* Use is subject to license terms.
*/
/*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
EXIT;
}
-/* Update the maximum observed easize and cookiesize. The default easize
- * and cookiesize is initialized to the minimum value but allowed to grow
- * up to a single page in size if required to handle the common case.
+/**
+ * Update the maximum possible easize.
+ *
+ * This value is learned from ptlrpc replies sent by the MDT. The
+ * default easize is initialized to the minimum value but allowed to
+ * grow up to a single page in size if required to handle the common
+ * case.
+ *
+ * \see client_obd::cl_default_mds_easize
+ *
+ * \param[in] exp export for MDC device
+ * \param[in] body body of ptlrpc reply from MDT
+ *
*/
static inline void mdc_update_max_ea_from_body(struct obd_export *exp,
struct mdt_body *body)
{
if (body->mbo_valid & OBD_MD_FLMODEASIZE) {
struct client_obd *cli = &exp->exp_obd->u.cli;
+ __u32 def_easize;
- if (cli->cl_max_mds_easize < body->mbo_max_mdsize) {
+ if (cli->cl_max_mds_easize < body->mbo_max_mdsize)
cli->cl_max_mds_easize = body->mbo_max_mdsize;
- cli->cl_default_mds_easize =
- min_t(__u32, body->mbo_max_mdsize,
- PAGE_CACHE_SIZE);
- }
- if (cli->cl_max_mds_cookiesize < body->mbo_max_cookiesize) {
- cli->cl_max_mds_cookiesize = body->mbo_max_cookiesize;
- cli->cl_default_mds_cookiesize =
- min_t(__u32, body->mbo_max_cookiesize,
- PAGE_CACHE_SIZE);
- }
+
+ def_easize = min_t(__u32, body->mbo_max_mdsize,
+ OBD_MAX_DEFAULT_EA_SIZE);
+ cli->cl_default_mds_easize = def_easize;
}
}