svn commit: r365347 - in head: lib/libbe sys/conf sys/contrib/openzfs sys/contrib/openzfs/cmd/zfs sys/contrib/openzfs/config sys/contrib/openzfs/etc/systemd/system sys/contrib/openzfs/etc/systemd/s...
Matt Macy
mmacy at FreeBSD.org
Fri Sep 4 22:25:19 UTC 2020
Author: mmacy
Date: Fri Sep 4 22:25:14 2020
New Revision: 365347
URL: https://svnweb.freebsd.org/changeset/base/365347
Log:
ZFS: MFV 2.0-rc1-gfd20a8
- fixes jail delegation
- fixes raw kstat unsupported complaints
- exposes dbgmsg, dbuf, and checksum benchmark stats
- restore rename -u support
Added:
head/sys/contrib/openzfs/include/os/freebsd/zfs/sys/zfs_vfsops_os.h
- copied unchanged from r365345, vendor-sys/openzfs/dist/include/os/freebsd/zfs/sys/zfs_vfsops_os.h
head/sys/contrib/openzfs/include/os/linux/zfs/sys/zfs_vfsops_os.h
- copied unchanged from r365345, vendor-sys/openzfs/dist/include/os/linux/zfs/sys/zfs_vfsops_os.h
head/sys/contrib/openzfs/include/sys/zfs_vfsops.h
- copied unchanged from r365345, vendor-sys/openzfs/dist/include/sys/zfs_vfsops.h
head/sys/contrib/openzfs/lib/libspl/os/freebsd/zone.c
- copied unchanged from r365345, vendor-sys/openzfs/dist/lib/libspl/os/freebsd/zone.c
head/sys/contrib/openzfs/lib/libspl/os/linux/zone.c
- copied unchanged from r365345, vendor-sys/openzfs/dist/lib/libspl/os/linux/zone.c
head/sys/contrib/openzfs/module/zfs/spa_stats.c
- copied unchanged from r365346, vendor-sys/openzfs/dist/module/zfs/spa_stats.c
head/sys/contrib/openzfs/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_nounmount.ksh
- copied unchanged from r365345, vendor-sys/openzfs/dist/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_nounmount.ksh
Deleted:
head/sys/contrib/openzfs/include/os/freebsd/zfs/sys/zfs_vfsops.h
head/sys/contrib/openzfs/include/os/linux/zfs/sys/zfs_vfsops.h
head/sys/contrib/openzfs/lib/libspl/zone.c
head/sys/contrib/openzfs/module/os/freebsd/zfs/spa_stats.c
head/sys/contrib/openzfs/module/os/linux/zfs/spa_stats.c
Modified:
head/lib/libbe/be.c
head/sys/conf/files
head/sys/contrib/openzfs/cmd/zfs/zfs_main.c
head/sys/contrib/openzfs/config/kernel-global_page_state.m4
head/sys/contrib/openzfs/config/zfs-build.m4
head/sys/contrib/openzfs/etc/systemd/system-generators/zfs-mount-generator.in
head/sys/contrib/openzfs/etc/systemd/system/zfs-mount.service.in
head/sys/contrib/openzfs/include/libzfs.h
head/sys/contrib/openzfs/include/libzfs_impl.h
head/sys/contrib/openzfs/include/os/freebsd/spl/sys/cred.h
head/sys/contrib/openzfs/include/os/freebsd/spl/sys/zone.h
head/sys/contrib/openzfs/include/os/freebsd/zfs/sys/Makefile.am
head/sys/contrib/openzfs/include/os/linux/kernel/linux/page_compat.h
head/sys/contrib/openzfs/include/os/linux/spl/sys/vmsystm.h
head/sys/contrib/openzfs/include/os/linux/zfs/sys/Makefile.am
head/sys/contrib/openzfs/include/sys/Makefile.am
head/sys/contrib/openzfs/lib/libspl/Makefile.am
head/sys/contrib/openzfs/lib/libspl/include/limits.h
head/sys/contrib/openzfs/lib/libspl/include/zone.h
head/sys/contrib/openzfs/lib/libzfs/libzfs_changelist.c
head/sys/contrib/openzfs/lib/libzfs/libzfs_dataset.c
head/sys/contrib/openzfs/lib/libzpool/kernel.c
head/sys/contrib/openzfs/man/man8/zfs-rename.8
head/sys/contrib/openzfs/module/avl/avl.c
head/sys/contrib/openzfs/module/nvpair/nvpair.c
head/sys/contrib/openzfs/module/os/freebsd/spl/spl_kstat.c
head/sys/contrib/openzfs/module/os/freebsd/spl/spl_zone.c
head/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vfsops.c
head/sys/contrib/openzfs/module/os/freebsd/zfs/zvol_os.c
head/sys/contrib/openzfs/module/os/linux/spl/spl-kstat.c
head/sys/contrib/openzfs/module/os/linux/zfs/Makefile.in
head/sys/contrib/openzfs/module/os/linux/zfs/arc_os.c
head/sys/contrib/openzfs/module/os/linux/zfs/zfs_vfsops.c
head/sys/contrib/openzfs/module/os/linux/zfs/zpl_super.c
head/sys/contrib/openzfs/module/zfs/Makefile.in
head/sys/contrib/openzfs/module/zfs/arc.c
head/sys/contrib/openzfs/module/zfs/dsl_dir.c
head/sys/contrib/openzfs/module/zfs/spa.c
head/sys/contrib/openzfs/module/zfs/spa_config.c
head/sys/contrib/openzfs/module/zfs/vdev.c
head/sys/contrib/openzfs/module/zfs/vdev_indirect.c
head/sys/contrib/openzfs/module/zfs/vdev_raidz.c
head/sys/contrib/openzfs/module/zfs/zfs_fm.c
head/sys/contrib/openzfs/module/zfs/zfs_ioctl.c
head/sys/contrib/openzfs/module/zfs/zio.c
head/sys/contrib/openzfs/tests/runfiles/common.run
head/sys/contrib/openzfs/tests/zfs-tests/include/tunables.cfg
head/sys/contrib/openzfs/tests/zfs-tests/tests/functional/cli_root/zfs_rename/Makefile.am
head/sys/contrib/openzfs/tests/zfs-tests/tests/functional/cli_root/zfs_rename/zfs_rename_mountpoint.ksh
Directory Properties:
head/sys/contrib/openzfs/ (props changed)
head/sys/contrib/openzfs/zfs.release.in (props changed)
Modified: head/lib/libbe/be.c
==============================================================================
--- head/lib/libbe/be.c Fri Sep 4 22:11:58 2020 (r365346)
+++ head/lib/libbe/be.c Fri Sep 4 22:25:14 2020 (r365347)
@@ -996,8 +996,11 @@ be_rename(libbe_handle_t *lbh, const char *old, const
ZFS_TYPE_FILESYSTEM)) == NULL)
return (set_error(lbh, BE_ERR_ZFSOPEN));
-
- err = zfs_rename(zfs_hdl,full_new, B_FALSE, B_FALSE);
+ /* recurse, nounmount, forceunmount */
+ struct renameflags flags = {
+ .nounmount = 1,
+ };
+ err = zfs_rename(zfs_hdl, full_new, flags);
