aoe: identify source of runt AoE packets

This change only affects experimental AoE storage networks.

It modifies the console message about runt packets detected so that the
AoE major and minor addresses of the AoE target that generated the runt
are mentioned.

Signed-off-by: Ed Cashin <ecashin@coraid.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index abf4ad2..25ef5c0 100644 (file)
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -1217,8 +1217,10 @@ noskb:           if (buf)
        case ATA_CMD_PIO_READ:
        case ATA_CMD_PIO_READ_EXT:
                if (skb->len < n) {
-                       pr_err("aoe: runt data size in read.  skb->len=%d need=%ld\n",
-                               skb->len, n);
+                       pr_err("%s e%ld.%d.  skb->len=%d need=%ld\n",
+                               "aoe: runt data size in read from",
+                               (long) d->aoemajor, d->aoeminor,
+                              skb->len, n);
                        clear_bit(BIO_UPTODATE, &buf->bio->bi_flags);
                        break;
                }
@@ -1233,7 +1235,9 @@ noskb:            if (buf)
                break;
        case ATA_CMD_ID_ATA:
                if (skb->len < 512) {
-                       pr_info("aoe: runt data size in ataid.  skb->len=%d\n",
+                       pr_info("%s e%ld.%d.  skb->len=%d need=512\n",
+                               "aoe: runt data size in ataid from",
+                               (long) d->aoemajor, d->aoeminor,
                                skb->len);
                        break;
                }