LU-10808 lod: align wrong DoM stripe values with defaults

[fs/lustre-release.git] / lustre / lod / lproc_lod.c

diff --git a/lustre/lod/lproc_lod.c b/lustre/lod/lproc_lod.c
index b7621f1..6749b0d 100644 (file)
--- a/lustre/lod/lproc_lod.c
+++ b/lustre/lod/lproc_lod.c
@@ -99,8 +99,19 @@ lod_dom_stripesize_seq_write(struct file *file, const char __user *buffer,
        /* 1GB is the limit */
        if (val > (1ULL << 30))
                return -ERANGE;
-       else if (val > 0)
-               lod_fix_desc_stripe_size(&val);
+       else if (val > 0) {
+               if (val < LOV_MIN_STRIPE_SIZE) {
+                       LCONSOLE_INFO("Increasing provided stripe size to "
+                                     "a minimum value %u\n",
+                                     LOV_MIN_STRIPE_SIZE);
+                       val = LOV_MIN_STRIPE_SIZE;
+               } else if (val & (LOV_MIN_STRIPE_SIZE - 1)) {
+                       val &= ~(LOV_MIN_STRIPE_SIZE - 1);
+                       LCONSOLE_WARN("Changing provided stripe size to %llu "
+                                     "(a multiple of minimum %u)\n",
+                                     val, LOV_MIN_STRIPE_SIZE);
+               }
+       }
 
        lod->lod_dom_max_stripesize = val;