LU-1581 utils: mkfs warn about missing --index

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

diff --git a/lustre/utils/mkfs_lustre.c b/lustre/utils/mkfs_lustre.c
index fee1d03..483f512 100644 (file)
--- a/lustre/utils/mkfs_lustre.c
+++ b/lustre/utils/mkfs_lustre.c
@@ -626,6 +626,12 @@ int main(int argc, char *const argv[])
                 ret = EINVAL;
                 goto out;
         }
+
+       if (IS_OST(ldd) && (mop.mo_ldd.ldd_flags & LDD_F_NEED_INDEX))
+               fprintf(stderr, "warning: %s: for Lustre 2.4 and later, the "
+                       "target index must be specified with --index\n",
+                       mop.mo_device);
+
 #if 0
         /*
          * Comment out these 2 checks temporarily, since for multi-MDSes