cvs commit: src/sys/fs/devfs devfs_vnops.c src/sys/fs/fifofs fifo_vnops.c src/sys/kern uipc_usrreq.c vfs_vnops.c src/sys/vm vnode_pager.c

[John Baldwin]

jhb         2007-10-03 21:06:05 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/fs/devfs         devfs_vnops.c 
    sys/fs/fifofs        fifo_vnops.c 
    sys/kern             uipc_usrreq.c vfs_vnops.c 
    sys/vm               vnode_pager.c 
  Log:
  MFC: Always use an exclusive lock on the leaf vnode during an open() when
  shared lookups are enabled.  This closes a few races including a race where
  concurrent opens of a fifo could result in different v_fifoinfo structures
  in different threads.
  
  Revision    Changes    Path
  1.114.2.15  +1 -0      src/sys/fs/devfs/devfs_vnops.c
  1.113.2.20  +1 -1      src/sys/fs/fifofs/fifo_vnops.c
  1.155.2.23  +1 -1      src/sys/kern/uipc_usrreq.c
  1.233.2.7   +2 -2      src/sys/kern/vfs_vnops.c
  1.221.2.9   +3 -3      src/sys/vm/vnode_pager.c