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Cross-platform acltype

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The acltype property is currently hidden on FreeBSD and does not
reflect the NFSv4 style ZFS ACLs used on the platform.  This makes it
difficult to observe that a pool imported from FreeBSD on Linux has a
different type of ACL that is being ignored, and vice versa.

Add an nfsv4 acltype and expose the property on FreeBSD.

Make the default acltype nfsv4 on FreeBSD.

Setting acltype to an unhanded style is treated the same as setting
it to off.  The ACLs will not be removed, but they will be ignored.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10520
This commit is contained in:
Ryan Moeller
2020-10-14 00:25:48 -04:00
committed by GitHub
parent b302185a92
commit 485b50bb9e
13 changed files with 116 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zcommon/zfs_prop.c
+9 -10
View File
@@ -254,6 +254,7 @@ zfs_prop_init(void)
static zprop_index_t acltype_table[] = {
{ "off", ZFS_ACLTYPE_OFF },
{ "posix", ZFS_ACLTYPE_POSIX },
{ "nfsv4", ZFS_ACLTYPE_NFSV4 },
{ "disabled", ZFS_ACLTYPE_OFF }, /* bkwrd compatibility */
{ "noacl", ZFS_ACLTYPE_OFF }, /* bkwrd compatibility */
{ "posixacl", ZFS_ACLTYPE_POSIX }, /* bkwrd compatibility */
@@ -428,11 +429,15 @@ zfs_prop_init(void)
PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
"discard | groupmask | passthrough | restricted", "ACLMODE",
acl_mode_table);
#ifndef __FreeBSD__
zprop_register_index(ZFS_PROP_ACLTYPE, "acltype", ZFS_ACLTYPE_OFF,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"off | posix", "ACLTYPE", acltype_table);
zprop_register_index(ZFS_PROP_ACLTYPE, "acltype",
#ifdef __linux__
/* Linux doesn't natively support ZFS's NFSv4-style ACLs. */
ZFS_ACLTYPE_OFF,
#else
ZFS_ACLTYPE_NFSV4,
#endif
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"off | nfsv4 | posix", "ACLTYPE", acltype_table);
zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit",
ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
"discard | noallow | restricted | passthrough | passthrough-x",
@@ -702,12 +707,6 @@ zfs_prop_init(void)
* that we don't have to change the values of the zfs_prop_t enum, or
* have NULL pointers in the zfs_prop_table[].
*/
#ifdef __FreeBSD__
zprop_register_impl(ZFS_PROP_ACLTYPE, "acltype", PROP_TYPE_INDEX,
ZFS_ACLTYPE_OFF, NULL, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"off | posix", "ACLTYPE", B_FALSE, B_FALSE, acltype_table);
#endif
zprop_register_hidden(ZFS_PROP_REMAPTXG, "remaptxg", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET, "REMAPTXG");