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freebsd-nq/module/splat/splat-vnode.c
Ned Bass 3d6af2dd6d Refresh links to web site 
Update links to refer to the official ZFS on Linux website instead of
@behlendorf's personal fork on github.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2013-03-04 19:09:34 -08:00

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/*****************************************************************************\
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
* For details, see <http://zfsonlinux.org/>.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************
* Solaris Porting LAyer Tests (SPLAT) Vnode Tests.
\*****************************************************************************/
#include <sys/vnode.h>
#include "splat-internal.h"
#define SPLAT_VNODE_NAME "vnode"
#define SPLAT_VNODE_DESC "Kernel Vnode Tests"
#define SPLAT_VNODE_TEST1_ID 0x0901
#define SPLAT_VNODE_TEST1_NAME "vn_open"
#define SPLAT_VNODE_TEST1_DESC "Vn_open Test"
#define SPLAT_VNODE_TEST2_ID 0x0902
#define SPLAT_VNODE_TEST2_NAME "vn_openat"
#define SPLAT_VNODE_TEST2_DESC "Vn_openat Test"
#define SPLAT_VNODE_TEST3_ID 0x0903
#define SPLAT_VNODE_TEST3_NAME "vn_rdwr"
#define SPLAT_VNODE_TEST3_DESC "Vn_rdwrt Test"
#define SPLAT_VNODE_TEST4_ID 0x0904
#define SPLAT_VNODE_TEST4_NAME "vn_rename"
#define SPLAT_VNODE_TEST4_DESC "Vn_rename Test"
#define SPLAT_VNODE_TEST5_ID 0x0905
#define SPLAT_VNODE_TEST5_NAME "vn_getattr"
#define SPLAT_VNODE_TEST5_DESC "Vn_getattr Test"
#define SPLAT_VNODE_TEST6_ID 0x0906
#define SPLAT_VNODE_TEST6_NAME "vn_sync"
#define SPLAT_VNODE_TEST6_DESC "Vn_sync Test"
#define SPLAT_VNODE_TEST_FILE "/etc/fstab"
#define SPLAT_VNODE_TEST_FILE_AT "etc/fstab"
#define SPLAT_VNODE_TEST_FILE_RW "/tmp/spl.vnode.tmp"
#define SPLAT_VNODE_TEST_FILE_RW1 "/tmp/spl.vnode.tmp.1"
#define SPLAT_VNODE_TEST_FILE_RW2 "/tmp/spl.vnode.tmp.2"
static int
splat_vnode_user_cmd(struct file *file, void *arg,
char *name, char *cmd)
{
char sh_path[] = "/bin/sh";
char *argv[] = { sh_path,
"-c",
cmd,
NULL };
char *envp[] = { "HOME=/",
"TERM=linux",
"PATH=/sbin:/usr/sbin:/bin:/usr/bin",
NULL };
int rc;
rc = call_usermodehelper(sh_path, argv, envp, UMH_WAIT_PROC);
if (rc) {
splat_vprint(file, name,
"Failed command: %s %s %s (%d)\n",
argv[0], argv[1], cmd, rc);
return -EPERM;
}
return 0;
}
static int
splat_vnode_unlink_all(struct file *file, void *arg, char *name)
{
char *cmds[] = { "rm -f " SPLAT_VNODE_TEST_FILE_RW,
"rm -f " SPLAT_VNODE_TEST_FILE_RW1,
"rm -f " SPLAT_VNODE_TEST_FILE_RW2,
NULL };
int i = 0, rc = 0;
while (cmds[i] != NULL) {
if ((rc = splat_vnode_user_cmd(file, arg, name, cmds[i])))
return rc;
i++;
}
return rc;
}
static int
splat_vnode_test1(struct file *file, void *arg)
{
vnode_t *vp;
int rc;
if ((rc = vn_open(SPLAT_VNODE_TEST_FILE, UIO_SYSSPACE,
FREAD, 0644, &vp, 0, 0))) {
splat_vprint(file, SPLAT_VNODE_TEST1_NAME,
"Failed to vn_open test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE, rc);
return -rc;
}
rc = VOP_CLOSE(vp, 0, 0, 0, 0, 0);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST1_NAME,
"Failed to vn_close test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE, rc);
return -rc;
}
splat_vprint(file, SPLAT_VNODE_TEST1_NAME, "Successfully vn_open'ed "
"and vn_closed test file: %s\n", SPLAT_VNODE_TEST_FILE);
return -rc;
} /* splat_vnode_test1() */
static int
splat_vnode_test2(struct file *file, void *arg)
{
vnode_t *vp;
int rc;
if ((rc = vn_openat(SPLAT_VNODE_TEST_FILE_AT, UIO_SYSSPACE,
FREAD, 0644, &vp, 0, 0, rootdir, 0))) {
splat_vprint(file, SPLAT_VNODE_TEST2_NAME,
"Failed to vn_openat test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE, rc);
return -rc;
}
rc = VOP_CLOSE(vp, 0, 0, 0, 0, 0);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST2_NAME,
"Failed to vn_close test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE, rc);
return -rc;
}
splat_vprint(file, SPLAT_VNODE_TEST2_NAME, "Successfully vn_openat'ed "
