git: sys/vfs/msdosfs: Add clusteralloc1()

[Tomohiro Kusumi]

commit 1e8c72d4d872c3787f4e1b51b3e9d7bf9b370f77
Author: Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
Date:   Sun Oct 6 00:41:44 2019 +0900

    sys/vfs/msdosfs: Add clusteralloc1()
    
    bits from freebsd/freebsd at eb2b3c8672da21da1d5b72a0b44f0e8c3271cc1e
    "Use pm_fatlock to protect fat bitmap."
    
    Reduce diff against FreeBSD.
    
    MP lock part is ignored.
    sys/vfs/msdosfs isn't MPSAFE'd yet.

Summary of changes:
 sys/vfs/msdosfs/msdosfs_fat.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/1e8c72d4d872c3787f4e1b51b3e9d7bf9b370f77


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