DL-Mirrors/kernel-tenderloin-3.0
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NFSv4: Follow a referral

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Respond to a moved error on NFS lookup by setting up the referral.
Note: We don't actually follow the referral during lookup/getattr, but
later when we detect fsid mismatch in inode revalidation (similar to the
processing done for cloning submounts). Referrals will have fake attributes
until they are actually followed or traversed.

Signed-off-by: Manoj Naik <manoj@almaden.ibm.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Manoj Naik
2006-06-09 09:34:29 -04:00
committed by Trond Myklebust
parent 9cdb3883c3
commit 6b97fd3da1
5 changed files with 60 additions and 2 deletions
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include/linux/nfs_xdr.h
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@@ -63,6 +63,7 @@ struct nfs_fattr {
#define NFS_ATTR_FATTR 0x0002 /* post-op attributes */
#define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */
#define NFS_ATTR_FATTR_V4 0x0008 /* NFSv4 change attribute */
#define NFS_ATTR_FATTR_V4_REFERRAL 0x0010 /* NFSv4 referral */
/*
* Info on the file system