diff options
| -rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayoutdev.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c index 457cfeb1d5c1..8ca9cc665561 100644 --- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c +++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c @@ -119,7 +119,13 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev, if (ds_versions[i].wsize > NFS_MAX_FILE_IO_SIZE) ds_versions[i].wsize = NFS_MAX_FILE_IO_SIZE; - if (ds_versions[i].version != 3 || ds_versions[i].minor_version != 0) { + /* + * check for valid major/minor combination. + * currently we support dataserver which talk: + * v3, v4.0, v4.1, v4.2 + */ + if (!((ds_versions[i].version == 3 && ds_versions[i].minor_version == 0) || + (ds_versions[i].version == 4 && ds_versions[i].minor_version < 3))) { dprintk("%s: [%d] unsupported ds version %d-%d\n", __func__, i, ds_versions[i].version, ds_versions[i].minor_version); |