zfs_close(zfs_hdl);
if (err != 0)
Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/conf/files Fri Sep 4 22:25:14 2020 (r365347)
@@ -206,7 +206,6 @@ contrib/openzfs/module/os/freebsd/zfs/dmu_os.c option
contrib/openzfs/module/os/freebsd/zfs/hkdf.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/os/freebsd/zfs/kmod_core.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/os/freebsd/zfs/spa_os.c optional zfs compile-with "${ZFS_C}"
-contrib/openzfs/module/os/freebsd/zfs/spa_stats.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/os/freebsd/zfs/sysctl_os.c optional zfs compile-with "${ZFS_C} -include $S/modules/zfs/zfs_config.h"
contrib/openzfs/module/os/freebsd/zfs/vdev_file.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/os/freebsd/zfs/vdev_label_os.c optional zfs compile-with "${ZFS_C}"
@@ -304,6 +303,7 @@ contrib/openzfs/module/zfs/spa_errlog.c optional zfs
contrib/openzfs/module/zfs/spa_history.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/zfs/spa_log_spacemap.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/zfs/spa_misc.c optional zfs compile-with "${ZFS_C}"
+contrib/openzfs/module/zfs/spa_stats.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/zfs/space_map.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/zfs/space_reftree.c optional zfs compile-with "${ZFS_C}"
contrib/openzfs/module/zfs/txg.c optional zfs compile-with "${ZFS_C}"
Modified: head/sys/contrib/openzfs/cmd/zfs/zfs_main.c
==============================================================================
--- head/sys/contrib/openzfs/cmd/zfs/zfs_main.c Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/cmd/zfs/zfs_main.c Fri Sep 4 22:25:14 2020 (r365347)
@@ -311,7 +311,8 @@ get_usage(zfs_help_t idx)
case HELP_RENAME:
return (gettext("\trename [-f] <filesystem|volume|snapshot> "
"<filesystem|volume|snapshot>\n"
- "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n"
+ "\trename -p [-f] <filesystem|volume> <filesystem|volume>\n"
+ "\trename -u [-f] <filesystem> <filesystem>\n"
"\trename -r <snapshot> <snapshot>\n"));
case HELP_ROLLBACK:
return (gettext("\trollback [-rRf] <snapshot>\n"));
@@ -401,7 +402,7 @@ get_usage(zfs_help_t idx)
"<-a | filesystem|volume>\n"));
case HELP_CHANGE_KEY:
return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n"
- "\t [-o keylocation=<value>] [-o pbkfd2iters=<value>]\n"
+ "\t [-o keylocation=<value>] [-o pbkdf2iters=<value>]\n"
"\t <filesystem|volume>\n"
"\tchange-key -i [-l] <filesystem|volume>\n"));
case HELP_VERSION:
@@ -3603,36 +3604,40 @@ zfs_do_list(int argc, char **argv)
}
/*
- * zfs rename [-f] <fs | snap | vol> <fs | snap | vol>
+ * zfs rename [-fu] <fs | snap | vol> <fs | snap | vol>
* zfs rename [-f] -p <fs | vol> <fs | vol>
- * zfs rename -r <snap> <snap>
+ * zfs rename [-u] -r <snap> <snap>
*
* Renames the given dataset to another of the same type.
*
* The '-p' flag creates all the non-existing ancestors of the target first.
+ * The '-u' flag prevents file systems from being remounted during rename.
*/
/* ARGSUSED */
static int
zfs_do_rename(int argc, char **argv)
{
zfs_handle_t *zhp;
+ renameflags_t flags = { 0 };
int c;
int ret = 0;
- boolean_t recurse = B_FALSE;
+ int types;
boolean_t parents = B_FALSE;
- boolean_t force_unmount = B_FALSE;
/* check options */
- while ((c = getopt(argc, argv, "prf")) != -1) {
+ while ((c = getopt(argc, argv, "pruf")) != -1) {
switch (c) {
case 'p':
parents = B_TRUE;
break;
case 'r':
- recurse = B_TRUE;
+ flags.recursive = B_TRUE;
break;
+ case 'u':
+ flags.nounmount = B_TRUE;
+ break;
case 'f':
- force_unmount = B_TRUE;
+ flags.forceunmount = B_TRUE;
break;
case '?':
default:
@@ -3661,20 +3666,32 @@ zfs_do_rename(int argc, char **argv)
usage(B_FALSE);
}
- if (recurse && parents) {
+ if (flags.recursive && parents) {
(void) fprintf(stderr, gettext("-p and -r options are mutually "
"exclusive\n"));
usage(B_FALSE);
}
- if (recurse && strchr(argv[0], '@') == 0) {
+ if (flags.nounmount && parents) {
+ (void) fprintf(stderr, gettext("-u and -p options are mutually "
+ "exclusive\n"));
+ usage(B_FALSE);
+ }
+
+ if (flags.recursive && strchr(argv[0], '@') == 0) {
(void) fprintf(stderr, gettext("source dataset for recursive "
"rename must be a snapshot\n"));
usage(B_FALSE);
}
- if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM |
- ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL)
+ if (flags.nounmount)
+ types = ZFS_TYPE_FILESYSTEM;
+ else if (parents)
+ types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
+ else
+ types = ZFS_TYPE_DATASET;
+
+ if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL)
return (1);
/* If we were asked and the name looks good, try to create ancestors. */
@@ -3684,7 +3701,7 @@ zfs_do_rename(int argc, char **argv)
return (1);
}
- ret = (zfs_rename(zhp, argv[1], recurse, force_unmount) != 0);
+ ret = (zfs_rename(zhp, argv[1], flags) != 0);
zfs_close(zhp);
return (ret);
Modified: head/sys/contrib/openzfs/config/kernel-global_page_state.m4
==============================================================================
--- head/sys/contrib/openzfs/config/kernel-global_page_state.m4 Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/config/kernel-global_page_state.m4 Fri Sep 4 22:25:14 2020 (r365347)
@@ -94,9 +94,6 @@ AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE_SANITY]
ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_FILE_PAGES])
ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_INACTIVE_ANON])
ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_INACTIVE_FILE])
- AS_IF([test -z "$ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE_B"],[
- ZFS_AC_KERNEL_GLOBAL_PAGE_STATE_ENUM_CHECK([NR_SLAB_RECLAIMABLE])
- ])
AC_MSG_RESULT(yes)
])
@@ -119,18 +116,12 @@ AC_DEFUN([ZFS_AC_KERNEL_GLOBAL_PAGE_STATE], [
[node_stat_item], [$LINUX/include/linux/mmzone.h])
ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_FILE],
[node_stat_item], [$LINUX/include/linux/mmzone.h])
- ZFS_AC_KERNEL_ENUM_MEMBER([NR_SLAB_RECLAIMABLE],
- [node_stat_item], [$LINUX/include/linux/mmzone.h])
- ZFS_AC_KERNEL_ENUM_MEMBER([NR_SLAB_RECLAIMABLE_B],
- [node_stat_item], [$LINUX/include/linux/mmzone.h])
ZFS_AC_KERNEL_ENUM_MEMBER([NR_FILE_PAGES],
[zone_stat_item], [$LINUX/include/linux/mmzone.h])
ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_ANON],
[zone_stat_item], [$LINUX/include/linux/mmzone.h])
ZFS_AC_KERNEL_ENUM_MEMBER([NR_INACTIVE_FILE],
- [zone_stat_item], [$LINUX/include/linux/mmzone.h])
- ZFS_AC_KERNEL_ENUM_MEMBER([NR_SLAB_RECLAIMABLE],
[zone_stat_item], [$LINUX/include/linux/mmzone.h])
ZFS_AC_KERNEL_GLOBAL_ZONE_PAGE_STATE_SANITY
Modified: head/sys/contrib/openzfs/config/zfs-build.m4
==============================================================================
--- head/sys/contrib/openzfs/config/zfs-build.m4 Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/config/zfs-build.m4 Fri Sep 4 22:25:14 2020 (r365347)
@@ -418,33 +418,43 @@ dnl # package type for 'make pkg': (rpm | deb | tgz)
dnl #
AC_DEFUN([ZFS_AC_DEFAULT_PACKAGE], [
AC_MSG_CHECKING([os distribution])
- if test -f /etc/toss-release ; then
- VENDOR=toss ;
- elif test -f /etc/fedora-release ; then
- VENDOR=fedora ;
- elif test -f /etc/redhat-release ; then
- VENDOR=redhat ;
- elif test -f /etc/gentoo-release ; then
- VENDOR=gentoo ;
- elif test -f /etc/arch-release ; then
- VENDOR=arch ;
- elif test -f /etc/SuSE-release ; then
- VENDOR=sles ;
- elif test -f /etc/slackware-version ; then
- VENDOR=slackware ;
- elif test -f /etc/lunar.release ; then
- VENDOR=lunar ;
- elif test -f /etc/lsb-release ; then
- VENDOR=ubuntu ;
- elif test -f /etc/debian_version ; then
- VENDOR=debian ;
- elif test -f /etc/alpine-release ; then
- VENDOR=alpine ;
- elif test -f /bin/freebsd-version ; then
- VENDOR=freebsd ;
- else
- VENDOR= ;
- fi
+ AC_ARG_WITH([vendor],
+ [AS_HELP_STRING([--with-vendor],
+ [Distribution vendor @<:@default=check@:>@])],
+ [with_vendor=$withval],
+ [with_vendor=check])
+ AS_IF([test "x$with_vendor" = "xcheck"],[
+ if test -f /etc/toss-release ; then
+ VENDOR=toss ;
+ elif test -f /etc/fedora-release ; then
+ VENDOR=fedora ;
+ elif test -f /etc/redhat-release ; then
+ VENDOR=redhat ;
+ elif test -f /etc/gentoo-release ; then
+ VENDOR=gentoo ;
+ elif test -f /etc/arch-release ; then
+ VENDOR=arch ;
+ elif test -f /etc/SuSE-release ; then
+ VENDOR=sles ;
+ elif test -f /etc/slackware-version ; then
+ VENDOR=slackware ;
+ elif test -f /etc/lunar.release ; then
+ VENDOR=lunar ;
+ elif test -f /etc/lsb-release ; then
+ VENDOR=ubuntu ;
+ elif test -f /etc/debian_version ; then
+ VENDOR=debian ;
+ elif test -f /etc/alpine-release ; then
+ VENDOR=alpine ;
+ elif test -f /bin/freebsd-version ; then
+ VENDOR=freebsd ;
+ else
+ VENDOR= ;
+ fi],
+ [ test "x${with_vendor}" != x],[
+ VENDOR="$with_vendor" ],
+ [ VENDOR= ; ]
+ )
AC_MSG_RESULT([$VENDOR])
AC_SUBST(VENDOR)
Modified: head/sys/contrib/openzfs/etc/systemd/system-generators/zfs-mount-generator.in
==============================================================================
--- head/sys/contrib/openzfs/etc/systemd/system-generators/zfs-mount-generator.in Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/etc/systemd/system-generators/zfs-mount-generator.in Fri Sep 4 22:25:14 2020 (r365347)
@@ -38,8 +38,6 @@ do_fail() {
is_known() {
query="$1"
IFS=' '
- # protect against special characters
- set -f
for element in $2 ; do
if [ "$query" = "$element" ] ; then
return 0
@@ -54,8 +52,7 @@ is_known() {
create_dependencies() {
unitfile="$1"
suffix="$2"
- # protect against special characters
- set -f
+ IFS=' '
for target in $3 ; do
target_dir="${dest_norm}/${target}.${suffix}/"
mkdir -p "${target_dir}"
@@ -72,6 +69,7 @@ else
do_fail "zero or three arguments required"
fi
+pools=$(zpool list -H -o name || true)
# All needed information about each ZFS is available from
# zfs list -H -t filesystem -o <properties>
@@ -83,11 +81,11 @@ process_line() {
# zfs list -H -o name,...
# fields are tab separated
IFS="$(printf '\t')"
- # protect against special characters in, e.g., mountpoints
- set -f
# shellcheck disable=SC2086
set -- $1
+
dataset="${1}"
+ pool="${dataset%%/*}"
p_mountpoint="${2}"
p_canmount="${3}"
p_atime="${4}"
@@ -120,6 +118,25 @@ process_line() {
requiredby=""
noauto="off"
+ # If the pool is already imported, zfs-import.target is not needed. This
+ # avoids a dependency loop on root-on-ZFS systems:
+ # systemd-random-seed.service After (via RequiresMountsFor) var-lib.mount
+ # After zfs-import.target After zfs-import-{cache,scan}.service After
+ # cryptsetup.service After systemd-random-seed.service.
