cvs commit: src/sys/ufs/ffs ffs_extern.h ffs_softdep.c ffs_vfsops.c

[Konstantin Belousov]

kib         2008-08-28 09:18:20 UTC

  FreeBSD src repository

  Modified files:
    sys/ufs/ffs          ffs_extern.h ffs_softdep.c ffs_vfsops.c 
  Log:
  SVN rev 182365 on 2008-08-28 09:18:20Z by kib
  
  Softdep code may need to instantiate vnode when processing
  dependencies. In particular, it may need this while syncing filesystem
  being unmounted. Since during unmount MNTK_NOINSMNTQUE flag is set,
  that could sometimes disallow insertion of the vnode into the vnode
  mount list, softdep code needs to overwrite the MNTK_NOINSMNTQUE flag.
  
  Create the ffs_vgetf() function that sets the VV_FORCEINSMQ flag for
  new vnode and use it consistently from the softdep code instead of
  ffs_vget().
  
  Add the retry logic to the softdep_flushfiles() to flush the vnodes
  that could be instantiated while flushing softdep dependencies.
  
  Tested by:      pho, kris
  Reviewed by:    tegge
  MFC after:      1 month
  
  Revision  Changes    Path
  1.75      +3 -0      src/sys/ufs/ffs/ffs_extern.h
  1.224     +42 -15    src/sys/ufs/ffs/ffs_softdep.c
  1.346     +14 -0     src/sys/ufs/ffs/ffs_vfsops.c