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7291 Attempting to destroy ZFS filesystem and create ZFS volume with … #22

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7291 Attempting to destroy ZFS filesystem and create ZFS volume with … #22

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2 changes: 2 additions & 0 deletions usr/src/pkg/manifests/system-test-zfstest.mf
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Original file line number Diff line number Diff line change
Expand Up @@ -2275,6 +2275,8 @@ file path=opt/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_005_neg \
mode=0555
file path=opt/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_006_pos \
mode=0555
file path=opt/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_007_pos \
mode=0555
file path=opt/zfs-tests/tests/functional/zvol/zvol_swap/cleanup mode=0555
file path=opt/zfs-tests/tests/functional/zvol/zvol_swap/setup mode=0555
file path=opt/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap.cfg \
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3 changes: 2 additions & 1 deletion usr/src/test/zfs-tests/runfiles/delphix.run
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Expand Up @@ -560,7 +560,8 @@ tests = ['zvol_cli_001_pos', 'zvol_cli_002_pos', 'zvol_cli_003_neg']

[/opt/zfs-tests/tests/functional/zvol/zvol_misc]
tests = ['zvol_misc_001_neg', 'zvol_misc_002_pos', 'zvol_misc_003_neg',
'zvol_misc_004_pos', 'zvol_misc_005_neg', 'zvol_misc_006_pos']
'zvol_misc_004_pos', 'zvol_misc_005_neg', 'zvol_misc_006_pos',
'zvol_misc_007_pos']

[/opt/zfs-tests/tests/functional/libzfs]
tests = ['many_fds']
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3 changes: 2 additions & 1 deletion usr/src/test/zfs-tests/runfiles/omnios.run
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Expand Up @@ -556,7 +556,8 @@ tests = ['zvol_cli_001_pos', 'zvol_cli_002_pos', 'zvol_cli_003_neg']

[/opt/zfs-tests/tests/functional/zvol/zvol_misc]
tests = ['zvol_misc_001_neg', 'zvol_misc_002_pos', 'zvol_misc_003_neg',
'zvol_misc_004_pos', 'zvol_misc_005_neg', 'zvol_misc_006_pos']
'zvol_misc_004_pos', 'zvol_misc_005_neg', 'zvol_misc_006_pos',
'zvol_misc_007_pos']

[/opt/zfs-tests/tests/functional/zvol/zvol_swap]
tests = ['zvol_swap_001_pos', 'zvol_swap_002_pos', 'zvol_swap_003_pos',
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3 changes: 2 additions & 1 deletion usr/src/test/zfs-tests/runfiles/openindiana.run
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Expand Up @@ -556,7 +556,8 @@ tests = ['zvol_cli_001_pos', 'zvol_cli_002_pos', 'zvol_cli_003_neg']

[/opt/zfs-tests/tests/functional/zvol/zvol_misc]
tests = ['zvol_misc_001_neg', 'zvol_misc_002_pos', 'zvol_misc_003_neg',
'zvol_misc_004_pos', 'zvol_misc_005_neg', 'zvol_misc_006_pos']
'zvol_misc_004_pos', 'zvol_misc_005_neg', 'zvol_misc_006_pos',
'zvol_misc_007_pos']

[/opt/zfs-tests/tests/functional/zvol/zvol_swap]
tests = ['zvol_swap_001_pos', 'zvol_swap_002_pos', 'zvol_swap_003_pos',
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47 changes: 47 additions & 0 deletions usr/src/test/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_007_pos.ksh
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@@ -0,0 +1,47 @@
#! /usr/bin/ksh -p
#
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#

#
# Copyright 2016 Nexenta Systems, Inc. All rights reserved.
#

. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/zvol/zvol_common.shlib

#
# DESCRIPTION:
# Verify name collision occurs when an attempt to destroy ZFS filesystem
# and create ZFS volume with the same name cannot cause system panic
#
# STRATEGY:
# 1. Create ZFS filesystems
# 2. Create nested ZFS volume
# 3. Read and displays information about the ZFS volume
# 4. Recursive destroy ZFS filesystems
# 5. Create ZFS volume with the same name as ZFS filesystem
# 6. Read and displays information about the ZFS volume
# 7. Verify the system continued work
#

verify_runnable "global"
log_assert "zfs can handle race volume create operation."
log_onexit cleanup

log_must $ZFS create $TESTPOOL/$TESTFS
log_must $ZFS create -V 1M $TESTPOOL/$TESTFS/$TESTVOL
log_must $STAT /dev/zvol/rdsk/$TESTPOOL/$TESTFS/$TESTVOL
log_must $ZFS destroy -r $TESTPOOL/$TESTFS
log_must $ZFS create -V 1M $TESTPOOL/$TESTFS
log_must $STAT /dev/zvol/rdsk/$TESTPOOL/$TESTFS

log_pass "zfs handle race volume create operation."
4 changes: 4 additions & 0 deletions usr/src/uts/common/fs/dev/sdev_subr.c
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Expand Up @@ -2170,6 +2170,10 @@ devname_lookup_func(struct sdev_node *ddv, char *nm, struct vnode **vpp,
rw_exit(&ddv->sdev_contents);
rw_enter(&ddv->sdev_contents, RW_WRITER);
}

if (SDEVTOV(dv)->v_type == VDIR)
(void) sdev_cleandir(dv, NULL, SDEV_ENFORCE);

sdev_cache_update(ddv, &dv, nm, SDEV_CACHE_DELETE);
rw_downgrade(&ddv->sdev_contents);
SDEV_RELE(dv);
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