Tag zfs-2.1.4

META file and changelog updated.

Signed-off-by: Tony Hutter <hutter2@llnl.gov>

META

@@ -1,10 +1,10 @@
 Meta:          1
 Name:          zfs
 Branch:        1.0
-Version:       2.1.3
+Version:       2.1.4
 Release:       1
 Release-Tags:  relext
 License:       CDDL
 Author:        OpenZFS
-Linux-Maximum: 5.16
+Linux-Maximum: 5.17
 Linux-Minimum: 3.10

cmd/zed/agents/zfs_mod.c

@@ -183,14 +183,14 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
 	nvlist_t *nvroot, *newvd;
 	pendingdev_t *device;
 	uint64_t wholedisk = 0ULL;
-	uint64_t offline = 0ULL;
+	uint64_t offline = 0ULL, faulted = 0ULL;
 	uint64_t guid = 0ULL;
 	char *physpath = NULL, *new_devid = NULL, *enc_sysfs_path = NULL;
 	char rawpath[PATH_MAX], fullpath[PATH_MAX];
 	char devpath[PATH_MAX];
 	int ret;
-	boolean_t is_dm = B_FALSE;
 	boolean_t is_sd = B_FALSE;
+	boolean_t is_mpath_wholedisk = B_FALSE;
 	uint_t c;
 	vdev_stat_t *vs;
 
@@ -211,15 +211,73 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
 	    &enc_sysfs_path);
 	(void) nvlist_lookup_uint64(vdev, ZPOOL_CONFIG_WHOLE_DISK, &wholedisk);
 	(void) nvlist_lookup_uint64(vdev, ZPOOL_CONFIG_OFFLINE, &offline);
+	(void) nvlist_lookup_uint64(vdev, ZPOOL_CONFIG_FAULTED, &faulted);
+
 	(void) nvlist_lookup_uint64(vdev, ZPOOL_CONFIG_GUID, &guid);
 
-	if (offline)
-		return;  /* don't intervene if it was taken offline */
+	/*
+	 * Special case:
+	 *
+	 * We've seen times where a disk won't have a ZPOOL_CONFIG_PHYS_PATH
+	 * entry in their config. For example, on this force-faulted disk:
+	 *
+	 *	children[0]:
+	 *	   type: 'disk'
+	 *	   id: 0
+	 *	   guid: 14309659774640089719
+	 *        path: '/dev/disk/by-vdev/L28'
+	 *        whole_disk: 0
+	 *        DTL: 654
+	 *        create_txg: 4
+	 *        com.delphix:vdev_zap_leaf: 1161
+	 *        faulted: 1
+	 *        aux_state: 'external'
+	 *	children[1]:
+	 *        type: 'disk'
+	 *        id: 1
+	 *        guid: 16002508084177980912
+	 *        path: '/dev/disk/by-vdev/L29'
+	 *        devid: 'dm-uuid-mpath-35000c500a61d68a3'
+	 *        phys_path: 'L29'
+	 *        vdev_enc_sysfs_path: '/sys/class/enclosure/0:0:1:0/SLOT 30 32'
+	 *        whole_disk: 0
+	 *        DTL: 1028
+	 *        create_txg: 4
+	 *        com.delphix:vdev_zap_leaf: 131
+	 *
+	 * If the disk's path is a /dev/disk/by-vdev/ path, then we can infer
+	 * the ZPOOL_CONFIG_PHYS_PATH from the by-vdev disk name.
+	 */
+	if (physpath == NULL && path != NULL) {
+		/* If path begins with "/dev/disk/by-vdev/" ... */
+		if (strncmp(path, DEV_BYVDEV_PATH,
+		    strlen(DEV_BYVDEV_PATH)) == 0) {
+			/* Set physpath to the char after "/dev/disk/by-vdev" */
+			physpath = &path[strlen(DEV_BYVDEV_PATH)];
+		}
+	}
 
-	is_dm = zfs_dev_is_dm(path);
+	/*
+	 * We don't want to autoreplace offlined disks.  However, we do want to
+	 * replace force-faulted disks (`zpool offline -f`).  Force-faulted
+	 * disks have both offline=1 and faulted=1 in the nvlist.
+	 */
+	if (offline && !faulted) {
+		zed_log_msg(LOG_INFO, "%s: %s is offline, skip autoreplace",
+		    __func__, path);
+		return;
+	}
+
+	is_mpath_wholedisk = is_mpath_whole_disk(path);
 	zed_log_msg(LOG_INFO, "zfs_process_add: pool '%s' vdev '%s', phys '%s'"
-	    " wholedisk %d, %s dm (guid %llu)", zpool_get_name(zhp), path,
-	    physpath ? physpath : "NULL", wholedisk, is_dm ? "is" : "not",
+	    " %s blank disk, %s mpath blank disk, %s labeled, enc sysfs '%s', "
+	    "(guid %llu)",
+	    zpool_get_name(zhp), path,
+	    physpath ? physpath : "NULL",
+	    wholedisk ? "is" : "not",
+	    is_mpath_wholedisk? "is" : "not",
+	    labeled ? "is" : "not",
+	    enc_sysfs_path,
 	    (long long unsigned int)guid);
 
