diff options
| author | Massimo Maggi <[email protected]> | 2013-10-28 09:22:15 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2013-10-29 14:54:26 -0700 |
| commit | 023699cd62eb033ebed5e5fae4e13acaba4c5461 (patch) | |
| tree | cc36188907422afa2ae4f74c217760d5379805b4 /module/zcommon | |
| parent | 7c2448a33ee71be1671c158a167559d1320ff839 (diff) | |
Posix ACL Support
This change adds support for Posix ACLs by storing them as an xattr
which is common practice for many Linux file systems. Since the
Posix ACL is stored as an xattr it will not overwrite any existing
ZFS/NFSv4 ACLs which may have been set. The Posix ACL will also
be non-functional on other platforms although it may be visible
as an xattr if that platform understands SA based xattrs.
By default Posix ACLs are disabled but they may be enabled with
the new 'aclmode=noacl|posixacl' property. Set the property to
'posixacl' to enable them. If ZFS/NFSv4 ACL support is ever added
an appropriate acltype will be added.
This change passes the POSIX Test Suite cleanly with the exception
of xacl/00.t test 45 which is incorrect for Linux (Ext4 fails too).
http://www.tuxera.com/community/posix-test-suite/
Signed-off-by: Massimo Maggi <[email protected]>
Signed-off-by: Richard Yao <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #170
Diffstat (limited to 'module/zcommon')
| -rw-r--r-- | module/zcommon/zfs_prop.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/module/zcommon/zfs_prop.c b/module/zcommon/zfs_prop.c index b27e4f36f..722995dc5 100644 --- a/module/zcommon/zfs_prop.c +++ b/module/zcommon/zfs_prop.c @@ -112,6 +112,14 @@ zfs_prop_init(void) { NULL } }; + static zprop_index_t acltype_table[] = { + { "off", ZFS_ACLTYPE_OFF }, + { "disabled", ZFS_ACLTYPE_OFF }, + { "noacl", ZFS_ACLTYPE_OFF }, + { "posixacl", ZFS_ACLTYPE_POSIXACL }, + { NULL } + }; + static zprop_index_t acl_inherit_table[] = { { "discard", ZFS_ACL_DISCARD }, { "noallow", ZFS_ACL_NOALLOW }, @@ -226,6 +234,9 @@ zfs_prop_init(void) zprop_register_index(ZFS_PROP_SNAPDEV, "snapdev", ZFS_SNAPDEV_HIDDEN, PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "hidden | visible", "SNAPDEV", snapdev_table); + zprop_register_index(ZFS_PROP_ACLTYPE, "acltype", ZFS_ACLTYPE_OFF, + PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, + "noacl | posixacl", "ACLTYPE", acltype_table); zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit", ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "discard | noallow | restricted | passthrough | passthrough-x", |