git: kernel - Optimize nlookup() a bit more

Matthew Dillon dillon at crater.dragonflybsd.org
Mon Dec 16 23:06:46 PST 2019


commit a11f15a48aada0fe09a5dc61ef50a0d8f98169e9
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Mon Dec 16 23:03:52 2019 -0800

    kernel - Optimize nlookup() a bit more
    
    * Optimize the fast-path for nlookup() for non-modifying
      operations (i.e. open() without O_CREAT, stat(), etc).  In
      such cases special directory modes need not be considered
      as long as world-execute permissions are present.
    
    Suggested-by: mjg

Summary of changes:
 sys/kern/vfs_nlookup.c | 2 +-
 sys/sys/namecache.h    | 2 +-
 sys/sys/nlookup.h      | 3 +++
 3 files changed, 5 insertions(+), 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/a11f15a48aada0fe09a5dc61ef50a0d8f98169e9


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