 	/*
@@ -253,8 +311,9 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
 	    ZFS_ONLINE_CHECKREMOVE | ZFS_ONLINE_UNSPARE, &newstate) == 0 &&
 	    (newstate == VDEV_STATE_HEALTHY ||
 	    newstate == VDEV_STATE_DEGRADED)) {
-		zed_log_msg(LOG_INFO, "  zpool_vdev_online: vdev %s is %s",
-		    fullpath, (newstate == VDEV_STATE_HEALTHY) ?
+		zed_log_msg(LOG_INFO,
+		    "  zpool_vdev_online: vdev '%s' ('%s') is "
+		    "%s", fullpath, physpath, (newstate == VDEV_STATE_HEALTHY) ?
 		    "HEALTHY" : "DEGRADED");
 		return;
 	}
@@ -271,11 +330,12 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
 	 * vdev online to trigger a FMA fault by posting an ereport.
 	 */
 	if (!zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOREPLACE, NULL) ||
-	    !(wholedisk || is_dm) || (physpath == NULL)) {
+	    !(wholedisk || is_mpath_wholedisk) || (physpath == NULL)) {
 		(void) zpool_vdev_online(zhp, fullpath, ZFS_ONLINE_FORCEFAULT,
 		    &newstate);
 		zed_log_msg(LOG_INFO, "Pool's autoreplace is not enabled or "
-		    "not a whole disk for '%s'", fullpath);
+		    "not a blank disk for '%s' ('%s')", fullpath,
+		    physpath);
 		return;
 	}
 
@@ -287,7 +347,7 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
 	(void) snprintf(rawpath, sizeof (rawpath), "%s%s",
 	    is_sd ? DEV_BYVDEV_PATH : DEV_BYPATH_PATH, physpath);
 
-	if (realpath(rawpath, devpath) == NULL && !is_dm) {
+	if (realpath(rawpath, devpath) == NULL && !is_mpath_wholedisk) {
 		zed_log_msg(LOG_INFO, "  realpath: %s failed (%s)",
 		    rawpath, strerror(errno));
 
@@ -303,12 +363,14 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
 	if ((vs->vs_state != VDEV_STATE_DEGRADED) &&
 	    (vs->vs_state != VDEV_STATE_FAULTED) &&
 	    (vs->vs_state != VDEV_STATE_CANT_OPEN)) {
+		zed_log_msg(LOG_INFO, "  not autoreplacing since disk isn't in "
+		    "a bad state (currently %d)", vs->vs_state);
 		return;
 	}
 
 	nvlist_lookup_string(vdev, "new_devid", &new_devid);
 
-	if (is_dm) {
+	if (is_mpath_wholedisk) {
 		/* Don't label device mapper or multipath disks. */
 	} else if (!labeled) {
 		/*
@@ -522,8 +584,11 @@ zfs_iter_vdev(zpool_handle_t *zhp, nvlist_t *nvl, void *data)
 		 * the dp->dd_compare value.
 		 */
 		if (nvlist_lookup_string(nvl, dp->dd_prop, &path) != 0 ||
-		    strcmp(dp->dd_compare, path) != 0)
+		    strcmp(dp->dd_compare, path) != 0) {
+			zed_log_msg(LOG_INFO, "  %s: no match (%s != vdev %s)",
+			    __func__, dp->dd_compare, path);
 			return;
+		}
 
 		zed_log_msg(LOG_INFO, "  zfs_iter_vdev: matched %s on %s",
 		    dp->dd_prop, path);
@@ -571,6 +636,8 @@ zfs_iter_pool(zpool_handle_t *zhp, void *data)
 			    ZPOOL_CONFIG_VDEV_TREE, &nvl);
 			zfs_iter_vdev(zhp, nvl, data);
 		}
+	} else {
+		zed_log_msg(LOG_INFO, "%s: no config\n", __func__);
 	}
 
 	/*
@@ -619,6 +686,72 @@ devphys_iter(const char *physical, const char *devid, zfs_process_func_t func,
 	return (data.dd_found);
 }
 
