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From 5d3dc3fb72518a4c191e3a014622b74365eb3a74 Mon Sep 17 00:00:00 2001
From: Mike Leddy <mike.leddy@gmail.com>
Date: Thu, 4 Jul 2013 01:02:05 -0300
Subject: [PATCH] Avoid abort() in vn_rdwr(): libzpool/kernel.c
Make sure that buffer is aligned to 512 bytes on linux so that
pread call combined with O_DIRECT does not return EINVAL.
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1570
---
cmd/zdb/zdb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index 936974b..a2b6bfe 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -2844,7 +2844,7 @@
psize = size;
lsize = size;
- pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
+ pbuf = umem_alloc_aligned(SPA_MAXBLOCKSIZE, 512, UMEM_NOFAIL);
lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
BP_ZERO(bp);
--
1.8.1.6
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