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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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tests/zfs-tests/include/libtest.shlib
+26
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@@ -2857,3 +2857,29 @@ function block_device_wait
$UDEVADM settle
fi
}
#
# Synchronize all the data in pool
#
# $1 pool name
#
function sync_pool #pool
{
typeset pool=${1:-$TESTPOOL}
log_must $SYNC
log_must $SLEEP 2
# Flush all the pool data.
typeset -i ret
$ZPOOL scrub $pool >/dev/null 2>&1
ret=$?
(( $ret != 0 )) && \
log_fail "$ZPOOL scrub $pool failed."
while ! is_pool_scrubbed $pool; do
if is_pool_resilvered $pool ; then
log_fail "$pool should not be resilver completed."
fi
log_must $SLEEP 2
done
}