
MFC r305504:

nullfs: stop special-casing directories in null_vptocnp

The previous code was forcing an expensive walk in vop_stdvptocnp,
which was causing performance issues on highly contended zfs.
sys/fs/nullfs/null_vnops.c