cvs commit: src/sys/kern kern_lock.c vfs_bio.c src/sys/sys buf.h lockmgr.h

[Tor Egge]

tegge       2006-10-09 20:04:46 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/kern             kern_lock.c vfs_bio.c 
    sys/sys              buf.h lockmgr.h 
  Log:
  MFC: If the buffer lock has waiters after the buffer has changed identity
       then getnewbuf() needs to drop the buffer in order to wake waiters that
       might sleep on the buffer in the context of the old identity.
  
  Approved by:    re (kensmith)
  
  Revision   Changes    Path
  1.89.2.5   +15 -0     src/sys/kern/kern_lock.c
  1.491.2.8  +11 -0     src/sys/kern/vfs_bio.c
  1.187.2.4  +11 -0     src/sys/sys/buf.h
  1.47.2.3   +1 -0      src/sys/sys/lockmgr.h