+ #
+ # Pools are newline-separated and may contain spaces in their names.
+ # There is no better portable way to set IFS to just a newline. Using
+ # $(printf '\n') doesn't work because $(...) strips trailing newlines.
+ IFS="
+"
+ for p in $pools ; do
+ if [ "$p" = "$pool" ] ; then
+ after=""
+ wants=""
+ break
+ fi
+ done
+
if [ -n "${p_systemd_after}" ] && \
[ "${p_systemd_after}" != "-" ] ; then
after="${p_systemd_after} ${after}"
@@ -204,6 +221,10 @@ ${keymountdep}
[Service]
Type=oneshot
RemainAfterExit=yes
+# This avoids a dependency loop involving systemd-journald.socket if this
+# dataset is a parent of the root filesystem.
+StandardOutput=null
+StandardError=null
ExecStart=${keyloadcmd}
ExecStop=${keyunloadcmd}" > "${dest_norm}/${keyloadunit}"
fi
@@ -438,6 +459,8 @@ Options=defaults${opts},zfsutil" > "${dest_norm}/${mou
}
for cachefile in "${FSLIST}/"* ; do
+ # Disable glob expansion to protect against special characters when parsing.
+ set -f
# Sort cachefile's lines by canmount, "on" before "noauto"
# and feed each line into process_line
sort -t "$(printf '\t')" -k 3 -r "${cachefile}" | \
Modified: head/sys/contrib/openzfs/etc/systemd/system/zfs-mount.service.in
==============================================================================
--- head/sys/contrib/openzfs/etc/systemd/system/zfs-mount.service.in Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/etc/systemd/system/zfs-mount.service.in Fri Sep 4 22:25:14 2020 (r365347)
@@ -6,7 +6,6 @@ After=systemd-udev-settle.service
After=zfs-import.target
After=systemd-remount-fs.service
Before=local-fs.target
-Before=systemd-random-seed.service
ConditionPathIsDirectory=/sys/module/zfs
[Service]
Modified: head/sys/contrib/openzfs/include/libzfs.h
==============================================================================
--- head/sys/contrib/openzfs/include/libzfs.h Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/libzfs.h Fri Sep 4 22:25:14 2020 (r365347)
@@ -642,7 +642,19 @@ extern int zfs_snapshot(libzfs_handle_t *, const char
extern int zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps,
nvlist_t *props);
extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
-extern int zfs_rename(zfs_handle_t *, const char *, boolean_t, boolean_t);
+
+typedef struct renameflags {
+ /* recursive rename */
+ int recursive : 1;
+
+ /* don't unmount file systems */
+ int nounmount : 1;
+
+ /* force unmount file systems */
+ int forceunmount : 1;
+} renameflags_t;
+
+extern int zfs_rename(zfs_handle_t *, const char *, renameflags_t);
typedef struct sendflags {
/* Amount of extra information to print. */
Modified: head/sys/contrib/openzfs/include/libzfs_impl.h
==============================================================================
--- head/sys/contrib/openzfs/include/libzfs_impl.h Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/libzfs_impl.h Fri Sep 4 22:25:14 2020 (r365347)
@@ -166,6 +166,10 @@ int zprop_expand_list(libzfs_handle_t *hdl, zprop_list
* changelist_gather() flag to force it to iterate on mounted datasets only
*/
#define CL_GATHER_ITER_MOUNTED 2
+/*
+ * Use this changelist_gather() flag to prevent unmounting of file systems.
+ */
+#define CL_GATHER_DONT_UNMOUNT 4
typedef struct prop_changelist prop_changelist_t;
Modified: head/sys/contrib/openzfs/include/os/freebsd/spl/sys/cred.h
==============================================================================
--- head/sys/contrib/openzfs/include/os/freebsd/spl/sys/cred.h Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/os/freebsd/spl/sys/cred.h Fri Sep 4 22:25:14 2020 (r365347)
@@ -93,7 +93,7 @@ extern cred_t *zone_kcred(void);
extern gid_t crgetrgid(const cred_t *);
extern gid_t crgetsgid(const cred_t *);
-#define crgetzoneid(x) (0)
+#define crgetzoneid(cr) ((cr)->cr_prison->pr_id)
extern projid_t crgetprojid(const cred_t *);
extern cred_t *crgetmapped(const cred_t *);
Modified: head/sys/contrib/openzfs/include/os/freebsd/spl/sys/zone.h
==============================================================================
--- head/sys/contrib/openzfs/include/os/freebsd/spl/sys/zone.h Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/os/freebsd/spl/sys/zone.h Fri Sep 4 22:25:14 2020 (r365347)
@@ -29,6 +29,8 @@
#ifndef _OPENSOLARIS_SYS_ZONE_H_
#define _OPENSOLARIS_SYS_ZONE_H_
+#include <sys/jail.h>
+
/*
* Macros to help with zone visibility restrictions.
*/
@@ -36,12 +38,9 @@
#define GLOBAL_ZONEID 0
/*
- * Is thread in the global zone?
+ * Is proc in the global zone?
*/
-#define INGLOBALZONE(p) in_globalzone((p))
-
-
-extern boolean_t in_globalzone(struct proc *);
+#define INGLOBALZONE(proc) (!jailed((proc)->p_ucred))
/*
* Attach the given dataset to the given jail.