+/*
+ * Given a device identifier, find any vdevs with a matching by-vdev
+ * path.  Normally we shouldn't need this as the comparison would be
+ * made earlier in the devphys_iter().  For example, if we were replacing
+ * /dev/disk/by-vdev/L28, normally devphys_iter() would match the
+ * ZPOOL_CONFIG_PHYS_PATH of "L28" from the old disk config to "L28"
+ * of the new disk config.  However, we've seen cases where
+ * ZPOOL_CONFIG_PHYS_PATH was not in the config for the old disk.  Here's
+ * an example of a real 2-disk mirror pool where one disk was force
+ * faulted:
+ *
+ *       com.delphix:vdev_zap_top: 129
+ *           children[0]:
+ *               type: 'disk'
+ *               id: 0
+ *               guid: 14309659774640089719
+ *               path: '/dev/disk/by-vdev/L28'
+ *               whole_disk: 0
+ *               DTL: 654
+ *               create_txg: 4
+ *               com.delphix:vdev_zap_leaf: 1161
+ *               faulted: 1
+ *               aux_state: 'external'
+ *           children[1]:
+ *               type: 'disk'
+ *               id: 1
+ *               guid: 16002508084177980912
+ *               path: '/dev/disk/by-vdev/L29'
+ *               devid: 'dm-uuid-mpath-35000c500a61d68a3'
+ *               phys_path: 'L29'
+ *               vdev_enc_sysfs_path: '/sys/class/enclosure/0:0:1:0/SLOT 30 32'
+ *               whole_disk: 0
+ *               DTL: 1028
+ *               create_txg: 4
+ *               com.delphix:vdev_zap_leaf: 131
+ *
+ * So in the case above, the only thing we could compare is the path.
+ *
+ * We can do this because we assume by-vdev paths are authoritative as physical
+ * paths.  We could not assume this for normal paths like /dev/sda since the
+ * physical location /dev/sda points to could change over time.
+ */
+static boolean_t
+by_vdev_path_iter(const char *by_vdev_path, const char *devid,
+    zfs_process_func_t func, boolean_t is_slice)
+{
+	dev_data_t data = { 0 };
+
+	data.dd_compare = by_vdev_path;
+	data.dd_func = func;
+	data.dd_prop = ZPOOL_CONFIG_PATH;
+	data.dd_found = B_FALSE;
+	data.dd_islabeled = is_slice;
+	data.dd_new_devid = devid;
+
+	if (strncmp(by_vdev_path, DEV_BYVDEV_PATH,
+	    strlen(DEV_BYVDEV_PATH)) != 0) {
+		/* by_vdev_path doesn't start with "/dev/disk/by-vdev/" */
+		return (B_FALSE);
+	}
+
+	(void) zpool_iter(g_zfshdl, zfs_iter_pool, &data);
+
+	return (data.dd_found);
+}
+
 /*
  * Given a device identifier, find any vdevs with a matching devid.
  * On Linux we can match devid directly which is always a whole disk.
@@ -683,15 +816,17 @@ guid_iter(uint64_t pool_guid, uint64_t vdev_guid, const char *devid,
 static int
 zfs_deliver_add(nvlist_t *nvl, boolean_t is_lofi)
 {
-	char *devpath = NULL, *devid;
+	char *devpath = NULL, *devid = NULL;
 	uint64_t pool_guid = 0, vdev_guid = 0;
 	boolean_t is_slice;
 
 	/*
 	 * Expecting a devid string and an optional physical location and guid
 	 */
-	if (nvlist_lookup_string(nvl, DEV_IDENTIFIER, &devid) != 0)
+	if (nvlist_lookup_string(nvl, DEV_IDENTIFIER, &devid) != 0) {
+		zed_log_msg(LOG_INFO, "%s: no dev identifier\n", __func__);
 		return (-1);
+	}
 
 	(void) nvlist_lookup_string(nvl, DEV_PHYS_PATH, &devpath);
 	(void) nvlist_lookup_uint64(nvl, ZFS_EV_POOL_GUID, &pool_guid);
@@ -707,6 +842,8 @@ zfs_deliver_add(nvlist_t *nvl, boolean_t is_lofi)
 	 * 1. ZPOOL_CONFIG_DEVID (identifies the unique disk)
 	 * 2. ZPOOL_CONFIG_PHYS_PATH (identifies disk physical location).
 	 * 3. ZPOOL_CONFIG_GUID (identifies unique vdev).
+	 * 4. ZPOOL_CONFIG_PATH for /dev/disk/by-vdev devices only (since
+	 *    by-vdev paths represent physical paths).
 	 */
 	if (devid_iter(devid, zfs_process_add, is_slice))
 		return (0);
@@ -717,6 +854,16 @@ zfs_deliver_add(nvlist_t *nvl, boolean_t is_lofi)
 		(void) guid_iter(pool_guid, vdev_guid, devid, zfs_process_add,
 		    is_slice);
 
+	if (devpath != NULL) {
+		/* Can we match a /dev/disk/by-vdev/ path? */
+		char by_vdev_path[MAXPATHLEN];
+		snprintf(by_vdev_path, sizeof (by_vdev_path),
+		    "/dev/disk/by-vdev/%s", devpath);
+		if (by_vdev_path_iter(by_vdev_path, devid, zfs_process_add,
+		    is_slice))
+			return (0);
+	}
+
 	return (0);
 }
 

cmd/zed/zed_disk_event.c

@@ -215,6 +215,11 @@ zed_udev_monitor(void *arg)
 		if (type != NULL && type[0] != '\0' &&
 		    strcmp(type, "disk") == 0 &&
 		    part != NULL && part[0] != '\0') {
+			zed_log_msg(LOG_INFO,
+			    "%s: skip %s since it has a %s partition already",
+			    __func__,
+			    udev_device_get_property_value(dev, "DEVNAME"),
+			    part);
 			/* skip and wait for partition event */
 			udev_device_unref(dev);
 			continue;
@@ -229,6 +234,11 @@ zed_udev_monitor(void *arg)
 			sectors = udev_device_get_sysattr_value(dev, "size");
 		if (sectors != NULL &&
 		    strtoull(sectors, NULL, 10) < MINIMUM_SECTORS) {
+			zed_log_msg(LOG_INFO,
+			    "%s: %s sectors %s < %llu (minimum)",
+			    __func__,
+			    udev_device_get_property_value(dev, "DEVNAME"),
+			    sectors, MINIMUM_SECTORS);
 			udev_device_unref(dev);
 			continue;
 		}

