This is a note to let you know that I've just added the patch titled
NFSv4: Handle NFS4ERR_DELAY and NFS4ERR_GRACE in nfs4_open_delegation_recall
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfsv4-handle-nfs4err_delay-and-nfs4err_grace-in-nfs4_open_delegation_recall.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 8b6cc4d6f841d31f72fe7478453759166d366274 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <[email protected]>
Date: Mon, 1 Apr 2013 15:34:05 -0400
Subject: NFSv4: Handle NFS4ERR_DELAY and NFS4ERR_GRACE in
nfs4_open_delegation_recall
From: Trond Myklebust <[email protected]>
commit 8b6cc4d6f841d31f72fe7478453759166d366274 upstream.
A server shouldn't normally return NFS4ERR_GRACE if the client holds a
delegation, since no conflicting lock reclaims can be granted, however
the spec does not require the server to grant the open in this
instance
Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/nfs/nfs4proc.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1335,6 +1335,12 @@ int nfs4_open_delegation_recall(struct n
case -ENOMEM:
err = 0;
goto out;
+ case -NFS4ERR_DELAY:
+ case -NFS4ERR_GRACE:
+ set_bit(NFS_DELEGATED_STATE, &state->flags);
+ ssleep(1);
+ err = -EAGAIN;
+ goto out;
}
err = nfs4_handle_exception(server, err, &exception);
} while (exception.retry);
Patches currently in stable-queue which might be from
[email protected] are
queue-3.0/nfsv4-handle-nfs4err_delay-and-nfs4err_grace-in-nfs4_open_delegation_recall.patch
queue-3.0/nfsv4-handle-nfs4err_delay-and-nfs4err_grace-in-nfs4_lock_delegation_recall.patch
queue-3.0/lockd-ensure-that-nlmclnt_block-resets-block-b_status-after-a-server-reboot.patch
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