git: sys/vfs/msdosfs: Save/restore fatchain cache in VOP_BMAP()

[Tomohiro Kusumi]

commit f3796bcf8e2d7a71c22aaa3a6c637469bf0806ab
Author: Tomohiro Kusumi <kusumi.tomohiro at gmail.com>
Date:   Wed Nov 13 00:09:05 2019 +0900

    sys/vfs/msdosfs: Save/restore fatchain cache in VOP_BMAP()
    
    from freebsd/freebsd at 651827134bd3a0e50aa76f83e6b83d6976b010a6
    
    Prevent VOP_BMAP() from updating FC_LASTMAP fatchain cache
    with irrelevant location.

Summary of changes:
 sys/vfs/msdosfs/msdosfs_vnops.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f3796bcf8e2d7a71c22aaa3a6c637469bf0806ab


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