mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-18 10:21:01 +03:00
4e62fd4104
This should handle the absolute minimum I need for ZFS. It will register the chdev with the right callbacks. Then the generic registered linux callback will find the right registered solaris callback for the function and munge the args just right before passing it on. Should work, but untested (just compiled), so I expect bugs. git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@52 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
494 lines
14 KiB
C
494 lines
14 KiB
C
#include "splat-internal.h"
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#include <linux/rcupdate.h>
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#define SPLAT_SUBSYSTEM_VNODE 0x0900
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#define SPLAT_VNODE_NAME "vnode"
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#define SPLAT_VNODE_DESC "Kernel Vnode Tests"
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#define SPLAT_VNODE_TEST1_ID 0x0901
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#define SPLAT_VNODE_TEST1_NAME "vn_open"
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#define SPLAT_VNODE_TEST1_DESC "Vn_open Test"
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#define SPLAT_VNODE_TEST2_ID 0x0902
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#define SPLAT_VNODE_TEST2_NAME "vn_openat"
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#define SPLAT_VNODE_TEST2_DESC "Vn_openat Test"
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#define SPLAT_VNODE_TEST3_ID 0x0903
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#define SPLAT_VNODE_TEST3_NAME "vn_rdwr"
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#define SPLAT_VNODE_TEST3_DESC "Vn_rdwrt Test"
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#define SPLAT_VNODE_TEST4_ID 0x0904
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#define SPLAT_VNODE_TEST4_NAME "vn_rename"
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#define SPLAT_VNODE_TEST4_DESC "Vn_rename Test"
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#define SPLAT_VNODE_TEST5_ID 0x0905
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#define SPLAT_VNODE_TEST5_NAME "vn_getattr"
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#define SPLAT_VNODE_TEST5_DESC "Vn_getattr Test"
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#define SPLAT_VNODE_TEST6_ID 0x0906
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#define SPLAT_VNODE_TEST6_NAME "vn_sync"
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#define SPLAT_VNODE_TEST6_DESC "Vn_sync Test"
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#define SPLAT_VNODE_TEST7_ID 0x0907
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#define SPLAT_VNODE_TEST7_NAME "vn_getf"
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#define SPLAT_VNODE_TEST7_DESC "vn_getf/vn_releasef Test"
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#define SPLAT_VNODE_TEST_FILE "/etc/fstab"
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#define SPLAT_VNODE_TEST_FILE_AT "etc/fstab"
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#define SPLAT_VNODE_TEST_FILE_RW "/tmp/spl.vnode.tmp"
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#define SPLAT_VNODE_TEST_FILE_RW1 "/tmp/spl.vnode.tmp.1"
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#define SPLAT_VNODE_TEST_FILE_RW2 "/tmp/spl.vnode.tmp.2"
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static int
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splat_vnode_test1(struct file *file, void *arg)
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{
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vnode_t *vp;
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int rc;
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if ((rc = vn_open(SPLAT_VNODE_TEST_FILE, UIO_SYSSPACE,
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FREAD, 0644, &vp, 0, 0))) {
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splat_vprint(file, SPLAT_VNODE_TEST1_NAME,
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"Failed to vn_open test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE, rc);
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return rc;
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}
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rc = VOP_CLOSE(vp, 0, 0, 0, 0, 0);
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VN_RELE(vp);
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if (rc) {
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splat_vprint(file, SPLAT_VNODE_TEST1_NAME,
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"Failed to vn_close test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE, rc);
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return rc;
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}
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splat_vprint(file, SPLAT_VNODE_TEST1_NAME, "Successfully vn_open'ed "
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"and vn_closed test file: %s\n", SPLAT_VNODE_TEST_FILE);
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return rc;
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} /* splat_vnode_test1() */
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static int
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splat_vnode_test2(struct file *file, void *arg)
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{
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vnode_t *vp;
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int rc;
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if ((rc = vn_openat(SPLAT_VNODE_TEST_FILE_AT, UIO_SYSSPACE,
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FREAD, 0644, &vp, 0, 0, rootdir, 0))) {
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splat_vprint(file, SPLAT_VNODE_TEST2_NAME,
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"Failed to vn_openat test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE, rc);
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return rc;
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}
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rc = VOP_CLOSE(vp, 0, 0, 0, 0, 0);
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VN_RELE(vp);
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if (rc) {
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splat_vprint(file, SPLAT_VNODE_TEST2_NAME,
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"Failed to vn_close test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE, rc);
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return rc;
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}
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splat_vprint(file, SPLAT_VNODE_TEST2_NAME, "Successfully vn_openat'ed "
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"and vn_closed test file: %s\n", SPLAT_VNODE_TEST_FILE);
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return rc;
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} /* splat_vnode_test2() */
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static int
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splat_vnode_test3(struct file *file, void *arg)
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{
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vnode_t *vp;
