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authorMatthew Ahrens <[email protected]>2013-07-05 15:37:16 -0400
committerBrian Behlendorf <[email protected]>2013-10-31 14:57:51 -0700
commitd1fada1e6d953e32de4080bd366df17c640de191 (patch)
tree4a2746fe6781552a756c06d03f0ba54d9f586ca0 /module/zfs
parent24a64651b4163d47b1187821152d762e9a263d5a (diff)
Illumos #3603, #3604: bobj improvements
3603 panic from bpobj_enqueue_subobj() 3604 zdb should print bpobjs more verbosely 3871 GCC 4.5.3 does not like issue 3604 patch Reviewed by: Henrik Mattson <[email protected]> Reviewed by: Adam Leventhal <[email protected]> Reviewed by: Christopher Siden <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Garrett D'Amore <[email protected]> Approved by: Dan McDonald <[email protected]> References: https://www.illumos.org/issues/3603 https://www.illumos.org/issues/3604 https://www.illumos.org/issues/3871 illumos/illumos-gate@d04756377ddd1cf28ebcf652541094e17b03c889 Ported-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #1775 Note that the patch from Illumos issue 3871 is not accepted into Illumos at the time of this writing. It is something that I wrote when porting this. Documentation is in the Illumos issue.
Diffstat (limited to 'module/zfs')
-rw-r--r--module/zfs/bpobj.c8
-rw-r--r--module/zfs/dmu.c2
2 files changed, 8 insertions, 2 deletions
diff --git a/module/zfs/bpobj.c b/module/zfs/bpobj.c
index 4ba9f8002..5787a6fb4 100644
--- a/module/zfs/bpobj.c
+++ b/module/zfs/bpobj.c
@@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2013 by Delphix. All rights reserved.
*/
#include <sys/bpobj.h>
@@ -418,6 +418,12 @@ bpobj_enqueue_subobj(bpobj_t *bpo, uint64_t subobj, dmu_tx_t *tx)
VERIFY3U(0, ==, dmu_buf_hold(bpo->bpo_os, subsubobjs,
0, FTAG, &subdb, 0));
+ /*
+ * Make sure that we are not asking dmu_write()
+ * to write more data than we have in our buffer.
+ */
+ VERIFY3U(subdb->db_size, >=,
+ numsubsub * sizeof (subobj));
dmu_write(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs,
bpo->bpo_phys->bpo_num_subobjs * sizeof (subobj),
numsubsub * sizeof (subobj), subdb->db_data, tx);
diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c
index 8ef74514a..afa8719b1 100644
--- a/module/zfs/dmu.c
+++ b/module/zfs/dmu.c
@@ -1829,7 +1829,7 @@ __dmu_object_info_from_dnode(dnode_t *dn, dmu_object_info_t *doi)
doi->doi_checksum = dn->dn_checksum;
doi->doi_compress = dn->dn_compress;
doi->doi_physical_blocks_512 = (DN_USED_BYTES(dnp) + 256) >> 9;
- doi->doi_max_offset = (dnp->dn_maxblkid + 1) * dn->dn_datablksz;
+ doi->doi_max_offset = (dn->dn_maxblkid + 1) * dn->dn_datablksz;
doi->doi_fill_count = 0;
for (i = 0; i < dnp->dn_nblkptr; i++)
doi->doi_fill_count += dnp->dn_blkptr[i].blk_fill;