Author: avg
Date: Wed Jun 17 11:47:06 2015
New Revision: 284509
URL: https://svnweb.freebsd.org/changeset/base/284509
Log:
MFC r284025,284032: dnode_read: handle hole blocks in zfs boot code
PR: 199804
Modified:
stable/10/sys/boot/zfs/zfsimpl.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/boot/zfs/zfsimpl.c
==============================================================================
--- stable/10/sys/boot/zfs/zfsimpl.c Wed Jun 17 10:20:59 2015
(r284508)
+++ stable/10/sys/boot/zfs/zfsimpl.c Wed Jun 17 11:47:06 2015
(r284509)
@@ -1255,6 +1255,10 @@ dnode_read(const spa_t *spa, const dnode
ibn = bn >> ((nlevels - i - 1) * ibshift);
ibn &= ((1 << ibshift) - 1);
bp = indbp[ibn];
+ if (BP_IS_HOLE(&bp)) {
+ memset(dnode_cache_buf, 0, bsize);
+ break;
+ }
rc = zio_read(spa, &bp, dnode_cache_buf);
if (rc)
return (rc);
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