From owner-cvs-all  Sat Mar 31  8:20:13 2001
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sat, 31 Mar 2001 08:20:06 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern syscalls.master vfs_syscalls.c
         src/sys/sys extattr.h
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rwatson     2001/03/31 08:20:06 PST

  Modified files:
    sys/kern             syscalls.master vfs_syscalls.c 
    sys/sys              extattr.h 
  Log:
  o Introduce extattr_{delete,get,set}_fd() to allow extended attribute
    operations on file descriptors, which complement the existing set of
    calls, extattr_{delete,get,set}_file() which act on paths.  In doing
    so, restructure the system call implementation such that the two sets
    of functions share most of the relevant code, rather than duplicating
    it.  This pushes the vnode locking into the shared code, but keeps
    the copying in of some arguments in the system call code.  Allowing
    access via file descriptors reduces the opportunity for race
    conditions when managing extended attributes.
  
  Obtained from:	TrustedBSD Project
  
  Revision  Changes    Path
  1.87      +9 -1      src/sys/kern/syscalls.master
  1.187     +214 -75   src/sys/kern/vfs_syscalls.c
  1.6       +14 -9     src/sys/sys/extattr.h


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