[PATCH 006 of 18] knfsd: nfsd4: handling more nfsd_cross_mnt errors in nfsd4 readdir

[NeilBrown]

From: J.Bruce Fields <bfields@xxxxxxxxxxxx>

This patch on its own causes no change in behavior, since nfsd_cross_mnt()
only returns -EAGAIN; but in the future I'd like it to also be able to
return -ETIMEDOUT, so we may as well handle any possible error here.

Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
Signed-off-by: Neil Brown <neilb@xxxxxxx>

### Diffstat output
 ./fs/nfsd/nfs4xdr.c |   14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff .prev/fs/nfsd/nfs4xdr.c ./fs/nfsd/nfs4xdr.c
--- .prev/fs/nfsd/nfs4xdr.c	2006-12-08 12:07:28.000000000 +1100
+++ ./fs/nfsd/nfs4xdr.c	2006-12-08 12:08:31.000000000 +1100
@@ -1845,15 +1845,11 @@ nfsd4_encode_dirent_fattr(struct nfsd4_r
 
 	exp_get(exp);
 	if (d_mountpoint(dentry)) {
-		if (nfsd_cross_mnt(cd->rd_rqstp, &dentry, &exp)) {
-		/*
-		 * -EAGAIN is the only error returned from
-		 * nfsd_cross_mnt() and it indicates that an
-		 * up-call has  been initiated to fill in the export
-		 * options on exp.  When the answer comes back,
-		 * this call will be retried.
-		 */
-			nfserr = nfserr_dropit;
+		int err;
+
+		err = nfsd_cross_mnt(cd->rd_rqstp, &dentry, &exp);
+		if (err) {
+			nfserr = nfserrno(err);
 			goto out_put;
 		}
 
-
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