Modified: head/sys/contrib/openzfs/include/os/freebsd/zfs/sys/Makefile.am
==============================================================================
--- head/sys/contrib/openzfs/include/os/freebsd/zfs/sys/Makefile.am Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/os/freebsd/zfs/sys/Makefile.am Fri Sep 4 22:25:14 2020 (r365347)
@@ -6,7 +6,7 @@ KERNEL_H = \
zfs_ctldir.h \
zfs_dir.h \
zfs_ioctl_compat.h \
- zfs_vfsops.h \
+ zfs_vfsops_os.h \
zfs_vnops.h \
zfs_znode_impl.h \
zpl.h
Copied: head/sys/contrib/openzfs/include/os/freebsd/zfs/sys/zfs_vfsops_os.h (from r365345, vendor-sys/openzfs/dist/include/os/freebsd/zfs/sys/zfs_vfsops_os.h)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/contrib/openzfs/include/os/freebsd/zfs/sys/zfs_vfsops_os.h Fri Sep 4 22:25:14 2020 (r365347, copy of r365345, vendor-sys/openzfs/dist/include/os/freebsd/zfs/sys/zfs_vfsops_os.h)
@@ -0,0 +1,176 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * 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.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011 Pawel Jakub Dawidek <pawel at dawidek.net>.
+ * All rights reserved.
+ */
+
+#ifndef _SYS_FS_ZFS_VFSOPS_H
+#define _SYS_FS_ZFS_VFSOPS_H
+
+#include <sys/dataset_kstats.h>
+#include <sys/list.h>
+#include <sys/vfs.h>
+#include <sys/zil.h>
+#include <sys/sa.h>
+#include <sys/rrwlock.h>
+#include <sys/zfs_ioctl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct zfsvfs zfsvfs_t;
+struct znode;
+
+struct zfsvfs {
+ vfs_t *z_vfs; /* generic fs struct */
+ zfsvfs_t *z_parent; /* parent fs */
+ objset_t *z_os; /* objset reference */
+ uint64_t z_flags; /* super_block flags */
+ uint64_t z_root; /* id of root znode */
+ uint64_t z_unlinkedobj; /* id of unlinked zapobj */
+ uint64_t z_max_blksz; /* maximum block size for files */
+ uint64_t z_fuid_obj; /* fuid table object number */
+ uint64_t z_fuid_size; /* fuid table size */
+ avl_tree_t z_fuid_idx; /* fuid tree keyed by index */
+ avl_tree_t z_fuid_domain; /* fuid tree keyed by domain */
+ krwlock_t z_fuid_lock; /* fuid lock */
+ boolean_t z_fuid_loaded; /* fuid tables are loaded */
+ boolean_t z_fuid_dirty; /* need to sync fuid table ? */
+ struct zfs_fuid_info *z_fuid_replay; /* fuid info for replay */
+ zilog_t *z_log; /* intent log pointer */
+ uint_t z_acl_mode; /* acl chmod/mode behavior */
+ uint_t z_acl_inherit; /* acl inheritance behavior */
+ zfs_case_t z_case; /* case-sense */
+ boolean_t z_utf8; /* utf8-only */
+ int z_norm; /* normalization flags */
+ boolean_t z_atime; /* enable atimes mount option */
+ boolean_t z_unmounted; /* unmounted */
+ rrmlock_t z_teardown_lock;
+ krwlock_t z_teardown_inactive_lock;
+ list_t z_all_znodes; /* all vnodes in the fs */
+ uint64_t z_nr_znodes; /* number of znodes in the fs */
+ kmutex_t z_znodes_lock; /* lock for z_all_znodes */
+ struct zfsctl_root *z_ctldir; /* .zfs directory pointer */
+ boolean_t z_show_ctldir; /* expose .zfs in the root dir */
+ boolean_t z_issnap; /* true if this is a snapshot */
+ boolean_t z_vscan; /* virus scan on/off */
+ boolean_t z_use_fuids; /* version allows fuids */
+ boolean_t z_replay; /* set during ZIL replay */
+ boolean_t z_use_sa; /* version allow system attributes */
+ boolean_t z_xattr_sa; /* allow xattrs to be stores as SA */
+ boolean_t z_use_namecache; /* make use of FreeBSD name cache */
+ uint8_t z_xattr; /* xattr type in use */
+ uint64_t z_version; /* ZPL version */
+ uint64_t z_shares_dir; /* hidden shares dir */
+ dataset_kstats_t z_kstat; /* fs kstats */
+ kmutex_t z_lock;
+ uint64_t z_userquota_obj;
+ uint64_t z_groupquota_obj;
+ uint64_t z_userobjquota_obj;
+ uint64_t z_groupobjquota_obj;
+ uint64_t z_projectquota_obj;
+ uint64_t z_projectobjquota_obj;
+ uint64_t z_replay_eof; /* New end of file - replay only */
+ sa_attr_type_t *z_attr_table; /* SA attr mapping->id */
+#define ZFS_OBJ_MTX_SZ 64
+ kmutex_t z_hold_mtx[ZFS_OBJ_MTX_SZ]; /* znode hold locks */
+ struct task z_unlinked_drain_task;
+};
+
+#define ZSB_XATTR 0x0001 /* Enable user xattrs */
+/*
+ * Normal filesystems (those not under .zfs/snapshot) have a total
+ * file ID size limited to 12 bytes (including the length field) due to
+ * NFSv2 protocol's limitation of 32 bytes for a filehandle. For historical
+ * reasons, this same limit is being imposed by the Solaris NFSv3 implementation
+ * (although the NFSv3 protocol actually permits a maximum of 64 bytes). It
+ * is not possible to expand beyond 12 bytes without abandoning support
+ * of NFSv2.
+ *
+ * For normal filesystems, we partition up the available space as follows:
+ * 2 bytes fid length (required)
+ * 6 bytes object number (48 bits)
+ * 4 bytes generation number (32 bits)
+ *
+ * We reserve only 48 bits for the object number, as this is the limit
+ * currently defined and imposed by the DMU.
+ */
+typedef struct zfid_short {
+ uint16_t zf_len;
+ uint8_t zf_object[6]; /* obj[i] = obj >> (8 * i) */
+ uint8_t zf_gen[4]; /* gen[i] = gen >> (8 * i) */
+} zfid_short_t;
+
+/*
+ * Filesystems under .zfs/snapshot have a total file ID size of 22[*] bytes
+ * (including the length field). This makes files under .zfs/snapshot
+ * accessible by NFSv3 and NFSv4, but not NFSv2.
+ *
+ * For files under .zfs/snapshot, we partition up the available space
+ * as follows:
+ * 2 bytes fid length (required)
+ * 6 bytes object number (48 bits)
+ * 4 bytes generation number (32 bits)
+ * 6 bytes objset id (48 bits)
+ * 4 bytes[**] currently just zero (32 bits)
+ *
+ * We reserve only 48 bits for the object number and objset id, as these are
+ * the limits currently defined and imposed by the DMU.
