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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Sat, 17 Mar 2007 18:18:09 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/sys/nfsserver nfs.h nfs_serv.c nfs_srvcache.c
 nfs_srvsock.c nfs_srvsubs.c nfs_syscalls.c nfsm_subs.h
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jeff        2007-03-17 18:18:09 UTC

  FreeBSD src repository

  Modified files:
    sys/nfsserver        nfs.h nfs_serv.c nfs_srvcache.c 
                         nfs_srvsock.c nfs_srvsubs.c 
                         nfs_syscalls.c nfsm_subs.h 
  Log:
   - Turn all explicit giant acquires into conditional VFS_LOCK_GIANTs.
     Only ops which used namei still remained.
   - Implement a scheme for reducing the overhead of tracking which vops
     require giant by constantly reducing the number of recursive giant
     acquires to one, leaving us with only one vfslocked variable.
   - Remove all NFSD lock acquisition and release from the individual nfs
     ops.  Careful examination has shown that they are not required.  This
     greatly simplifies the code.
  
  Sponsored by:   Isilon Systems, Inc.
  Discussed with: rwatson
  Tested by:      kkenn
  Approved by:    re
  
  Revision  Changes    Path
  1.82      +1 -4      src/sys/nfsserver/nfs.h
  1.171     +187 -554  src/sys/nfsserver/nfs_serv.c
  1.44      +2 -0      src/sys/nfsserver/nfs_srvcache.c
  1.102     +0 -10     src/sys/nfsserver/nfs_srvsock.c
  1.146     +42 -71    src/sys/nfsserver/nfs_srvsubs.c
  1.112     +2 -0      src/sys/nfsserver/nfs_syscalls.c
  1.39      +2 -5      src/sys/nfsserver/nfsm_subs.h