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NFS: Add softreval behaviour to nfs_lookup_revalidate()

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If the server is unavaliable, we want to allow the revalidating
lookup to time out, and to default to validating the cached dentry
if the 'softreval' mount option is set.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust
2020-01-14 12:06:34 -05:00
committed by Anna Schumaker
parent fe1e8dbec1
commit f7b37b8b13
9 changed files with 66 additions and 31 deletions
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2
include/linux/nfs_xdr.h
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@@ -1661,7 +1661,7 @@ struct nfs_rpc_ops {
struct inode *);
int (*setattr) (struct dentry *, struct nfs_fattr *,
struct iattr *);
int (*lookup) (struct inode *, const struct qstr *,
int (*lookup) (struct inode *, struct dentry *,
struct nfs_fh *, struct nfs_fattr *,
struct nfs4_label *);
int (*lookupp) (struct inode *, struct nfs_fh *,