diff options
| author | rmacklem <rmacklem@FreeBSD.org> | 2010-04-18 22:21:23 +0000 |
|---|---|---|
| committer | rmacklem <rmacklem@FreeBSD.org> | 2010-04-18 22:21:23 +0000 |
| commit | 2c6900a254f8747c55019ef3c5fff96917c31b48 (patch) | |
| tree | e6187984cb8740a17c6f0049fdf2d86e13f859c9 /sys/fs/nfs/nfsclstate.h | |
| parent | 1027d9c280dc27be53239935154e6717b26312c1 (diff) | |
| download | FreeBSD-src-2c6900a254f8747c55019ef3c5fff96917c31b48.zip FreeBSD-src-2c6900a254f8747c55019ef3c5fff96917c31b48.tar.gz | |
Avoid extraneous recovery cycles in the experimental NFS client
when an NFSv4 server reboots, by doing two things.
1 - Make the function that acquires a stateid for I/O operations
block until recovery is complete, so that it doesn't acquire
out of date stateids.
2 - Only allow a recovery once every 1/2 of a lease duration, since
the NFSv4 server must provide a recovery grace period of at
least a lease duration. This should avoid recoveries caused
by an out of date stateid that was acquired for an I/O op.
just before a recovery cycle started.
MFC after: 1 week
Diffstat (limited to 'sys/fs/nfs/nfsclstate.h')
| -rw-r--r-- | sys/fs/nfs/nfsclstate.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/fs/nfs/nfsclstate.h b/sys/fs/nfs/nfsclstate.h index edd479c..72d8eeb 100644 --- a/sys/fs/nfs/nfsclstate.h +++ b/sys/fs/nfs/nfsclstate.h @@ -74,6 +74,7 @@ struct nfsclclient { #define NFSCLFLAGS_EXPIREIT 0x0040 #define NFSCLFLAGS_FIRSTDELEG 0x0080 #define NFSCLFLAGS_GOTDELEG 0x0100 +#define NFSCLFLAGS_RECVRINPROG 0x0200 struct nfsclowner { LIST_ENTRY(nfsclowner) nfsow_list; |