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char buf1[32] = "SPL VNode Interface Test File\n";
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char buf2[32] = "";
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int rc;
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if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE,
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FWRITE | FREAD | FCREAT | FEXCL,
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0644, &vp, 0, 0))) {
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
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"Failed to vn_open test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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return rc;
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}
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rc = vn_rdwr(UIO_WRITE, vp, buf1, strlen(buf1), 0,
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UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
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if (rc < 0) {
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
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"Failed vn_rdwr write of test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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goto out;
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}
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rc = vn_rdwr(UIO_READ, vp, buf2, strlen(buf1), 0,
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UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
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if (rc < 0) {
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
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"Failed vn_rdwr read of test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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goto out;
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}
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if (strncmp(buf1, buf2, strlen(buf1))) {
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rc = -EINVAL;
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME,
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"Failed strncmp data written does not match "
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"data read\nWrote: %sRead: %s\n", buf1, buf2);
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goto out;
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}
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rc = 0;
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Wrote: %s", buf1);
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Read: %s", buf2);
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Successfully wrote and "
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"read expected data pattern to test file: %s\n",
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SPLAT_VNODE_TEST_FILE_RW);
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out:
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VOP_CLOSE(vp, 0, 0, 0, 0, 0);
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VN_RELE(vp);
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vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE);
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return rc;
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} /* splat_vnode_test3() */
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static int
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splat_vnode_test4(struct file *file, void *arg)
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{
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vnode_t *vp;
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char buf1[32] = "SPL VNode Interface Test File\n";
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char buf2[32] = "";
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int rc;
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if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW1, UIO_SYSSPACE,
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FWRITE | FREAD | FCREAT | FEXCL, 0644, &vp, 0, 0))) {
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
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"Failed to vn_open test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW1, rc);
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goto out;
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}
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rc = vn_rdwr(UIO_WRITE, vp, buf1, strlen(buf1), 0,
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UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
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if (rc < 0) {
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
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"Failed vn_rdwr write of test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW1, rc);
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goto out2;
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}
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VOP_CLOSE(vp, 0, 0, 0, 0, 0);
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VN_RELE(vp);
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rc = vn_rename(SPLAT_VNODE_TEST_FILE_RW1,SPLAT_VNODE_TEST_FILE_RW2,0);
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if (rc) {
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Failed vn_rename "
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"%s -> %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW1,
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SPLAT_VNODE_TEST_FILE_RW2, rc);
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goto out;
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}
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if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW2, UIO_SYSSPACE,
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FREAD | FEXCL, 0644, &vp, 0, 0))) {
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
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"Failed to vn_open test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW2, rc);
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goto out;
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}
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rc = vn_rdwr(UIO_READ, vp, buf2, strlen(buf1), 0,
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UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
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if (rc < 0) {
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
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"Failed vn_rdwr read of test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW2, rc);
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goto out2;
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}
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if (strncmp(buf1, buf2, strlen(buf1))) {
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rc = EINVAL;
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME,
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"Failed strncmp data written does not match "
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"data read\nWrote: %sRead: %s\n", buf1, buf2);
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goto out2;