include/os/freebsd/spl/sys/Makefile.am

@@ -22,7 +22,6 @@ KERNEL_H = \
 	inttypes.h \
 	isa_defs.h \
 	kmem_cache.h \
-	kidmap.h \
 	kmem.h \
 	kstat.h \
 	list_impl.h \

include/os/freebsd/spl/sys/cred.h

@@ -48,138 +48,20 @@ extern "C" {
 typedef struct ucred cred_t;
 
 #define	CRED()		curthread->td_ucred
+
+/*
+ * kcred is used when you need all privileges.
+ */
 #define	kcred	(thread0.td_ucred)
 
 #define	KUID_TO_SUID(x)		(x)
 #define	KGID_TO_SGID(x)		(x)
-#define	crgetuid(cred)		((cred)->cr_uid)
-#define	crgetruid(cred)		((cred)->cr_ruid)
-#define	crgetgid(cred)		((cred)->cr_gid)
-#define	crgetgroups(cred)	((cred)->cr_groups)
-#define	crgetngroups(cred)	((cred)->cr_ngroups)
-#define	crgetsid(cred, i)	(NULL)
-
-struct proc;				/* cred.h is included in proc.h */
-struct prcred;
-struct ksid;
-struct ksidlist;
-struct credklpd;
-struct credgrp;
-
-struct auditinfo_addr;			/* cred.h is included in audit.h */
-
-extern int ngroups_max;
-/*
- * kcred is used when you need all privileges.
- */
-
-extern void cred_init(void);
-extern void crfree(cred_t *);
-extern cred_t *cralloc(void);		/* all but ref uninitialized */
-extern cred_t *cralloc_ksid(void);	/* cralloc() + ksid alloc'ed */
-extern cred_t *crget(void);		/* initialized */
-extern void crcopy_to(cred_t *, cred_t *);
-extern cred_t *crdup(cred_t *);
-extern void crdup_to(cred_t *, cred_t *);
-extern cred_t *crgetcred(void);
-extern void crset(struct proc *, cred_t *);
-extern void crset_zone_privall(cred_t *);
-extern int supgroupmember(gid_t, const cred_t *);
-extern int hasprocperm(const cred_t *, const cred_t *);
-extern int prochasprocperm(struct proc *, struct proc *, const cred_t *);
-extern int crcmp(const cred_t *, const cred_t *);
-extern cred_t *zone_kcred(void);
-
-extern gid_t crgetrgid(const cred_t *);
-extern gid_t crgetsgid(const cred_t *);
-
-#define	crgetzoneid(cr) ((cr)->cr_prison->pr_id)
-extern projid_t crgetprojid(const cred_t *);
-
-extern cred_t *crgetmapped(const cred_t *);
-
-
-extern const struct auditinfo_addr *crgetauinfo(const cred_t *);
-extern struct auditinfo_addr *crgetauinfo_modifiable(cred_t *);
-
-extern uint_t crgetref(const cred_t *);
-
-extern const gid_t *crgetggroups(const struct credgrp *);
-
-
-/*
- * Sets real, effective and/or saved uid/gid;
- * -1 argument accepted as "no change".
- */
-extern int crsetresuid(cred_t *, uid_t, uid_t, uid_t);
-extern int crsetresgid(cred_t *, gid_t, gid_t, gid_t);
-
-/*
- * Sets real, effective and saved uids/gids all to the same
- * values.  Both values must be non-negative and <= MAXUID
- */
-extern int crsetugid(cred_t *, uid_t, gid_t);
-
-/*
- * Functions to handle the supplemental group list.
- */
-extern struct credgrp *crgrpcopyin(int, gid_t *);
-extern void crgrprele(struct credgrp *);
-extern void crsetcredgrp(cred_t *, struct credgrp *);
-
-/*
- * Private interface for setting zone association of credential.
- */
-struct zone;
-extern void crsetzone(cred_t *, struct zone *);
-extern struct zone *crgetzone(const cred_t *);
-
-/*
- * Private interface for setting project id in credential.
- */
-extern void crsetprojid(cred_t *, projid_t);
-
-/*
- * Private interface for nfs.
- */
-extern cred_t *crnetadjust(cred_t *);
-
-/*
- * Private interface for procfs.
- */
-extern void cred2prcred(const cred_t *, struct prcred *);
-
-/*
- * Private interfaces for Rampart Trusted Solaris.
- */
-struct ts_label_s;
-extern struct ts_label_s *crgetlabel(const cred_t *);
-extern boolean_t crisremote(const cred_t *);
-
-/*
- * Private interfaces for ephemeral uids.
- */
-#define	VALID_UID(id, zn)					\
-	((id) <= MAXUID || valid_ephemeral_uid((zn), (id)))
-
-#define	VALID_GID(id, zn)					\
-	((id) <= MAXUID || valid_ephemeral_gid((zn), (id)))
-
-extern boolean_t valid_ephemeral_uid(struct zone *, uid_t);
-extern boolean_t valid_ephemeral_gid(struct zone *, gid_t);
-
-extern int eph_uid_alloc(struct zone *, int, uid_t *, int);
-extern int eph_gid_alloc(struct zone *, int, gid_t *, int);
-
-extern void crsetsid(cred_t *, struct ksid *, int);
-extern void crsetsidlist(cred_t *, struct ksidlist *);
-
-extern struct ksidlist *crgetsidlist(const cred_t *);
-
-extern int crsetpriv(cred_t *, ...);
-
-extern struct credklpd *crgetcrklpd(const cred_t *);
-extern void crsetcrklpd(cred_t *, struct credklpd *);
+#define	crgetuid(cr)		((cr)->cr_uid)
+#define	crgetruid(cr)		((cr)->cr_ruid)
+#define	crgetgid(cr)		((cr)->cr_gid)
+#define	crgetgroups(cr)		((cr)->cr_groups)
+#define	crgetngroups(cr)	((cr)->cr_ngroups)
+#define	crgetzoneid(cr) 	((cr)->cr_prison->pr_id)
 
