LU-4843 mdt: disallow old clients access striped dir

[fs/lustre-release.git] / lustre / utils / lfs.c

diff --git a/lustre/utils/lfs.c b/lustre/utils/lfs.c
index 3e42beb..cb684a1 100644 (file)
--- a/lustre/utils/lfs.c
+++ b/lustre/utils/lfs.c
@@ -156,7 +156,9 @@ command_t cmdlist[] = {
         "[--default_stripe|-D ] <dir>\n"
         "\tstripe_count: stripe count of the striped directory\n"
         "\tmdt_index:  MDT index of first stripe\n"
         "[--default_stripe|-D ] <dir>\n"
         "\tstripe_count: stripe count of the striped directory\n"
         "\tmdt_index:  MDT index of first stripe\n"

-        "\thash_type:  hash type of the striped directory\n"
+        "\thash_type:  hash type of the striped directory. Hash types:\n"
+        "      -t fnv_1a_64 FNV-1a hash algorithm(default)\n"
+        "      -t all_char  sum of characters % MDT_COUNT. (not recommended)\n"

         "\tdefault_stripe: set default dirstripe of the directory\n"},
        {"getdirstripe", lfs_getdirstripe, 0,
         "To list the striping info for a given directory\n"
         "\tdefault_stripe: set default dirstripe of the directory\n"},
        {"getdirstripe", lfs_getdirstripe, 0,
         "To list the striping info for a given directory\n"