[PATCH 1/1] mounts.nfs: v2 and v3 background mounts should retry when server is down.

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The point of background mounts is to have the mount
retried if the mount fails. This patch allows the v2/v3
background mount to proceed in the case when the server
is down by not making EOPNOTSUPP a permanent error.

Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
---
 utils/mount/stropts.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c
index d52e21a..e09aa7c 100644
--- a/utils/mount/stropts.c
+++ b/utils/mount/stropts.c
@@ -911,7 +911,8 @@ static int nfsmount_parent(struct nfsmount_info *mi)
 	if (nfs_try_mount(mi))
 		return EX_SUCCESS;
 
-	if (nfs_is_permanent_error(errno)) {
+	/* retry background mounts when the server is not up */
+	if (nfs_is_permanent_error(errno) && errno != EOPNOTSUPP) {
 		mount_error(mi->spec, mi->node, errno);
 		return EX_FAIL;
 	}
@@ -946,7 +947,8 @@ static int nfsmount_child(struct nfsmount_info *mi)
 		if (nfs_try_mount(mi))
 			return EX_SUCCESS;
 
-		if (nfs_is_permanent_error(errno))
+		/* retry background mounts when the server is not up */
+		if (nfs_is_permanent_error(errno) && errno != EOPNOTSUPP)
 			break;
 
 		if (time(NULL) > timeout)
-- 
1.7.7.6

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