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}
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rc = 0;
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Wrote to %s: %s",
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SPLAT_VNODE_TEST_FILE_RW1, buf1);
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Read from %s: %s",
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SPLAT_VNODE_TEST_FILE_RW2, buf2);
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splat_vprint(file, SPLAT_VNODE_TEST4_NAME, "Successfully renamed "
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"test file %s -> %s and verified data pattern\n",
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SPLAT_VNODE_TEST_FILE_RW1, SPLAT_VNODE_TEST_FILE_RW2);
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out2:
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VOP_CLOSE(vp, 0, 0, 0, 0, 0);
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VN_RELE(vp);
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out:
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vn_remove(SPLAT_VNODE_TEST_FILE_RW1, UIO_SYSSPACE, RMFILE);
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vn_remove(SPLAT_VNODE_TEST_FILE_RW2, UIO_SYSSPACE, RMFILE);
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return rc;
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} /* splat_vnode_test4() */
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static int
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splat_vnode_test5(struct file *file, void *arg)
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{
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vnode_t *vp;
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vattr_t vap;
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int rc;
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if ((rc = vn_open(SPLAT_VNODE_TEST_FILE, UIO_SYSSPACE,
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FREAD, 0644, &vp, 0, 0))) {
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splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
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"Failed to vn_open test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE, rc);
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return rc;
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}
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rc = VOP_GETATTR(vp, &vap, 0, 0, NULL);
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if (rc) {
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splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
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"Failed to vn_getattr test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE, rc);
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goto out;
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}
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if (vap.va_type != VREG) {
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rc = -EINVAL;
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splat_vprint(file, SPLAT_VNODE_TEST5_NAME,
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"Failed expected regular file type "
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"(%d != VREG): %s (%d)\n", vap.va_type,
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SPLAT_VNODE_TEST_FILE, rc);
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goto out;
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}
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splat_vprint(file, SPLAT_VNODE_TEST1_NAME, "Successfully "
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"vn_getattr'ed test file: %s\n", SPLAT_VNODE_TEST_FILE);
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out:
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VOP_CLOSE(vp, 0, 0, 0, 0, 0);
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VN_RELE(vp);
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return rc;
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} /* splat_vnode_test5() */
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static int
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splat_vnode_test6(struct file *file, void *arg)
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{
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vnode_t *vp;
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char buf[32] = "SPL VNode Interface Test File\n";
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int rc;
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if ((rc = vn_open(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE,
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FWRITE | FREAD | FCREAT | FEXCL, 0644, &vp, 0, 0))) {
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splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
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"Failed to vn_open test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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return rc;
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}
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rc = vn_rdwr(UIO_WRITE, vp, buf, strlen(buf), 0,
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UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
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if (rc < 0) {
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splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
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"Failed vn_rdwr write of test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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goto out;
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}
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rc = vn_fsync(vp, 0, 0, 0);
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if (rc) {
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splat_vprint(file, SPLAT_VNODE_TEST6_NAME,
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"Failed vn_fsync of test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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goto out;
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}
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rc = 0;
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splat_vprint(file, SPLAT_VNODE_TEST6_NAME, "Successfully "
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"fsync'ed test file %s\n", SPLAT_VNODE_TEST_FILE_RW);
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out:
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VOP_CLOSE(vp, 0, 0, 0, 0, 0);
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VN_RELE(vp);
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vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE);
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return rc;
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} /* splat_vnode_test6() */
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/* Basically a slightly modified version of sys_close() */
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static int
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fd_uninstall(int fd)
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{
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struct file *fp;
