LU-7990 clio: revise readahead to support 16MB IO

[fs/lustre-release.git] / lustre / ldlm / ldlm_lib.c

diff --git a/lustre/ldlm/ldlm_lib.c b/lustre/ldlm/ldlm_lib.c
index 50ed4c3..2a92a17 100644 (file)
--- a/lustre/ldlm/ldlm_lib.c
+++ b/lustre/ldlm/ldlm_lib.c
@@ -397,12 +397,9 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg)
 #endif
        atomic_set(&cli->cl_resends, OSC_DEFAULT_RESENDS);
 
-       /* This value may be reduced at connect time in
-        * ptlrpc_connect_interpret() . We initialize it to only
-        * 1MB until we know what the performance looks like.
-        * In the future this should likely be increased. LU-1431 */
-       cli->cl_max_pages_per_rpc = min_t(int, PTLRPC_MAX_BRW_PAGES,
-                                         LNET_MTU >> PAGE_CACHE_SHIFT);
+       /* Set it to possible maximum size. It may be reduced by ocd_brw_size
+        * from OFD after connecting. */
+       cli->cl_max_pages_per_rpc = PTLRPC_MAX_BRW_PAGES;
 
        /* set cl_chunkbits default value to PAGE_CACHE_SHIFT,
         * it will be updated at OSC connection time. */