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NFS: Client mounts hang when exported directory do not exist

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This patch fixes a regression that was introduced by the string based mounts.

nfs_mount() statically returns -EACCES for every error returned
by the remote mounted. This is incorrect because -EACCES is
an non-fatal error to the mount.nfs command. This error causes
mount.nfs to retry the mount even in the case when the exported
directory does not exist.

This patch maps the errors returned by the remote mountd into
valid errno values, exactly how it was done pre-string based
mounts. By returning the correct errno enables mount.nfs
to do the right thing.

Signed-off-by: Steve Dickson <steved@redhat.com>
[Trond.Myklebust@netapp.com: nfs_stat_to_errno() now correctly returns
 negative errors, so remove the sign change.]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Steve Dickson 2008-04-11 20:03:06 -04:00 committed by Trond Myklebust
parent 96165e2b7c
commit 8491945f11
1 changed files with 2 additions and 1 deletions
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3
fs/nfs/mount_clnt.c
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@ -14,6 +14,7 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/sched.h>
#include <linux/nfs_fs.h>
#include "internal.h"
#ifdef RPC_DEBUG
# define NFSDBG_FACILITY NFSDBG_MOUNT
@ -98,7 +99,7 @@ int nfs_mount(struct sockaddr *addr, size_t len, char *hostname, char *path,
out_mnt_err:
dprintk("NFS: MNT server returned result %d\n", result.status);
status = -EACCES;
status = nfs_stat_to_errno(result.status);
goto out;
}