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#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or https://opensource.org/licenses/CDDL-1.0.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

#
# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
#

. $STF_SUITE/tests/functional/quota/quota.cfg

# BLOCK_SIZE, QUOTA_VALUE and TOLERANCE set in quota.cfg
if is_linux; then
	readonly EDQUOT=122
elif is_freebsd; then
	readonly EDQUOT=69
else
	readonly EDQUOT=49
fi

#
# Function to fill the quota of a zfs filesystem
#
# $1 - The File system or container to fill.
# $2 - The mountpoint to use.
#
function fill_quota
{
	typeset FILESYSTEM="$1"
	typeset MNTPT="$2"

	log_must zfs set quota=$QUOTA_VALUE $FILESYSTEM

	typeset -i write_size=0
	(( write_size = 2 * QUOTA_VALUE ))

	typeset -i zret=0
	file_write -o create -f $MNTPT/$TESTFILE1 -b $BLOCK_SIZE \
		 -c $write_size -d 0
	zret=$?
    [[ $zret -ne $EDQUOT ]] && \
        log_fail "Returned error code: $zret. Expected: $EDQUOT."

	typeset -i file_size=`ls -lsk $MNTPT/$TESTFILE1 | awk '{ print $1 }'`
	typeset -i limit=0
	(( file_size = file_size * 1024 ))
	(( limit = QUOTA_VALUE + TOLERANCE ))
	(( file_size > limit )) && \
	    log_fail "File was created larger than the quota value, aborting!!!"
	return 0
}

#
# Function attempts to write another file in a ZFS filesystem
# that has already filled its quota
#
function exceed_quota
{
	typeset FILESYSTEM="$1"
	typeset MNTPT="$2"

	log_must fill_quota $FILESYSTEM $MNTPT
	typeset -i write_size=0
        (( write_size = 2 * QUOTA_VALUE ))
	typeset -i zret=0
	#
	# Writing a file without API to access return code
	#
	log_note "Creating a file in a FS that has already exceeded its quota"
	file_write -o create -f $MNTPT/$TESTFILE2 \
		-b $BLOCK_SIZE -c $write_size -d 0
	zret=$?
	[[ $zret -ne $EDQUOT ]] && \
	    log_fail "Returned error code: $zret. Expected: $EDQUOT."
	return 0
}