pnfs: add set-clear layoutdriver interface
To allow layout driver to issue getdevicelist at mount time, and clean up
at umount time.
[fixup non NFS_V4_1 set_pnfs_layoutdriver definition]
[pnfs: pass mntfh down the init_pnfs path]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 19ea7d9..a9b1848 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -904,7 +904,9 @@
/*
* Load up the server record from information gained in an fsinfo record
*/
-static void nfs_server_set_fsinfo(struct nfs_server *server, struct nfs_fsinfo *fsinfo)
+static void nfs_server_set_fsinfo(struct nfs_server *server,
+ struct nfs_fh *mntfh,
+ struct nfs_fsinfo *fsinfo)
{
unsigned long max_rpc_payload;
@@ -934,7 +936,7 @@
if (server->wsize > NFS_MAX_FILE_IO_SIZE)
server->wsize = NFS_MAX_FILE_IO_SIZE;
server->wpages = (server->wsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
- set_pnfs_layoutdriver(server, fsinfo->layouttype);
+ set_pnfs_layoutdriver(server, mntfh, fsinfo->layouttype);
server->wtmult = nfs_block_bits(fsinfo->wtmult, NULL);
@@ -980,7 +982,7 @@
if (error < 0)
goto out_error;
- nfs_server_set_fsinfo(server, &fsinfo);
+ nfs_server_set_fsinfo(server, mntfh, &fsinfo);
/* Get some general file system info */
if (server->namelen == 0) {