aboutsummaryrefslogtreecommitdiffstats
path: root/module/zcommon
diff options
context:
space:
mode:
authorLOLi <loli10K@users.noreply.github.com>2017-07-12 22:05:37 +0200
committerBrian Behlendorf <behlendorf1@llnl.gov>2017-07-12 13:05:37 -0700
commitcf8738d85374f51298a0872bcd58257bbb4fda6d (patch)
tree213e94c15f61f569836e7e0f0fb40727e8cdd4f9 /module/zcommon
parente19572e4cc0b8df95ebf60053029e454592a92d4 (diff)
Add port of FreeBSD 'volmode' property
The volmode property may be set to control the visibility of ZVOL block devices. This allow switching ZVOL between three modes: full - existing fully functional behaviour (default) dev - hide partitions on ZVOL block devices none - not exposing volumes outside ZFS Additionally the new zvol_volmode module parameter can be used to control the default behaviour. This functionality can be used, for instance, on "backup" pools to avoid cluttering /dev with unneeded zd* devices. Original-patch-by: mav <mav@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Ported-by: loli10K <ezomori.nozomu@gmail.com> Signed-off-by: loli10K <ezomori.nozomu@gmail.com> FreeBSD-commit: https://github.com/freebsd/freebsd/commit/dd28e6bb Closes #1796 Closes #3438 Closes #6233
Diffstat (limited to 'module/zcommon')
-rw-r--r--module/zcommon/zfs_prop.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/module/zcommon/zfs_prop.c b/module/zcommon/zfs_prop.c
index 97736ee27..93c89e4aa 100644
--- a/module/zcommon/zfs_prop.c
+++ b/module/zcommon/zfs_prop.c
@@ -245,6 +245,15 @@ zfs_prop_init(void)
{ NULL }
};
+ static zprop_index_t volmode_table[] = {
+ { "default", ZFS_VOLMODE_DEFAULT },
+ { "full", ZFS_VOLMODE_GEOM },
+ { "geom", ZFS_VOLMODE_GEOM },
+ { "dev", ZFS_VOLMODE_DEV },
+ { "none", ZFS_VOLMODE_NONE },
+ { NULL }
+ };
+
/* inherit index properties */
zprop_register_index(ZFS_PROP_REDUNDANT_METADATA, "redundant_metadata",
ZFS_REDUNDANT_METADATA_ALL,
@@ -302,6 +311,10 @@ zfs_prop_init(void)
zprop_register_index(ZFS_PROP_DNODESIZE, "dnodesize",
ZFS_DNSIZE_LEGACY, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
"legacy | auto | 1k | 2k | 4k | 8k | 16k", "DNSIZE", dnsize_table);
+ zprop_register_index(ZFS_PROP_VOLMODE, "volmode",
+ ZFS_VOLMODE_DEFAULT, PROP_INHERIT,
+ ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
+ "default | full | geom | dev | none", "VOLMODE", volmode_table);
/* inherit index (boolean) properties */
zprop_register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT,