Thread (35 messages) 35 messages, 7 authors, 2020-07-12

Re: [PATCH v5 01/16] md/raid456: covert macro define of STRIPE_* as members of struct r5conf

From: Yufen Yu <hidden>
Date: 2020-07-08 02:22:33


On 2020/7/6 17:09, Guoqing Jiang wrote:
On 7/2/20 2:06 PM, Yufen Yu wrote:
quoted
@@ -2509,10 +2532,11 @@ static void raid5_end_read_request(struct bio * bi)
               */
              pr_info_ratelimited(
                  "md/raid:%s: read error corrected (%lu sectors at %llu on %s)\n",
-                mdname(conf->mddev), STRIPE_SECTORS,
+                mdname(conf->mddev),
+                conf->stripe_sectors,
The conf->stripe_sectors is printed with %lu format.
quoted
ot allow a suitable chunk size */
          return ERR_PTR(-EINVAL);
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index f90e0704bed9..e36cf71e8465 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -472,32 +472,12 @@ struct disk_info {
   */
  #define NR_STRIPES        256
-#define STRIPE_SIZE        PAGE_SIZE
-#define STRIPE_SHIFT        (PAGE_SHIFT - 9)
-#define STRIPE_SECTORS        (STRIPE_SIZE>>9)
  #define    IO_THRESHOLD        1
  #define BYPASS_THRESHOLD    1
  #define NR_HASH            (PAGE_SIZE / sizeof(struct hlist_head))
  #define HASH_MASK        (NR_HASH - 1)
  #define MAX_STRIPE_BATCH    8
[...]
quoted
    return NULL;
-}
-
  /* NOTE NR_STRIPE_HASH_LOCKS must remain below 64.
   * This is because we sometimes take all the spinlocks
   * and creating that much locking depth can cause
@@ -574,6 +554,9 @@ struct r5conf {
      int            raid_disks;
      int            max_nr_stripes;
      int            min_nr_stripes;
+    unsigned int    stripe_size;
+    unsigned int    stripe_shift;
+    unsigned int    stripe_sectors;
So you need to define it with "unsigned long".
Yes, I will revise it.

Thanks,
Yufen
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