1 --- a/src/afs/LINUX/osi_vnodeops.c
2 +++ b/src/afs/LINUX/osi_vnodeops.c
3 @@ -2245,10 +2245,13 @@
7 + /* Check for RCU path walking */
8 #if defined(IOP_PERMISSION_TAKES_FLAGS)
9 - /* We don't support RCU path walking */
10 if (flags & IPERM_FLAG_RCU)
12 +#elif defined(MAY_NOT_BLOCK)
13 + if (mode & MAY_NOT_BLOCK)