git: sys/vfs: Remove .vop_mmap implementations

[Tomohiro Kusumi]

commit b56a444bd12208907985cf2397fd2a72d7ff2ba3
Author: Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
Date:   Tue Apr 2 02:40:27 2019 +0900

    sys/vfs: Remove .vop_mmap implementations
    
    These either return EINVAL or panic.
    VOP_MMAP() is unused in the first place.
    
    (FreeBSD got rid of VOP_MMAP() entirely in 2000.)
    --
    commit 1afa7eea2714a80f7f460a084f2dd793df48a236
    Author: eivind <eivind at FreeBSD.org>
    Date:   Wed Nov 1 17:57:24 2000 +0000
    
        Give vop_mmap an untimely death.  The opportunity to give it a timely
        death timed out in 1996.

Summary of changes:
 sys/gnu/vfs/ext2fs/ext2_vnops.c | 17 -----------------
 sys/vfs/deadfs/dead_vnops.c     |  1 -
 sys/vfs/nfs/nfs_vnops.c         | 17 -----------------
 sys/vfs/ufs/ufs_vnops.c         | 17 -----------------
 4 files changed, 52 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b56a444bd12208907985cf2397fd2a72d7ff2ba3


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