git: kernel - Improve cache_fullpath(), plus cleanup

[Matthew Dillon]

commit 9460074f09093ba71169632ae8b7bdf3ba1c7ce9
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Fri Feb 28 22:27:39 2020 -0800

    kernel - Improve cache_fullpath(), plus cleanup
    
    * Improve cache_fullpath().  It can use a shared lock rather than an
      exclusive lock, significantly improving concurrency.  Important now
      since realpath() indirectly uses this function.
    
    * Code cleanup.  Remove unused vfscache_rollup_all()

Summary of changes:
 sys/kern/vfs_cache.c | 46 ++++++++++++++++++++++------------------------
 1 file changed, 22 insertions(+), 24 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/9460074f09093ba71169632ae8b7bdf3ba1c7ce9


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