From 61ca48ff382b56894ec4b6fa9aeba60c278512b1 Mon Sep 17 00:00:00 2001
From: George Melikov <mail@gmelikov.ru>
Date: Wed, 18 Jan 2017 02:18:59 +0300
Subject: [PATCH] OpenZFS 7256 - low probability race in zfs_get_data

Authored by: Andriy Gapon <andriy.gapon@clusterhq.com>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: George Melikov <mail@gmelikov.ru>

OpenZFS-issue: https://www.illumos.org/issues/7256
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/6ed18a8
Closes #5601
---
 module/zfs/zfs_vnops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/zfs/zfs_vnops.c b/module/zfs/zfs_vnops.c
index 3509238d1..7344c9a80 100644
--- a/module/zfs/zfs_vnops.c
+++ b/module/zfs/zfs_vnops.c
@@ -1086,7 +1086,7 @@ zfs_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio)
 
 			error = dmu_sync(zio, lr->lr_common.lrc_txg,
 			    zfs_get_done, zgd);
-			ASSERT(error || lr->lr_length <= zp->z_blksz);
+			ASSERT(error || lr->lr_length <= size);
 
 			/*
 			 * On success, we need to wait for the write I/O
-- 
2.40.0