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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-17 22:57:37 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-31 19:28:08 -0500
commit961a828df64979d2a9faeeeee043391670a193b9 (patch)
tree4b7ddaf1a19c589e3c8ec96b6c732faa507f2899 /fs/nfs/nfs4_fs.h
parent2aeb98f498ce37742b743080fdc6c8cf64053599 (diff)
downloadlinux-stericsson-961a828df64979d2a9faeeeee043391670a193b9.tar.gz
SUNRPC: Fix potential races in xprt_lock_write_next()
We have to ensure that the wake up from the waitqueue and the assignment of xprt->snd_task are atomic. We can do this by assigning the snd_task while under the waitqueue spinlock. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
-rw-r--r--fs/nfs/nfs4_fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index df3d02c3e8cb..c45c21a5470f 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -222,6 +222,7 @@ static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *ser
return server->nfs_client->cl_session;
}
+extern bool nfs4_set_task_privileged(struct rpc_task *task, void *dummy);
extern int nfs4_setup_sequence(const struct nfs_server *server,
struct nfs4_sequence_args *args, struct nfs4_sequence_res *res,
struct rpc_task *task);