+ *
+ * [*] 20 bytes on FreeBSD to fit into the size of struct fid.
+ * [**] 2 bytes on FreeBSD for the above reason.
+ */
+typedef struct zfid_long {
+ zfid_short_t z_fid;
+ uint8_t zf_setid[6]; /* obj[i] = obj >> (8 * i) */
+ uint8_t zf_setgen[2]; /* gen[i] = gen >> (8 * i) */
+} zfid_long_t;
+
+#define SHORT_FID_LEN (sizeof (zfid_short_t) - sizeof (uint16_t))
+#define LONG_FID_LEN (sizeof (zfid_long_t) - sizeof (uint16_t))
+
+extern uint_t zfs_fsyncer_key;
+extern int zfs_super_owner;
+
+extern void zfs_init(void);
+extern void zfs_fini(void);
+
+extern int zfs_suspend_fs(zfsvfs_t *zfsvfs);
+extern int zfs_resume_fs(zfsvfs_t *zfsvfs, struct dsl_dataset *ds);
+extern int zfs_end_fs(zfsvfs_t *zfsvfs, struct dsl_dataset *ds);
+extern int zfs_set_version(zfsvfs_t *zfsvfs, uint64_t newvers);
+extern int zfsvfs_create(const char *name, boolean_t readonly, zfsvfs_t **zfvp);
+extern int zfsvfs_create_impl(zfsvfs_t **zfvp, zfsvfs_t *zfsvfs, objset_t *os);
+extern void zfsvfs_free(zfsvfs_t *zfsvfs);
+extern int zfs_check_global_label(const char *dsname, const char *hexsl);
+extern boolean_t zfs_is_readonly(zfsvfs_t *zfsvfs);
+extern int zfs_get_temporary_prop(struct dsl_dataset *ds, zfs_prop_t zfs_prop,
+ uint64_t *val, char *setpoint);
+extern int zfs_busy(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_FS_ZFS_VFSOPS_H */
Modified: head/sys/contrib/openzfs/include/os/linux/kernel/linux/page_compat.h
==============================================================================
--- head/sys/contrib/openzfs/include/os/linux/kernel/linux/page_compat.h Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/os/linux/kernel/linux/page_compat.h Fri Sep 4 22:25:14 2020 (r365347)
@@ -35,16 +35,6 @@
#else
#define nr_inactive_file_pages() global_zone_page_state(NR_INACTIVE_FILE)
#endif
-#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE_B)
-#define nr_slab_reclaimable_pages() \
- global_node_page_state(NR_SLAB_RECLAIMABLE_B)
-#else
-#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE)
-#define nr_slab_reclaimable_pages() global_node_page_state(NR_SLAB_RECLAIMABLE)
-#else
-#define nr_slab_reclaimable_pages() global_zone_page_state(NR_SLAB_RECLAIMABLE)
-#endif
-#endif
#elif defined(ZFS_GLOBAL_NODE_PAGE_STATE)
@@ -64,16 +54,6 @@
#else
#define nr_inactive_file_pages() global_page_state(NR_INACTIVE_FILE)
#endif
-#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE_B)
-#define nr_slab_reclaimable_pages() \
- global_node_page_state(NR_SLAB_RECLAIMABLE_B)
-#else
-#if defined(ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE)
-#define nr_slab_reclaimable_pages() global_node_page_state(NR_SLAB_RECLAIMABLE)
-#else
-#define nr_slab_reclaimable_pages() global_page_state(NR_SLAB_RECLAIMABLE)
-#endif
-#endif
#else
@@ -81,11 +61,6 @@
#define nr_file_pages() global_page_state(NR_FILE_PAGES)
#define nr_inactive_anon_pages() global_page_state(NR_INACTIVE_ANON)
#define nr_inactive_file_pages() global_page_state(NR_INACTIVE_FILE)
-#ifdef ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE_B
-#define nr_slab_reclaimable_pages() global_page_state(NR_SLAB_RECLAIMABLE_B)
-#else
-#define nr_slab_reclaimable_pages() global_page_state(NR_SLAB_RECLAIMABLE)
-#endif /* ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE_B */
#endif /* ZFS_GLOBAL_ZONE_PAGE_STATE */
Modified: head/sys/contrib/openzfs/include/os/linux/spl/sys/vmsystm.h
==============================================================================
--- head/sys/contrib/openzfs/include/os/linux/spl/sys/vmsystm.h Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/os/linux/spl/sys/vmsystm.h Fri Sep 4 22:25:14 2020 (r365347)
@@ -47,17 +47,6 @@
#define membar_producer() smp_wmb()
#define physmem zfs_totalram_pages
-#ifdef ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE_B
-#define freemem (nr_free_pages() + \
- global_page_state(NR_INACTIVE_FILE) + \
- global_page_state(NR_INACTIVE_ANON) + \
- global_page_state(NR_SLAB_RECLAIMABLE_B))
-#else
-#define freemem (nr_free_pages() + \
- global_page_state(NR_INACTIVE_FILE) + \
- global_page_state(NR_INACTIVE_ANON) + \
- global_page_state(NR_SLAB_RECLAIMABLE))
-#endif /* ZFS_ENUM_NODE_STAT_ITEM_NR_SLAB_RECLAIMABLE_B */
#define xcopyin(from, to, size) copy_from_user(to, from, size)
#define xcopyout(from, to, size) copy_to_user(to, from, size)
Modified: head/sys/contrib/openzfs/include/os/linux/zfs/sys/Makefile.am
==============================================================================
--- head/sys/contrib/openzfs/include/os/linux/zfs/sys/Makefile.am Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/os/linux/zfs/sys/Makefile.am Fri Sep 4 22:25:14 2020 (r365347)
@@ -19,7 +19,7 @@ KERNEL_H = \
zfs_context_os.h \
zfs_ctldir.h \
zfs_dir.h \
- zfs_vfsops.h \
+ zfs_vfsops_os.h \
zfs_vnops.h \
zfs_znode_impl.h \
zpl.h
Copied: head/sys/contrib/openzfs/include/os/linux/zfs/sys/zfs_vfsops_os.h (from r365345, vendor-sys/openzfs/dist/include/os/linux/zfs/sys/zfs_vfsops_os.h)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/contrib/openzfs/include/os/linux/zfs/sys/zfs_vfsops_os.h Fri Sep 4 22:25:14 2020 (r365347, copy of r365345, vendor-sys/openzfs/dist/include/os/linux/zfs/sys/zfs_vfsops_os.h)
@@ -0,0 +1,227 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * 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.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018 by Delphix. All rights reserved.
