cvs commit: src/sys/fs/devfs devfs.h devfs_devs.c devfs_vfsops.c devfs_vnops.c

[Konstantin Belousov]

kib         2006-10-30 15:33:38 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/fs/devfs         devfs.h devfs_devs.c devfs_vfsops.c 
                         devfs_vnops.c 
  Log:
  MFC:
  rev. 1.30   src/sys/fs/devfs/devfs.h
  rev. 1.47   src/sys/fs/devfs/devfs_devs.c
  rev. 1.51   src/sys/fs/devfs/devfs_vfsops.c
  rev. 1.134  src/sys/fs/devfs/devfs_vnops.c
  
  Resolve the devfs deadlock caused by LOR between devfs_mount->dm_lock
  and vnode lock in devfs_allocv. Add hold counters for both devfs_mount
  and devfs_dirent, and DE_DOOMED flag for devfs_dirent.
  
  Approved by:    re (hrs)
  PR:             kern/102335
  
  Revision    Changes    Path
  1.22.2.4    +11 -0     src/sys/fs/devfs/devfs.h
  1.36.2.5    +12 -1     src/sys/fs/devfs/devfs_devs.c
  1.44.2.5    +20 -4     src/sys/fs/devfs/devfs_vfsops.c
  1.114.2.10  +70 -11    src/sys/fs/devfs/devfs_vnops.c