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For NFSv4.1/4.2, the client may set the "seqid" field of the stateid to 0 in RPC requests. This indicates to the server that it should not check the "seqid" or return NFSERR_OLDSTATEID if the "seqid" value is not up to date w.r.t. Open/Lock operations on the stateid. This "seqid" is incremented by the NFSv4 server for each Open/OpenDowngrade/Lock/Locku operation done on the stateid. Since a failure return of NFSERR_OLDSTATEID is of no use to the client for I/O operations, it makes sense to set "seqid" to 0 for the stateid argument for I/O operations. This avoids server failure replies of NFSERR_OLDSTATEID, although I am not aware of any case where this failure occurs. This makes the FreeBSD NFSv4.1/4.2 client compatible with the Linux NFSv4.1/4.2 client. MFC after: 2 weeks |
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| .. | ||
| nfs.h | ||
| nfs_clbio.c | ||
| nfs_clcomsubs.c | ||
| nfs_clkdtrace.c | ||
| nfs_clkrpc.c | ||
| nfs_clnfsiod.c | ||
| nfs_clnode.c | ||
| nfs_clport.c | ||
| nfs_clrpcops.c | ||
| nfs_clstate.c | ||
| nfs_clsubs.c | ||
| nfs_clvfsops.c | ||
| nfs_clvnops.c | ||
| nfs_kdtrace.h | ||
| nfsmount.h | ||
| nfsnode.h | ||
| nlminfo.h | ||