From: Trond Myklebust <trond.mykleb...@primarydata.com>
3.4.108-rc1 review patch. If anyone has any objections, please let me know.
------------------
commit 7c0af9ffb7bb4e5355470fa60b3eb711ddf226fa upstream.
put_rpccred() can sleep.
Fixes: 8f649c3762547 ("NFSv4: Fix the locking in
nfs_inode_reclaim_delegation()")
Signed-off-by: Trond Myklebust <trond.mykleb...@primarydata.com>
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lize...@huawei.com>
---
fs/nfs/delegation.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 16d16e5..62261de 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -148,8 +148,8 @@ 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);
} else {
/* We appear to have raced with a delegation return. */
spin_unlock(&delegation->lock);
--
1.9.1
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