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Add FreeBSD jail support hooks

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Add the 'zfs jail/unjail' subcommands along with the relevant 
documentation from FreeBSD.  This feature is not supported on
Linux and still requires the match kernel ioctls which will
be included when the FreeBSD platform code is integrated.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9686
This commit is contained in:
Matthew Macy
2019-12-11 11:58:37 -08:00
committed by Brian Behlendorf
parent 657ce25357
commit 4bc721965f
11 changed files with 254 additions and 9 deletions
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module/zfs/dsl_dir.c
+3 -1
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@@ -743,6 +743,7 @@ dsl_enforce_ds_ss_limits(dsl_dir_t *dd, zfs_prop_t prop, cred_t *cr)
uint64_t obj;
dsl_dataset_t *ds;
uint64_t zoned;
const char *zonedstr;
ASSERT(prop == ZFS_PROP_FILESYSTEM_LIMIT ||
prop == ZFS_PROP_SNAPSHOT_LIMIT);
@@ -763,7 +764,8 @@ dsl_enforce_ds_ss_limits(dsl_dir_t *dd, zfs_prop_t prop, cred_t *cr)
if (dsl_dataset_hold_obj(dd->dd_pool, obj, FTAG, &ds) != 0)
return (ENFORCE_ALWAYS);
if (dsl_prop_get_ds(ds, "zoned", 8, 1, &zoned, NULL) || zoned) {
zonedstr = zfs_prop_to_name(ZFS_PROP_ZONED);
if (dsl_prop_get_ds(ds, zonedstr, 8, 1, &zoned, NULL) || zoned) {
/* Only root can access zoned fs's from the GZ */
enforce = ENFORCE_ALWAYS;
} else {