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struct files_struct *files = current->files;
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struct fdtable *fdt;
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spin_lock(&files->file_lock);
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fdt = files_fdtable(files);
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if (fd >= fdt->max_fds)
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goto out_unlock;
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fp = fdt->fd[fd];
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if (!fp)
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goto out_unlock;
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rcu_assign_pointer(fdt->fd[fd], NULL);
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FD_CLR(fd, fdt->close_on_exec);
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/* Dropping the lock here exposes a minor race but it allows me
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* to use the existing kernel interfaces for this, and for a test
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* case I think that's reasonable. */
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spin_unlock(&files->file_lock);
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put_unused_fd(fd);
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out_unlock:
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spin_unlock(&files->file_lock);
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return -EBADF;
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} /* fd_uninstall() */
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static int
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splat_vnode_test7(struct file *file, void *arg)
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{
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char buf1[32] = "SPL VNode Interface Test File\n";
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char buf2[32] = "";
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struct file *lfp;
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file_t *fp;
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int rc, fd;
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/* Prep work needed to test getf/releasef */
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fd = get_unused_fd();
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if (fd < 0) {
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splat_vprint(file, SPLAT_VNODE_TEST7_NAME,
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"Failed to get unused fd (%d)\n", fd);
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return fd;
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}
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lfp = filp_open(SPLAT_VNODE_TEST_FILE_RW, O_RDWR|O_CREAT|O_EXCL, 0644);
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if (IS_ERR(lfp)) {
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put_unused_fd(fd);
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rc = PTR_ERR(lfp);
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splat_vprint(file, SPLAT_VNODE_TEST7_NAME,
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"Failed to filp_open: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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return rc;
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}
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/* Pair up the new fd and lfp in the current context, this allows
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* getf to lookup the file struct simply by the known open fd */
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fd_install(fd, lfp);
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/* Actual getf()/releasef() test */
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fp = vn_getf(fd);
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if (fp == NULL) {
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rc = -EINVAL;
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splat_vprint(file, SPLAT_VNODE_TEST7_NAME,
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"Failed to getf fd %d: (%d)\n", fd, rc);
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goto out;
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}
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rc = vn_rdwr(UIO_WRITE, fp->f_vnode, buf1, strlen(buf1), 0,
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UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
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if (rc < 0) {
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splat_vprint(file, SPLAT_VNODE_TEST7_NAME,
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"Failed vn_rdwr write of test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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goto out;
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}
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rc = vn_rdwr(UIO_READ, fp->f_vnode, buf2, strlen(buf1), 0,
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UIO_SYSSPACE, 0, RLIM64_INFINITY, 0, NULL);
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if (rc < 0) {
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splat_vprint(file, SPLAT_VNODE_TEST7_NAME,
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"Failed vn_rdwr read of test file: %s (%d)\n",
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SPLAT_VNODE_TEST_FILE_RW, rc);
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goto out;
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}
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if (strncmp(buf1, buf2, strlen(buf1))) {
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rc = -EINVAL;
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splat_vprint(file, SPLAT_VNODE_TEST7_NAME,
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"Failed strncmp data written does not match "
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"data read\nWrote: %sRead: %s\n", buf1, buf2);
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goto out;
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}
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rc = 0;
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Wrote: %s", buf1);
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Read: %s", buf2);
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splat_vprint(file, SPLAT_VNODE_TEST3_NAME, "Successfully wrote and "
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"read expected data pattern to test file: %s\n",
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SPLAT_VNODE_TEST_FILE_RW);
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out:
|
|
vn_releasef(fd);
|
|
fd_uninstall(fd);
|
|
filp_close(lfp, 0);
|
|
vn_remove(SPLAT_VNODE_TEST_FILE_RW, UIO_SYSSPACE, RMFILE);
|
|
|
|
return rc;
|
|
} /* splat_vnode_test7() */
|
|
|
|
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);
|
|
SPLAT_TEST_INIT(sub, SPLAT_VNODE_TEST7_NAME, SPLAT_VNODE_TEST7_DESC,
|
|
SPLAT_VNODE_TEST7_ID, splat_vnode_test7);
|
|
|
|
return sub;
|
|
} /* splat_vnode_init() */
|
|
|
|
void
|
|
splat_vnode_fini(splat_subsystem_t *sub)
|
|
{
|
|
ASSERT(sub);
|
|
|
|
SPLAT_TEST_FINI(sub, SPLAT_VNODE_TEST7_ID);
|
|
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() */
|