 #ifdef	__cplusplus
 }

include/os/freebsd/spl/sys/kidmap.h

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#ifndef _OPENSOLARIS_SYS_KIDMAP_H_
-#define	_OPENSOLARIS_SYS_KIDMAP_H_
-
-#include <sys/idmap.h>
-
-typedef int32_t	idmap_stat;
-typedef void	idmap_get_handle_t;
-
-#define	kidmap_get_create()		(NULL)
-#define	kidmap_get_destroy(hdl)		do { } while (0)
-#define	kidmap_get_mappings(hdl)	(NULL)
-
-#endif	/* _OPENSOLARIS_SYS_KIDMAP_H_ */

include/os/freebsd/spl/sys/sid.h

@@ -29,7 +29,6 @@
 #ifndef _OPENSOLARIS_SYS_SID_H_
 #define	_OPENSOLARIS_SYS_SID_H_
 #include <sys/idmap.h>
-#include <sys/kidmap.h>
 
 typedef struct ksiddomain {
 	char	*kd_name;	/* Domain part of SID */
@@ -59,28 +58,4 @@ ksiddomain_rele(ksiddomain_t *kd)
 	kmem_free(kd, sizeof (*kd));
 }
 
-static __inline uint_t
-ksid_getid(ksid_t *ks)
-{
-
-	panic("%s has been unexpectedly called", __func__);
-}
-
-static __inline const char *
-ksid_getdomain(ksid_t *ks)
-{
-
-	panic("%s has been unexpectedly called", __func__);
-}
-
-static __inline uint_t
-ksid_getrid(ksid_t *ks)
-{
-
-	panic("%s has been unexpectedly called", __func__);
-}
-
-#define	kidmap_getsidbyuid(zone, uid, sid_prefix, rid)	(1)
-#define	kidmap_getsidbygid(zone, gid, sid_prefix, rid)	(1)
-
 #endif	/* _OPENSOLARIS_SYS_SID_H_ */

include/os/linux/kernel/linux/simd_x86.h

@@ -420,9 +420,9 @@ kfpu_end(void)
 	if (static_cpu_has(X86_FEATURE_XSAVE)) {
 		kfpu_do_xrstor("xrstor", &state->xsave, ~0);
 	} else if (static_cpu_has(X86_FEATURE_FXSR)) {
-		kfpu_save_fxsr(&state->fxsave);
+		kfpu_restore_fxsr(&state->fxsave);
 	} else {
-		kfpu_save_fsave(&state->fsave);
+		kfpu_restore_fsave(&state->fsave);
 	}
 out:
 	local_irq_enable();

include/os/linux/spl/sys/cred.h

@@ -49,12 +49,7 @@ extern void crhold(cred_t *cr);
 extern void crfree(cred_t *cr);
 extern uid_t crgetuid(const cred_t *cr);
 extern uid_t crgetruid(const cred_t *cr);
-extern uid_t crgetsuid(const cred_t *cr);
-extern uid_t crgetfsuid(const cred_t *cr);
 extern gid_t crgetgid(const cred_t *cr);
-extern gid_t crgetrgid(const cred_t *cr);
-extern gid_t crgetsgid(const cred_t *cr);
-extern gid_t crgetfsgid(const cred_t *cr);
 extern int crgetngroups(const cred_t *cr);
 extern gid_t *crgetgroups(const cred_t *cr);
 extern int groupmember(gid_t gid, const cred_t *cr);

lib/libzfs/libzfs_crypto.c

@@ -606,7 +606,6 @@ get_key_material_https(libzfs_handle_t *hdl, const char *uri,
 kfdok:
 	if ((key = fdopen(kfd, "r+")) == NULL) {
 		ret = errno;
-		free(path);
 		(void) close(kfd);
 		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
 		    "Couldn't reopen temporary file: %s"), strerror(ret));

