PSARC 2006/077 zpool clear

PSARC 2006/139 FMA for ZFS
6284889 arc should replace the znode cache
6333006 DMU & DSL should not panic upon I/O error
6333092 concurrent reads to a file not scaling with number of readers
6338081 ZFS/FMA phase 1
6338386 need persistent error log
6341326 i/o error causes arc buf hash table corruption
6341639 zfs backup/restore should compute/verify checksum of backup stream
6348002 out of space due to changing properties
6354724 inaccurate error message from zfs restore
6354872 dmu_sync() blows predictive accounting
6355416 zpool scrubbing consumes all memory, system hung
6363995 df should only load libzfs when it encounters a ZFS filesystem
6366320 zfs backup/restore doesn't like signals
6368892 mount -m support needed for legacy mounts
6368902 boot archive fstat support needed for ZFS Mountroot
6369424 BFU complains when bfu'ing a ZFS root filesystem
6374062 mountroot support needed for ZFS
6376356 dirtying dbuf obj=43 lvl=0 blkid=0 but not tx_held
6378391 unused members of dmu_objset_stats_t
6378392 clean up zfs_cmd_t structure
6378685 buf_init should allocate its hash table more carefully
6378976 ziltest should be a first class citizen
6381086 zdb segfaults if there is a spa deferred-free bplist
6381203 deadlock due to i/o while assigning (tc_lock held)
6381209 freed space is not immediately available
6381344 'zpool clear'
6381345 FAULTED devices should really be UNAVAIL
6381346 import should mark devices as persistently unavailable
6383272 recursive mutex_enter() during log replay with zfs root
6386326 origin property is not displayed
6386354 libzfs does too much in its _init section, calls exit(1)
6386624 zpool should not complain about non-existent devices from libdiskmgt
6386910 spa needs to be i/o error hardened
6387735 need a mechanism to inject faults into ZFS
6387736 internal ZFS utilities should be placed in an ON-private package
6389928 libzfs should ship a lint library
6390609 malformed vdev config panics on zpool_create()
6390677 version number checking makes upgrades challenging
6390713 ztest hangs in zil_suspend()
6391873 metadata compression should be turned back on
6392113 ztest sometimes reports leaked blocks because ZIL isn't resilvered
6393004 minor memory leak in unique_insert()

1 files changed, 11 insertions, 5 deletions

diff --git a/usr/src/uts/common/os/modsysfile.c b/usr/src/uts/common/os/modsysfile.c
index 7ffcf66d10..0e36f3e2cc 100644
--- a/usr/src/uts/common/os/modsysfile.c
+++ b/usr/src/uts/common/os/modsysfile.c
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -20,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -73,6 +72,7 @@ static vmem_t *mod_sysfile_arena;	/* parser memory */
 
 char obp_bootpath[BO_MAXOBJNAME];	/* bootpath from obp */
 char svm_bootpath[BO_MAXOBJNAME];	/* bootpath redirected via rootdev */
+char zfs_bootpath[BO_MAXOBJNAME];	/* zfs bootpath, set via zfsroot */
 
 #if defined(_PSM_MODULES)
 
@@ -489,6 +489,8 @@ static struct modcmd modcmd[] = {
 	{ "set32",	MOD_SET32	},
 	{ "SET64",	MOD_SET64	},
 	{ "set64",	MOD_SET64	},
+	{ "ZFSROOT", 	MOD_ZFSROOT	},
+	{ "zfsroot", 	MOD_ZFSROOT	},
 	{ NULL,		MOD_UNKNOWN	}
 };
 
@@ -528,6 +530,7 @@ do_sysfile_cmd(struct _buf *file, const char *cmd)
 		 */
 	case MOD_ROOTFS:
 	case MOD_SWAPFS:
+	case MOD_ZFSROOT:
 		if ((token = kobj_lex(file, tok1, sizeof (tok1))) == COLON) {
 			token = kobj_lex(file, tok1, sizeof (tok1));
 		} else {
@@ -1520,7 +1523,10 @@ setparams()
 			(void) copystr(sysp->sys_ptr, bootobjp->bo_fstype,
 			    BO_MAXOBJNAME, NULL);
 			break;
-
+		case MOD_ZFSROOT:
+			(void) copystr(sysp->sys_ptr, zfs_bootpath,
+			    BO_MAXOBJNAME, NULL);
+			break;
 		default:
 			break;
 		}