+ */
+
+#ifndef _SYS_FS_ZFS_VFSOPS_H
+#define _SYS_FS_ZFS_VFSOPS_H
+
+#include <sys/dataset_kstats.h>
+#include <sys/isa_defs.h>
+#include <sys/types32.h>
+#include <sys/list.h>
+#include <sys/vfs.h>
+#include <sys/zil.h>
+#include <sys/sa.h>
+#include <sys/rrwlock.h>
+#include <sys/dsl_dataset.h>
+#include <sys/zfs_ioctl.h>
+#include <sys/objlist.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct zfsvfs zfsvfs_t;
+struct znode;
+
+/*
+ * This structure emulates the vfs_t from other platforms. It's purpose
+ * is to facilitate the handling of mount options and minimize structural
+ * differences between the platforms.
+ */
+typedef struct vfs {
+ struct zfsvfs *vfs_data;
+ char *vfs_mntpoint; /* Primary mount point */
+ uint64_t vfs_xattr;
+ boolean_t vfs_readonly;
+ boolean_t vfs_do_readonly;
+ boolean_t vfs_setuid;
+ boolean_t vfs_do_setuid;
+ boolean_t vfs_exec;
+ boolean_t vfs_do_exec;
+ boolean_t vfs_devices;
+ boolean_t vfs_do_devices;
+ boolean_t vfs_do_xattr;
+ boolean_t vfs_atime;
+ boolean_t vfs_do_atime;
+ boolean_t vfs_relatime;
+ boolean_t vfs_do_relatime;
+ boolean_t vfs_nbmand;
+ boolean_t vfs_do_nbmand;
+} vfs_t;
+
+typedef struct zfs_mnt {
+ const char *mnt_osname; /* Objset name */
+ char *mnt_data; /* Raw mount options */
+} zfs_mnt_t;
+
+struct zfsvfs {
+ vfs_t *z_vfs; /* generic fs struct */
+ struct super_block *z_sb; /* generic super_block */
+ struct zfsvfs *z_parent; /* parent fs */
+ objset_t *z_os; /* objset reference */
+ uint64_t z_flags; /* super_block flags */
+ uint64_t z_root; /* id of root znode */
+ uint64_t z_unlinkedobj; /* id of unlinked zapobj */
+ uint64_t z_max_blksz; /* maximum block size for files */
+ uint64_t z_fuid_obj; /* fuid table object number */
+ uint64_t z_fuid_size; /* fuid table size */
+ avl_tree_t z_fuid_idx; /* fuid tree keyed by index */
+ avl_tree_t z_fuid_domain; /* fuid tree keyed by domain */
+ krwlock_t z_fuid_lock; /* fuid lock */
+ boolean_t z_fuid_loaded; /* fuid tables are loaded */
+ boolean_t z_fuid_dirty; /* need to sync fuid table ? */
+ struct zfs_fuid_info *z_fuid_replay; /* fuid info for replay */
+ zilog_t *z_log; /* intent log pointer */
+ uint_t z_acl_mode; /* acl chmod/mode behavior */
+ uint_t z_acl_inherit; /* acl inheritance behavior */
+ uint_t z_acl_type; /* type of ACL usable on this FS */
+ zfs_case_t z_case; /* case-sense */
+ boolean_t z_utf8; /* utf8-only */
+ int z_norm; /* normalization flags */
+ boolean_t z_relatime; /* enable relatime mount option */
+ boolean_t z_unmounted; /* unmounted */
+ rrmlock_t z_teardown_lock;
+ krwlock_t z_teardown_inactive_lock;
+ list_t z_all_znodes; /* all znodes in the fs */
+ uint64_t z_nr_znodes; /* number of znodes in the fs */
+ unsigned long z_rollback_time; /* last online rollback time */
+ unsigned long z_snap_defer_time; /* last snapshot unmount deferral */
+ kmutex_t z_znodes_lock; /* lock for z_all_znodes */
+ arc_prune_t *z_arc_prune; /* called by ARC to prune caches */
+ struct inode *z_ctldir; /* .zfs directory inode */
+ boolean_t z_show_ctldir; /* expose .zfs in the root dir */
+ boolean_t z_issnap; /* true if this is a snapshot */
+ boolean_t z_vscan; /* virus scan on/off */
+ boolean_t z_use_fuids; /* version allows fuids */
+ boolean_t z_replay; /* set during ZIL replay */
+ boolean_t z_use_sa; /* version allow system attributes */
+ boolean_t z_xattr_sa; /* allow xattrs to be stores as SA */
+ boolean_t z_draining; /* is true when drain is active */
+ boolean_t z_drain_cancel; /* signal the unlinked drain to stop */
+ uint64_t z_version; /* ZPL version */
+ uint64_t z_shares_dir; /* hidden shares dir */
+ dataset_kstats_t z_kstat; /* fs kstats */
+ kmutex_t z_lock;
+ uint64_t z_userquota_obj;
+ uint64_t z_groupquota_obj;
+ uint64_t z_userobjquota_obj;
+ uint64_t z_groupobjquota_obj;
+ uint64_t z_projectquota_obj;
+ uint64_t z_projectobjquota_obj;
+ uint64_t z_replay_eof; /* New end of file - replay only */
+ sa_attr_type_t *z_attr_table; /* SA attr mapping->id */
+ uint64_t z_hold_size; /* znode hold array size */
+ avl_tree_t *z_hold_trees; /* znode hold trees */
+ kmutex_t *z_hold_locks; /* znode hold locks */
+ taskqid_t z_drain_task; /* task id for the unlink drain task */
+};
+
+#define ZSB_XATTR 0x0001 /* Enable user xattrs */
+
+/*
+ * Allow a maximum number of links. While ZFS does not internally limit
+ * this the inode->i_nlink member is defined as an unsigned int. To be
+ * safe we use 2^31-1 as the limit.