"and vn_closed test file: %s\n", SPLAT_VNODE_TEST_FILE);
return -rc;
} /* splat_vnode_test2() */
static int
splat_vnode_test3(struct file *file, void *arg)
{
vnode_t *vp;
char buf1[32] = "SPL VNode Interface Test File\n";
char buf2[32] = "";
int rc;
if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST3_NAME)))
return rc;
if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE,
FWRITE | FREAD | FCREAT | FEXCL,
0644, &vp, 0, 0))) {
splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
"Failed to vn_open test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW, rc);
return -rc;
}
rc = vn_rdwr(UIO_WRITE, vp, buf1, strlen(buf1), 0,
UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
"Failed vn_rdwr write of test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW, rc);
goto out;
}
rc = vn_rdwr(UIO_READ, vp, buf2, strlen(buf1), 0,
UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
"Failed vn_rdwr read of test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW, rc);
goto out;
}
if (strncmp(buf1, buf2, strlen(buf1))) {
rc = EINVAL;
splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
"Failed strncmp data written does not match "
"data read\nWrote: %sRead: %s\n", buf1, buf2);
goto out;
}
rc = 0;
splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Wrote: %s", buf1);
splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Read: %s", buf2);
splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Successfully wrote and "
"read expected data pattern to test file: %s\n",
SPLAT_VNODE_TEST_FILE_RW);
out:
VOP_CLOSE(vp, 0, 0, 0, 0, 0);
vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE);
return -rc;
} /* splat_vnode_test3() */
static int
splat_vnode_test4(struct file *file, void *arg)
{
vnode_t *vp;
char buf1[32] = "SPL VNode Interface Test File\n";
char buf2[32] = "";
int rc;
if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST4_NAME)))
return rc;
if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW1, UIO_SYSSPACE,
FWRITE | FREAD | FCREAT | FEXCL, 0644, &vp, 0, 0))) {
splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
"Failed to vn_open test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW1, rc);
goto out;
}
rc = vn_rdwr(UIO_WRITE, vp, buf1, strlen(buf1), 0,
UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
"Failed vn_rdwr write of test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW1, rc);
goto out2;
}
VOP_CLOSE(vp, 0, 0, 0, 0, 0);
rc = vn_rename(SPLAT_VNODE_TEST_FILE_RW1,SPLAT_VNODE_TEST_FILE_RW2,0);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Failed vn_rename "
"%s -> %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW1,
SPLAT_VNODE_TEST_FILE_RW2, rc);
goto out;
}
if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW2, UIO_SYSSPACE,
FREAD | FEXCL, 0644, &vp, 0, 0))) {
splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
"Failed to vn_open test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW2, rc);
goto out;
}
rc = vn_rdwr(UIO_READ, vp, buf2, strlen(buf1), 0,
UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
"Failed vn_rdwr read of test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW2, rc);
goto out2;
}
if (strncmp(buf1, buf2, strlen(buf1))) {
rc = EINVAL;
splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
"Failed strncmp data written does not match "
"data read\nWrote: %sRead: %s\n", buf1, buf2);
goto out2;
}
rc = 0;
splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Wrote to %s: %s",
SPLAT_VNODE_TEST_FILE_RW1, buf1);
splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Read from %s: %s",
SPLAT_VNODE_TEST_FILE_RW2, buf2);
splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Successfully renamed "
"test file %s -> %s and verified data pattern\n",
SPLAT_VNODE_TEST_FILE_RW1, SPLAT_VNODE_TEST_FILE_RW2);
out2:
VOP_CLOSE(vp, 0, 0, 0, 0, 0);
out:
vn_remove(SPLAT_VNODE_TEST_FILE_RW1, UIO_SYSSPACE, RMFILE);
vn_remove(SPLAT_VNODE_TEST_FILE_RW2, UIO_SYSSPACE, RMFILE);
