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Commit 69aaaae1 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: A referral is assumed to always point to a directory. 



Fix a bug whereby we would fail to create a mount point for a referral.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 409924e4

fs/nfs/nfs4proc.c

+14 −0
Original line number Diff line number Diff line
@@ -3678,6 +3678,19 @@ ssize_t nfs4_listxattr(struct dentry *dentry, char *buf, size_t buflen) 
	return len;

}



static void nfs_fixup_referral_attributes(struct nfs_fattr *fattr)

{

	if (!((fattr->valid & NFS_ATTR_FATTR_FILEID) &&

		(fattr->valid & NFS_ATTR_FATTR_FSID) &&

		(fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL)))

		return;



	fattr->valid |= NFS_ATTR_FATTR_TYPE | NFS_ATTR_FATTR_MODE |

		NFS_ATTR_FATTR_NLINK;

	fattr->mode = S_IFDIR | S_IRUGO | S_IXUGO;

	fattr->nlink = 2;

}



int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,

		struct nfs4_fs_locations *fs_locations, struct page *page)

{
@@ -3704,6 +3717,7 @@ int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name, 
	fs_locations->server = server;

	fs_locations->nlocations = 0;

	status = rpc_call_sync(server->client, &msg, 0);

	nfs_fixup_referral_attributes(&fs_locations->fattr);

	dprintk("%s: returned status = %d\n", __func__, status);

	return status;

}