| Message ID | 1426759977-5164-1-git-send-email-luis.henriques@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 3ed1be9aade3..2ea3537b8bde 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -161,8 +161,8 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, &delegation->flags); NFS_I(inode)->delegation_state = delegation->type; spin_unlock(&delegation->lock); - put_rpccred(oldcred); rcu_read_unlock(); + put_rpccred(oldcred); trace_nfs4_reclaim_delegation(inode, res->delegation_type); } else { /* We appear to have raced with a delegation return. */
This is a note to let you know that I have just added a patch titled NFSv4: Don't call put_rpccred() under the rcu_read_lock() to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.16.y-queue This patch is scheduled to be released in version 3.16.7-ckt9. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.16.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Luis ------ From 4f141c10184dfc3fc2a3327e60900c1c9ba0ec93 Mon Sep 17 00:00:00 2001 From: Trond Myklebust <trond.myklebust@primarydata.com> Date: Thu, 26 Feb 2015 12:54:46 -0500 Subject: NFSv4: Don't call put_rpccred() under the rcu_read_lock() commit 7c0af9ffb7bb4e5355470fa60b3eb711ddf226fa upstream. put_rpccred() can sleep. Fixes: 8f649c3762547 ("NFSv4: Fix the locking in nfs_inode_reclaim_delegation()") Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- fs/nfs/delegation.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)