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Illumos #1644, #1645, #1646, #1647, #1708

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1644 add ZFS "clones" property
1645 add ZFS "written" and "written@..." properties
1646 "zfs send" should estimate size of stream
1647 "zfs destroy" should determine space reclaimed by
     destroying multiple snapshots
1708 adjust size of zpool history data

References:
  https://www.illumos.org/issues/1644
  https://www.illumos.org/issues/1645
  https://www.illumos.org/issues/1646
  https://www.illumos.org/issues/1647
  https://www.illumos.org/issues/1708

This commit modifies the user to kernel space ioctl ABI.  Extra
care should be taken when updating to ensure both the kernel
modules and utilities are updated.  This change has reordered
all of the new ioctl()s to the end of the list.  This should
help minimize this issue in the future.

Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: George Wilson <gwilson@zfsmail.com>
Reviewed by: Albert Lee <trisk@opensolaris.org>
Approved by: Garrett D'Amore <garret@nexenta.com>

Ported by: Martin Matuska <martin@matuska.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #826
Closes #664
This commit is contained in:
Matthew Ahrens
2011-11-17 10:14:36 -08:00
committed by Brian Behlendorf
parent 7eebaff409
commit 330d06f90d
24 changed files with 2291 additions and 735 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zcommon/zfs_prop.c
+17 -1
View File
@@ -264,7 +264,7 @@ zfs_prop_init(void)
/* default index properties */
zprop_register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"1 | 2 | 3 | 4 | current", "VERSION", version_table);
"1 | 2 | 3 | 4 | 5 | current", "VERSION", version_table);
zprop_register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON,
PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto",
"CANMOUNT", canmount_table);
@@ -294,6 +294,8 @@ zfs_prop_init(void)
/* string properties */
zprop_register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<snapshot>", "ORIGIN");
zprop_register_string(ZFS_PROP_CLONES, "clones", NULL, PROP_READONLY,
ZFS_TYPE_SNAPSHOT, "<dataset>[,...]", "CLONES");
zprop_register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/",
PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "<path> | legacy | none",
"MOUNTPOINT");
@@ -339,6 +341,8 @@ zfs_prop_init(void)
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDREFRESERV");
zprop_register_number(ZFS_PROP_USERREFS, "userrefs", 0, PROP_READONLY,
ZFS_TYPE_SNAPSHOT, "<count>", "USERREFS");
zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY,
ZFS_TYPE_DATASET, "<size>", "WRITTEN");
/* default number properties */
zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT,
@@ -471,6 +475,18 @@ zfs_prop_userquota(const char *name)
return (B_FALSE);
}
/*
* Returns true if this is a valid written@ property.
* Note that after the @, any character is valid (eg, another @, for
* written@pool/fs@origin).
*/
boolean_t
zfs_prop_written(const char *name)
{
static const char *prefix = "written@";
return (strncmp(name, prefix, strlen(prefix)) == 0);
}
/*
* Tables of index types, plus functions to convert between the user view
* (strings) and internal representation (uint64_t).