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Index: head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
===================================================================
--- head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
+++ head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
@@ -32,7 +32,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd October 16, 2019
+.Dd February 16, 2020
.Dt ZFS 8
.Os
.Sh NAME
@@ -201,12 +201,12 @@
.Fl t Ar receive_resume_token
.Nm
.Cm receive Ns | Ns Cm recv
-.Op Fl vnsFu
+.Op Fl vnsFMu
.Op Fl o Sy origin Ns = Ns Ar snapshot
.Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot
.Nm
.Cm receive Ns | Ns Cm recv
-.Op Fl vnsFu
+.Op Fl vnsFMu
.Op Fl d | e
.Op Fl o Sy origin Ns = Ns Ar snapshot
.Ar filesystem
@@ -2909,14 +2909,14 @@
.It Xo
.Nm
.Cm receive Ns | Ns Cm recv
-.Op Fl vnsFu
+.Op Fl vnsFMu
.Op Fl o Sy origin Ns = Ns Ar snapshot
.Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot
.Xc
.It Xo
.Nm
.Cm receive Ns | Ns Cm recv
-.Op Fl vnsFu
+.Op Fl vnsFMu
.Op Fl d | e
.Op Fl o Sy origin Ns = Ns Ar snapshot
.Ar filesystem
@@ -3016,6 +3016,9 @@
stream (for example, one generated by
.Qq Nm Cm send Fl R Bro Fl i | Fl I Brc ) ,
destroy snapshots and file systems that do not exist on the sending side.
+.It Fl M
+Force an unmount of the file system while receiving a snapshot.
+This option is not supported on Linux.
.It Fl s
If the receive is interrupted, save the partially received state, rather
than deleting it. Interruption may be due to premature termination of
Index: head/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
===================================================================
--- head/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
+++ head/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
@@ -274,9 +274,9 @@
case HELP_PROMOTE:
return (gettext("\tpromote <clone-filesystem>\n"));
case HELP_RECEIVE:
- return (gettext("\treceive|recv [-vnsFu] <filesystem|volume|"
+ return (gettext("\treceive|recv [-vnsFMu] <filesystem|volume|"
"snapshot>\n"
- "\treceive|recv [-vnsFu] [-o origin=<snapshot>] [-d | -e] "
+ "\treceive|recv [-vnsFMu] [-o origin=<snapshot>] [-d | -e] "
"<filesystem>\n"
"\treceive|recv -A <filesystem|volume>\n"));
case HELP_RENAME:
@@ -4078,7 +4078,7 @@
nomem();
/* check options */
- while ((c = getopt(argc, argv, ":o:denuvFsA")) != -1) {
+ while ((c = getopt(argc, argv, ":o:denuvMFsA")) != -1) {
switch (c) {
case 'o':
if (parseprop(props, optarg) != 0)
@@ -4105,6 +4105,9 @@
break;
case 'F':
flags.force = B_TRUE;
+ break;
+ case 'M':
+ flags.forceunmount = B_TRUE;
break;
case 'A':
abort_resumable = B_TRUE;
Index: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
===================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
+++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
@@ -737,6 +737,9 @@
/* do not mount file systems as they are extracted (private) */
boolean_t nomount;
+
+ /* force unmount while recv snapshot (private) */
+ boolean_t forceunmount;
} recvflags_t;
extern int zfs_receive(libzfs_handle_t *, const char *, nvlist_t *,
Index: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
===================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
+++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
@@ -2913,7 +2913,8 @@
ZFS_TYPE_FILESYSTEM);
if (zhp != NULL) {
clp = changelist_gather(zhp,
- ZFS_PROP_MOUNTPOINT, 0, 0);
+ ZFS_PROP_MOUNTPOINT, 0,
+ flags->forceunmount ? MS_FORCE : 0);
zfs_close(zhp);
if (clp != NULL) {
softerr |=
@@ -3435,7 +3436,8 @@
if (!flags->dryrun && zhp->zfs_type == ZFS_TYPE_FILESYSTEM &&
stream_wantsnewfs) {
/* We can't do online recv in this case */
- clp = changelist_gather(zhp, ZFS_PROP_NAME, 0, 0);
+ clp = changelist_gather(zhp, ZFS_PROP_NAME, 0,
+ flags->forceunmount ? MS_FORCE : 0);
if (clp == NULL) {
zfs_close(zhp);
zcmd_free_nvlists(&zc);
@@ -3881,6 +3883,7 @@
int cleanup_fd;
uint64_t action_handle = 0;
char *originsnap = NULL;
+
if (props) {
err = nvlist_lookup_string(props, "origin", &originsnap);
if (err && err != ENOENT)
@@ -3902,7 +3905,8 @@
zhp = zfs_open(hdl, top_zfs, ZFS_TYPE_FILESYSTEM);
if (zhp != NULL) {
clp = changelist_gather(zhp, ZFS_PROP_MOUNTPOINT,
- CL_GATHER_MOUNT_ALWAYS, 0);
+ CL_GATHER_MOUNT_ALWAYS,
+ flags->forceunmount ? MS_FORCE : 0);
zfs_close(zhp);
if (clp != NULL) {
/* mount and share received datasets */

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