Date: Thu, 3 Jan 2019 22:49:11 +0000 (UTC) From: Matt Macy <mmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342747 - head/sys/cddl/boot/zfs Message-ID: <201901032249.x03MnBtG050420@repo.freebsd.org>
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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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