diff options
| -rw-r--r-- | fs/nfs/file.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 05ef7dcc5f21..23e5f0ea5c83 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -546,13 +546,25 @@ static int nfs_launder_page(struct page *page) static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file, sector_t *span) { + int ret; + struct rpc_clnt *clnt = NFS_CLIENT(file->f_mapping->host); + *span = sis->pages; - return xs_swapper(NFS_CLIENT(file->f_mapping->host)->cl_xprt, 1); + + rcu_read_lock(); + ret = xs_swapper(rcu_dereference(clnt->cl_xprt), 1); + rcu_read_unlock(); + + return ret; } static void nfs_swap_deactivate(struct file *file) { - xs_swapper(NFS_CLIENT(file->f_mapping->host)->cl_xprt, 0); + struct rpc_clnt *clnt = NFS_CLIENT(file->f_mapping->host); + + rcu_read_lock(); + xs_swapper(rcu_dereference(clnt->cl_xprt), 0); + rcu_read_unlock(); } #endif |