nfsd: link returns nfserr_delay when breaking lease

fix for commit 4795bb37effb7b8fe77e2d2034545d062d3788a8, nfsd: break
lease on unlink, link, and rename

if the LINK operation breaks a delegation, it returns NFS4ERR_NOENT
(which is not a valid error in rfc 5661) instead of NFS4ERR_DELAY.
the return value of nfsd_break_lease() in nfsd_link() must be
converted from host_err to err

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
Cc: stable@kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index d571827..f3fb61b 100644 (file)
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1660,8 +1660,10 @@ nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp,
        if (!dold->d_inode)
                goto out_drop_write;
        host_err = nfsd_break_lease(dold->d_inode);
-       if (host_err)
+       if (host_err) {
+               err = nfserrno(host_err);
                goto out_drop_write;
+       }
        host_err = vfs_link(dold, dirp, dnew);
        if (!host_err) {
                err = nfserrno(commit_metadata(ffhp));