return -rc;
} /* splat_vnode_test4() */
static int
splat_vnode_test5(struct file *file, void *arg)
{
vnode_t *vp;
vattr_t vap;
int rc;
if ((rc = vn_open(SPLAT_VNODE_TEST_FILE, UIO_SYSSPACE,
FREAD, 0644, &vp, 0, 0))) {
splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
"Failed to vn_open test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE, rc);
return -rc;
}
rc = VOP_GETATTR(vp, &vap, 0, 0, NULL);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
"Failed to vn_getattr test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE, rc);
goto out;
}
if (vap.va_type != VREG) {
rc = EINVAL;
splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
"Failed expected regular file type "
"(%d != VREG): %s (%d)\n", vap.va_type,
SPLAT_VNODE_TEST_FILE, rc);
goto out;
}
splat_vprint(file, SPLAT_VNODE_TEST1_NAME, "Successfully "
"vn_getattr'ed test file: %s\n", SPLAT_VNODE_TEST_FILE);
out:
VOP_CLOSE(vp, 0, 0, 0, 0, 0);
return -rc;
} /* splat_vnode_test5() */
static int
splat_vnode_test6(struct file *file, void *arg)
{
vnode_t *vp;
char buf[32] = "SPL VNode Interface Test File\n";
int rc;
if ((rc = splat_vnode_unlink_all(file, arg, SPLAT_VNODE_TEST6_NAME)))
return rc;
if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE,
FWRITE | FCREAT | FEXCL, 0644, &vp, 0, 0))) {
splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
"Failed to vn_open test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW, rc);
return -rc;
}
rc = vn_rdwr(UIO_WRITE, vp, buf, strlen(buf), 0,
UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
"Failed vn_rdwr write of test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW, rc);
goto out;
}
rc = vn_fsync(vp, 0, 0, 0);
if (rc) {
splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
"Failed vn_fsync of test file: %s (%d)\n",
SPLAT_VNODE_TEST_FILE_RW, rc);
goto out;
}
rc = 0;
splat_vprint(file, SPLAT_VNODE_TEST6_NAME, "Successfully "
"fsync'ed test file %s\n", SPLAT_VNODE_TEST_FILE_RW);
out:
VOP_CLOSE(vp, 0, 0, 0, 0, 0);
vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE);
return -rc;
} /* splat_vnode_test6() */
splat_subsystem_t *
splat_vnode_init(void)
{
splat_subsystem_t *sub;
sub = kmalloc(sizeof(*sub), GFP_KERNEL);
if (sub == NULL)
return NULL;
memset(sub, 0, sizeof(*sub));
strncpy(sub->desc.name, SPLAT_VNODE_NAME, SPLAT_NAME_SIZE);
strncpy(sub->desc.desc, SPLAT_VNODE_DESC, SPLAT_DESC_SIZE);
INIT_LIST_HEAD(&sub->subsystem_list);
INIT_LIST_HEAD(&sub->test_list);
spin_lock_init(&sub->test_lock);
sub->desc.id = SPLAT_SUBSYSTEM_VNODE;
SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST1_NAME, SPLAT_VNODE_TEST1_DESC,
SPLAT_VNODE_TEST1_ID, splat_vnode_test1);
SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST2_NAME, SPLAT_VNODE_TEST2_DESC,
SPLAT_VNODE_TEST2_ID, splat_vnode_test2);
SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST3_NAME, SPLAT_VNODE_TEST3_DESC,
SPLAT_VNODE_TEST3_ID, splat_vnode_test3);
SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST4_NAME, SPLAT_VNODE_TEST4_DESC,
SPLAT_VNODE_TEST4_ID, splat_vnode_test4);
SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST5_NAME, SPLAT_VNODE_TEST5_DESC,
SPLAT_VNODE_TEST5_ID, splat_vnode_test5);
SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST6_NAME, SPLAT_VNODE_TEST6_DESC,
SPLAT_VNODE_TEST6_ID, splat_vnode_test6);
return sub;
} /* splat_vnode_init() */
void
splat_vnode_fini(splat_subsystem_t *sub)
{
ASSERT(sub);
SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST6_ID);
SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST5_ID);
SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST4_ID);
SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST3_ID);
SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST2_ID);
SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST1_ID);
kfree(sub);
} /* splat_vnode_fini() */
int
splat_vnode_id(void)
{
return SPLAT_SUBSYSTEM_VNODE;
} /* splat_vnode_id() */
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