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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
fs/nfs/namespace.c
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@@ -301,7 +301,7 @@ int nfs_submount(struct fs_context *fc, struct nfs_server *server)
int err;
/* Look it up again to get its attributes */
err = server->nfs_client->rpc_ops->lookup(d_inode(parent), &dentry->d_name,
err = server->nfs_client->rpc_ops->lookup(d_inode(parent), dentry,
ctx->mntfh, ctx->clone_data.fattr,
NULL);
dput(parent);