lib/libzutil/os/linux/zutil_device_path_os.c

@@ -527,7 +527,7 @@ zfs_dev_is_dm(const char *dev_name)
 boolean_t
 zfs_dev_is_whole_disk(const char *dev_name)
 {
-	struct dk_gpt *label;
+	struct dk_gpt *label = NULL;
 	int fd;
 
 	if ((fd = open(dev_name, O_RDONLY | O_DIRECT | O_CLOEXEC)) < 0)
@@ -613,22 +613,24 @@ zfs_get_underlying_path(const char *dev_name)
 /*
  * A disk is considered a multipath whole disk when:
  *	DEVNAME key value has "dm-"
- *	DM_NAME key value has "mpath" prefix
- *	DM_UUID key exists
+ *	DM_UUID key exists and starts with 'mpath-'
  *	ID_PART_TABLE_TYPE key does not exist or is not gpt
+ *	ID_FS_LABEL key does not exist (disk isn't labeled)
  */
 static boolean_t
-udev_mpath_whole_disk(struct udev_device *dev)
+is_mpath_udev_sane(struct udev_device *dev)
 {
-	const char *devname, *type, *uuid;
+	const char *devname, *type, *uuid, *label;
 
 	devname = udev_device_get_property_value(dev, "DEVNAME");
 	type = udev_device_get_property_value(dev, "ID_PART_TABLE_TYPE");
 	uuid = udev_device_get_property_value(dev, "DM_UUID");
+	label = udev_device_get_property_value(dev, "ID_FS_LABEL");
 
 	if ((devname != NULL && strncmp(devname, "/dev/dm-", 8) == 0) &&
 	    ((type == NULL) || (strcmp(type, "gpt") != 0)) &&
-	    (uuid != NULL)) {
+	    ((uuid != NULL) && (strncmp(uuid, "mpath-", 6) == 0)) &&
+	    (label == NULL)) {
 		return (B_TRUE);
 	}
 
@@ -636,7 +638,11 @@ udev_mpath_whole_disk(struct udev_device *dev)
 }
 
 /*
- * Check if a disk is effectively a multipath whole disk
+ * Check if a disk is a multipath "blank" disk:
+ *
+ * 1. The disk has udev values that suggest it's a multipath disk
+ * 2. The disk is not currently labeled with a filesystem of any type
+ * 3. There are no partitions on the disk
  */
 boolean_t
 is_mpath_whole_disk(const char *path)
@@ -645,7 +651,6 @@ is_mpath_whole_disk(const char *path)
 	struct udev_device *dev = NULL;
 	char nodepath[MAXPATHLEN];
 	char *sysname;
-	boolean_t wholedisk = B_FALSE;
 
 	if (realpath(path, nodepath) == NULL)
 		return (B_FALSE);
@@ -660,10 +665,11 @@ is_mpath_whole_disk(const char *path)
 		return (B_FALSE);
 	}
 
-	wholedisk = udev_mpath_whole_disk(dev);
-
+	/* Sanity check some udev values */
+	boolean_t is_sane = is_mpath_udev_sane(dev);
 	udev_device_unref(dev);
-	return (wholedisk);
+
+	return (is_sane);
 }
 
 #else /* HAVE_LIBUDEV */

module/Makefile.bsd

@@ -32,7 +32,7 @@ CFLAGS+= -include ${INCDIR}/os/freebsd/spl/sys/ccompile.h
 
 CFLAGS+= -D__KERNEL__ -DFREEBSD_NAMECACHE -DBUILDING_ZFS  -D__BSD_VISIBLE=1 \
 	 -DHAVE_UIO_ZEROCOPY -DWITHOUT_NETDUMP -D__KERNEL -D_SYS_CONDVAR_H_ \
-	 -D_SYS_VMEM_H_ -DKDTRACE_HOOKS -DSMP -DHAVE_KSID -DCOMPAT_FREEBSD11
+	 -D_SYS_VMEM_H_ -DKDTRACE_HOOKS -DSMP -DCOMPAT_FREEBSD11
 
 .if ${MACHINE_ARCH} == "amd64"
 CFLAGS+= -DHAVE_AVX2 -DHAVE_AVX -D__x86_64 -DHAVE_SSE2 -DHAVE_AVX512F -DHAVE_SSSE3

module/os/freebsd/spl/spl_sysevent.c

@@ -250,7 +250,17 @@ sysevent_worker(void *arg __unused)
 			nvlist_free(event);
 		}
 	}
-	zfs_zevent_destroy(ze);
+
+	/*
+	 * We avoid zfs_zevent_destroy() here because we're otherwise racing
+	 * against fm_fini() destroying the zevent_lock.  zfs_zevent_destroy()
+	 * will currently only clear `ze->ze_zevent` from an event list then
+	 * free `ze`, so just inline the free() here -- events have already
+	 * been drained.
+	 */
+	VERIFY3P(ze->ze_zevent, ==, NULL);
+	kmem_free(ze, sizeof (zfs_zevent_t));
+
 	kthread_exit();
 }
 

