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Add support for user/group dnode accounting & quota

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This patch tracks dnode usage for each user/group in the
DMU_USER/GROUPUSED_OBJECT ZAPs. ZAP entries dedicated to dnode
accounting have the key prefixed with "obj-" followed by the UID/GID
in string format (as done for the block accounting).
A new SPA feature has been added for dnode accounting as well as
a new ZPL version. The SPA feature must be enabled in the pool
before upgrading the zfs filesystem. During the zfs version upgrade,
a "quotacheck" will be executed by marking all dnode as dirty.

ZoL-bug-id: https://github.com/zfsonlinux/zfs/issues/3500

Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
Signed-off-by: Johann Lombardi <johann.lombardi@intel.com>
This commit is contained in:
Jinshan Xiong
2016-10-04 11:46:10 -07:00
committed by Brian Behlendorf
parent af322debaa
commit 1de321e626
43 changed files with 1119 additions and 98 deletions
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include/sys/dsl_deleg.h
+4
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@@ -51,8 +51,12 @@ extern "C" {
#define ZFS_DELEG_PERM_VSCAN "vscan"
#define ZFS_DELEG_PERM_USERQUOTA "userquota"
#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
#define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota"
#define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota"
#define ZFS_DELEG_PERM_USERUSED "userused"
#define ZFS_DELEG_PERM_GROUPUSED "groupused"
#define ZFS_DELEG_PERM_USEROBJUSED "userobjused"
#define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused"
#define ZFS_DELEG_PERM_HOLD "hold"
#define ZFS_DELEG_PERM_RELEASE "release"
#define ZFS_DELEG_PERM_DIFF "diff"