+ */
+#define ZFS_LINK_MAX ((1U << 31) - 1U)
+
+/*
+ * Normal filesystems (those not under .zfs/snapshot) have a total
+ * file ID size limited to 12 bytes (including the length field) due to
+ * NFSv2 protocol's limitation of 32 bytes for a filehandle. For historical
+ * reasons, this same limit is being imposed by the Solaris NFSv3 implementation
+ * (although the NFSv3 protocol actually permits a maximum of 64 bytes). It
+ * is not possible to expand beyond 12 bytes without abandoning support
+ * of NFSv2.
+ *
+ * For normal filesystems, we partition up the available space as follows:
+ * 2 bytes fid length (required)
+ * 6 bytes object number (48 bits)
+ * 4 bytes generation number (32 bits)
+ *
+ * We reserve only 48 bits for the object number, as this is the limit
+ * currently defined and imposed by the DMU.
+ */
+typedef struct zfid_short {
+ uint16_t zf_len;
+ uint8_t zf_object[6]; /* obj[i] = obj >> (8 * i) */
+ uint8_t zf_gen[4]; /* gen[i] = gen >> (8 * i) */
+} zfid_short_t;
+
+/*
+ * Filesystems under .zfs/snapshot have a total file ID size of 22 bytes
+ * (including the length field). This makes files under .zfs/snapshot
+ * accessible by NFSv3 and NFSv4, but not NFSv2.
+ *
+ * For files under .zfs/snapshot, we partition up the available space
+ * as follows:
+ * 2 bytes fid length (required)
+ * 6 bytes object number (48 bits)
+ * 4 bytes generation number (32 bits)
+ * 6 bytes objset id (48 bits)
+ * 4 bytes currently just zero (32 bits)
+ *
+ * We reserve only 48 bits for the object number and objset id, as these are
+ * the limits currently defined and imposed by the DMU.
+ */
+typedef struct zfid_long {
+ zfid_short_t z_fid;
+ uint8_t zf_setid[6]; /* obj[i] = obj >> (8 * i) */
+ uint8_t zf_setgen[4]; /* gen[i] = gen >> (8 * i) */
+} zfid_long_t;
+
+#define SHORT_FID_LEN (sizeof (zfid_short_t) - sizeof (uint16_t))
+#define LONG_FID_LEN (sizeof (zfid_long_t) - sizeof (uint16_t))
+
+extern void zfs_init(void);
+extern void zfs_fini(void);
+
+extern int zfs_suspend_fs(zfsvfs_t *zfsvfs);
+extern int zfs_resume_fs(zfsvfs_t *zfsvfs, struct dsl_dataset *ds);
+extern int zfs_end_fs(zfsvfs_t *zfsvfs, struct dsl_dataset *ds);
+extern void zfs_exit_fs(zfsvfs_t *zfsvfs);
+extern int zfs_set_version(zfsvfs_t *zfsvfs, uint64_t newvers);
+extern int zfsvfs_create(const char *name, boolean_t readony, zfsvfs_t **zfvp);
+extern int zfsvfs_create_impl(zfsvfs_t **zfvp, zfsvfs_t *zfsvfs, objset_t *os);
+extern void zfsvfs_free(zfsvfs_t *zfsvfs);
+extern int zfs_check_global_label(const char *dsname, const char *hexsl);
+
+extern boolean_t zfs_is_readonly(zfsvfs_t *zfsvfs);
+extern int zfs_domount(struct super_block *sb, zfs_mnt_t *zm, int silent);
+extern void zfs_preumount(struct super_block *sb);
+extern int zfs_umount(struct super_block *sb);
+extern int zfs_remount(struct super_block *sb, int *flags, zfs_mnt_t *zm);
+extern int zfs_statvfs(struct inode *ip, struct kstatfs *statp);
+extern int zfs_vget(struct super_block *sb, struct inode **ipp, fid_t *fidp);
+extern int zfs_prune(struct super_block *sb, unsigned long nr_to_scan,
+ int *objects);
+extern int zfs_get_temporary_prop(dsl_dataset_t *ds, zfs_prop_t zfs_prop,
+ uint64_t *val, char *setpoint);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_FS_ZFS_VFSOPS_H */
Modified: head/sys/contrib/openzfs/include/sys/Makefile.am
==============================================================================
--- head/sys/contrib/openzfs/include/sys/Makefile.am Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/include/sys/Makefile.am Fri Sep 4 22:25:14 2020 (r365347)
@@ -115,6 +115,7 @@ COMMON_H = \
zfs_sa.h \
zfs_stat.h \
zfs_sysfs.h \
+ zfs_vfsops.h \
zfs_znode.h \
zil.h \
zil_impl.h \
Copied: head/sys/contrib/openzfs/include/sys/zfs_vfsops.h (from r365345, vendor-sys/openzfs/dist/include/sys/zfs_vfsops.h)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/contrib/openzfs/include/sys/zfs_vfsops.h Fri Sep 4 22:25:14 2020 (r365347, copy of r365345, vendor-sys/openzfs/dist/include/sys/zfs_vfsops.h)
@@ -0,0 +1,35 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * 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.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Portions Copyright 2020 iXsystems, Inc.
+ */
+
+#ifndef _SYS_ZFS_VFSOPS_H
+#define _SYS_ZFS_VFSOPS_H
+
+#ifdef _KERNEL
+#include <sys/zfs_vfsops_os.h>
+#endif
+
+extern void zfsvfs_update_fromname(const char *, const char *);
+
+#endif /* _SYS_ZFS_VFSOPS_H */
Modified: head/sys/contrib/openzfs/lib/libspl/Makefile.am
==============================================================================
--- head/sys/contrib/openzfs/lib/libspl/Makefile.am Fri Sep 4 22:11:58 2020 (r365346)
+++ head/sys/contrib/openzfs/lib/libspl/Makefile.am Fri Sep 4 22:25:14 2020 (r365347)
@@ -27,7 +27,6 @@ USER_C = \
strlcat.c \
strlcpy.c \
timestamp.c \
- zone.c \
include/sys/list.h \
include/sys/list_impl.h
@@ -35,7 +34,8 @@ if BUILD_LINUX
USER_C += \
os/linux/getexecname.c \
os/linux/gethostid.c \
- os/linux/getmntany.c
+ os/linux/getmntany.c \
+ os/linux/zone.c
endif
if BUILD_FREEBSD
@@ -43,7 +43,8 @@ USER_C += \
os/freebsd/getexecname.c \
os/freebsd/gethostid.c \
os/freebsd/getmntany.c \
- os/freebsd/mnttab.c
+ os/freebsd/mnttab.c \
+ os/freebsd/zone.c
endif
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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