Revert "LU-8066 llite: replace ll_process_config with class_modify_config"

[fs/lustre-release.git] / lustre / llite / llite_lib.c

diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index 74779e7..a56ffb5 100644 (file)
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -2456,6 +2456,32 @@ out_statfs:
        return rc;
 }
 
+int ll_process_config(struct lustre_cfg *lcfg)
+{
+       struct super_block *sb;
+       unsigned long x;
+       int rc = 0;
+       char *ptr;
+
+       /* The instance name contains the sb: lustre-client-aacfe000 */
+       ptr = strrchr(lustre_cfg_string(lcfg, 0), '-');
+       if (!ptr || !*(++ptr))
+               return -EINVAL;
+       if (sscanf(ptr, "%lx", &x) != 1)
+               return -EINVAL;
+       sb = (struct super_block *)x;
+       /* This better be a real Lustre superblock! */
+       LASSERT(s2lsi(sb)->lsi_lmd->lmd_magic == LMD_MAGIC);
+
+       /* Note we have not called client_common_fill_super yet, so
+          proc fns must be able to handle that! */
+       rc = class_process_proc_param(PARAM_LLITE, lprocfs_llite_obd_vars,
+                                     lcfg, sb);
+       if (rc > 0)
+               rc = 0;
+       return rc;
+}
+
 /* this function prepares md_op_data hint for passing it down to MD stack. */
 struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data,
                                      struct inode *i1, struct inode *i2,