module/os/freebsd/zfs/zfs_acl.c

@@ -1653,8 +1653,10 @@ zfs_acl_ids_create(znode_t *dzp, int flag, vattr_t *vap, cred_t *cr,
 		    ZFS_GROUP, &acl_ids->z_fuidp);
 		gid = vap->va_gid;
 	} else {
-		acl_ids->z_fuid = zfs_fuid_create_cred(zfsvfs, ZFS_OWNER,
-		    cr, &acl_ids->z_fuidp);
+		uid_t id = crgetuid(cr);
+		if (IS_EPHEMERAL(id))
+			id = UID_NOBODY;
+		acl_ids->z_fuid = (uint64_t)id;
 		acl_ids->z_fgid = 0;
 		if (vap->va_mask & AT_GID)  {
 			acl_ids->z_fgid = zfs_fuid_create(zfsvfs,

module/os/freebsd/zfs/zfs_vnops_os.c

@@ -1060,8 +1060,7 @@ zfs_create(znode_t *dzp, const char *name, vattr_t *vap, int excl, int mode,
 	objset_t	*os;
 	dmu_tx_t	*tx;
 	int		error;
-	ksid_t		*ksid;
-	uid_t		uid;
+	uid_t		uid = crgetuid(cr);
 	gid_t		gid = crgetgid(cr);
 	uint64_t	projid = ZFS_DEFAULT_PROJID;
 	zfs_acl_ids_t   acl_ids;
@@ -1075,13 +1074,6 @@ zfs_create(znode_t *dzp, const char *name, vattr_t *vap, int excl, int mode,
 	 * If we have an ephemeral id, ACL, or XVATTR then
 	 * make sure file system is at proper version
 	 */
-
-	ksid = crgetsid(cr, KSID_OWNER);
-	if (ksid)
-		uid = ksid_getid(ksid);
-	else
-		uid = crgetuid(cr);
-
 	if (zfsvfs->z_use_fuids == B_FALSE &&
 	    (vsecp || (vap->va_mask & AT_XVATTR) ||
 	    IS_EPHEMERAL(uid) || IS_EPHEMERAL(gid)))
@@ -1415,8 +1407,7 @@ zfs_mkdir(znode_t *dzp, const char *dirname, vattr_t *vap, znode_t **zpp,
 	uint64_t	txtype;
 	dmu_tx_t	*tx;
 	int		error;
-	ksid_t		*ksid;
-	uid_t		uid;
+	uid_t		uid = crgetuid(cr);
 	gid_t		gid = crgetgid(cr);
 	zfs_acl_ids_t   acl_ids;
 	boolean_t	fuid_dirtied;
@@ -1427,12 +1418,6 @@ zfs_mkdir(znode_t *dzp, const char *dirname, vattr_t *vap, znode_t **zpp,
 	 * If we have an ephemeral id, ACL, or XVATTR then
 	 * make sure file system is at proper version
 	 */
-
-	ksid = crgetsid(cr, KSID_OWNER);
-	if (ksid)
-		uid = ksid_getid(ksid);
-	else
-		uid = crgetuid(cr);
 	if (zfsvfs->z_use_fuids == B_FALSE &&
 	    ((vap->va_mask & AT_XVATTR) ||
 	    IS_EPHEMERAL(uid) || IS_EPHEMERAL(gid)))

module/os/freebsd/zfs/zfs_znode.c

@@ -839,7 +839,9 @@ zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx)
 	xoap = xva_getxoptattr(xvap);
 	ASSERT3P(xoap, !=, NULL);
 
-	ASSERT_VOP_IN_SEQC(ZTOV(zp));
+	if (zp->z_zfsvfs->z_replay == B_FALSE) {
+		ASSERT_VOP_IN_SEQC(ZTOV(zp));
+	}
 
 	if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) {
 		uint64_t times[2];

module/os/linux/spl/spl-cred.c

@@ -128,7 +128,7 @@ groupmember(gid_t gid, const cred_t *cr)
 uid_t
 crgetuid(const cred_t *cr)
 {
-	return (KUID_TO_SUID(cr->euid));
+	return (KUID_TO_SUID(cr->fsuid));
 }
 
 /* Return the real user id */
@@ -138,44 +138,9 @@ crgetruid(const cred_t *cr)
 	return (KUID_TO_SUID(cr->uid));
 }
 
