Author: mmacy
Date: Thu Jan 3 22:49:11 2019
New Revision: 342747
URL: https://svnweb.freebsd.org/changeset/base/342747
Log:
zfsboot: support newer ZFS versions
declare v3 objset size/layout to fix userboot and possibly other loader issues
- fix for userboot assertion failure in zfs_dev_close in free due to out of
bounds write
- fix for zfs_alloc / zfs_free mismatch assertion failure when booting GPT on
BIOS
Modified:
head/sys/cddl/boot/zfs/zfsimpl.h
Modified: head/sys/cddl/boot/zfs/zfsimpl.h
==============================================================================
--- head/sys/cddl/boot/zfs/zfsimpl.h Thu Jan 3 22:48:59 2019
(r342746)
+++ head/sys/cddl/boot/zfs/zfsimpl.h Thu Jan 3 22:49:11 2019
(r342747)
@@ -1121,6 +1121,8 @@ typedef struct sa_hdr_phys {
#define SA_PARENT_OFFSET 40
#define SA_SYMLINK_OFFSET 160
+#define ZIO_OBJSET_MAC_LEN 32
+
/*
* Intent log header - this on disk structure holds fields to manage
* the log. All fields are 64 bit to easily handle cross architectures.
@@ -1133,17 +1135,24 @@ typedef struct zil_header {
uint64_t zh_pad[5];
} zil_header_t;
-#define OBJSET_PHYS_SIZE 2048
+#define OBJSET_PHYS_SIZE_V2 2048
+#define OBJSET_PHYS_SIZE_V3 4096
typedef struct objset_phys {
dnode_phys_t os_meta_dnode;
zil_header_t os_zil_header;
uint64_t os_type;
uint64_t os_flags;
- char os_pad[OBJSET_PHYS_SIZE - sizeof (dnode_phys_t)*3 -
- sizeof (zil_header_t) - sizeof (uint64_t)*2];
+ uint8_t os_portable_mac[ZIO_OBJSET_MAC_LEN];
+ uint8_t os_local_mac[ZIO_OBJSET_MAC_LEN];
+ char os_pad0[OBJSET_PHYS_SIZE_V2 - sizeof (dnode_phys_t)*3 -
+ sizeof (zil_header_t) - sizeof (uint64_t)*2 -
+ 2*ZIO_OBJSET_MAC_LEN];
dnode_phys_t os_userused_dnode;
dnode_phys_t os_groupused_dnode;
+ dnode_phys_t os_projectused_dnode;
+ char os_pad1[OBJSET_PHYS_SIZE_V3 - OBJSET_PHYS_SIZE_V2 -
+ sizeof (dnode_phys_t)];
} objset_phys_t;
typedef struct dsl_dir_phys {
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