-/* Return the saved user id */
-uid_t
-crgetsuid(const cred_t *cr)
-{
-	return (KUID_TO_SUID(cr->suid));
-}
-
-/* Return the filesystem user id */
-uid_t
-crgetfsuid(const cred_t *cr)
-{
-	return (KUID_TO_SUID(cr->fsuid));
-}
-
 /* Return the effective group id */
 gid_t
 crgetgid(const cred_t *cr)
-{
-	return (KGID_TO_SGID(cr->egid));
-}
-
-/* Return the real group id */
-gid_t
-crgetrgid(const cred_t *cr)
-{
-	return (KGID_TO_SGID(cr->gid));
-}
-
-/* Return the saved group id */
-gid_t
-crgetsgid(const cred_t *cr)
-{
-	return (KGID_TO_SGID(cr->sgid));
-}
-
-/* Return the filesystem group id */
-gid_t
-crgetfsgid(const cred_t *cr)
 {
 	return (KGID_TO_SGID(cr->fsgid));
 }
@@ -184,12 +149,7 @@ EXPORT_SYMBOL(crhold);
 EXPORT_SYMBOL(crfree);
 EXPORT_SYMBOL(crgetuid);
 EXPORT_SYMBOL(crgetruid);
-EXPORT_SYMBOL(crgetsuid);
-EXPORT_SYMBOL(crgetfsuid);
 EXPORT_SYMBOL(crgetgid);
-EXPORT_SYMBOL(crgetrgid);
-EXPORT_SYMBOL(crgetsgid);
-EXPORT_SYMBOL(crgetfsgid);
 EXPORT_SYMBOL(crgetngroups);
 EXPORT_SYMBOL(crgetgroups);
 EXPORT_SYMBOL(groupmember);

module/os/linux/zfs/policy.c

@@ -121,7 +121,7 @@ secpolicy_vnode_access2(const cred_t *cr, struct inode *ip, uid_t owner,
 int
 secpolicy_vnode_any_access(const cred_t *cr, struct inode *ip, uid_t owner)
 {
-	if (crgetfsuid(cr) == owner)
+	if (crgetuid(cr) == owner)
 		return (0);
 
 	if (zpl_inode_owner_or_capable(kcred->user_ns, ip))
@@ -147,7 +147,7 @@ secpolicy_vnode_any_access(const cred_t *cr, struct inode *ip, uid_t owner)
 int
 secpolicy_vnode_chown(const cred_t *cr, uid_t owner)
 {
-	if (crgetfsuid(cr) == owner)
+	if (crgetuid(cr) == owner)
 		return (0);
 
 #if defined(CONFIG_USER_NS)
@@ -184,7 +184,7 @@ secpolicy_vnode_remove(const cred_t *cr)
 int
 secpolicy_vnode_setdac(const cred_t *cr, uid_t owner)
 {
-	if (crgetfsuid(cr) == owner)
+	if (crgetuid(cr) == owner)
 		return (0);
 
 #if defined(CONFIG_USER_NS)
@@ -220,7 +220,7 @@ secpolicy_vnode_setids_setgids(const cred_t *cr, gid_t gid)
 	if (!kgid_has_mapping(cr->user_ns, SGID_TO_KGID(gid)))
 		return (EPERM);
 #endif
-	if (crgetfsgid(cr) != gid && !groupmember(gid, cr))
+	if (crgetgid(cr) != gid && !groupmember(gid, cr))
 		return (priv_policy_user(cr, CAP_FSETID, EPERM));
 
 	return (0);
@@ -286,7 +286,7 @@ secpolicy_setid_clear(vattr_t *vap, cred_t *cr)
 static int
 secpolicy_vnode_setid_modify(const cred_t *cr, uid_t owner)
 {
-	if (crgetfsuid(cr) == owner)
+	if (crgetuid(cr) == owner)
 		return (0);
 
 #if defined(CONFIG_USER_NS)

module/os/linux/zfs/zpl_inode.c

@@ -116,14 +116,14 @@ zpl_vap_init(vattr_t *vap, struct inode *dir, umode_t mode, cred_t *cr)
 {
 	vap->va_mask = ATTR_MODE;
 	vap->va_mode = mode;
-	vap->va_uid = crgetfsuid(cr);
+	vap->va_uid = crgetuid(cr);
 
 	if (dir && dir->i_mode & S_ISGID) {
 		vap->va_gid = KGID_TO_SGID(dir->i_gid);
 		if (S_ISDIR(mode))
 			vap->va_mode |= S_ISGID;
 	} else {
-		vap->va_gid = crgetfsgid(cr);
+		vap->va_gid = crgetgid(cr);
 	}
 }
 

module/os/linux/zfs/zpl_xattr.c

@@ -492,8 +492,8 @@ zpl_xattr_set_dir(struct inode *ip, const char *name, const void *value,
 		vap = kmem_zalloc(sizeof (vattr_t), KM_SLEEP);
 		vap->va_mode = xattr_mode;
 		vap->va_mask = ATTR_MODE;
-		vap->va_uid = crgetfsuid(cr);
-		vap->va_gid = crgetfsgid(cr);
+		vap->va_uid = crgetuid(cr);
+		vap->va_gid = crgetgid(cr);
 
 		error = -zfs_create(dxzp, (char *)name, vap, 0, 0644, &xzp,
 		    cr, 0, NULL);

module/zfs/arc.c

@@ -1205,7 +1205,7 @@ static void
 hdr_l2only_dest(void *vbuf, void *unused)
 {
 	(void) unused;
-	arc_buf_hdr_t *hdr = vbuf;
+	arc_buf_hdr_t *hdr __maybe_unused = vbuf;
 
 	ASSERT(HDR_EMPTY(hdr));
 	arc_space_return(HDR_L2ONLY_SIZE, ARC_SPACE_L2HDRS);