+++ /dev/null
-/*
- * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
- */
-
-#include <libxfs.h>
-#include <jdm.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-
-/* simple test program to try out a bunch of ioctls:
- * XFS_IOC_FSCOUNTS
- * XFS_IOC_GET_RESBLKS
- * XFS_IOC_SET_RESBLKS
- * XFS_IOC_PATH_TO_FSHANDLE
- * XFS_IOC_PATH_TO_HANDLE
- * XFS_IOC_FD_TO_HANDLE
- * XFS_IOC_OPEN_BY_HANDLE
- * XFS_IOC_READLINK_BY_HANDLE
-*/
-
-
-void fscounts(int fsfd)
-{
- xfs_fsop_counts_t counts;
- int ret;
-
- ret=ioctl(fsfd, XFS_IOC_FSCOUNTS, &counts);
- if (ret) {
- perror("ioctl(XFS_IOC_FSCOUNTS)");
- exit(1);
- }
-
- printf("XFS_IOC_FSCOUNTS-\n freedata: %lld freertx: %lld freeino: %lld allocino: %lld\n",
- counts.freedata, counts.freertx, counts.freeino, counts.allocino);
-}
-
-__u64 getresblks(int fsfd)
-{
- xfs_fsop_resblks_t res;
- int ret;
-
- ret=ioctl(fsfd, XFS_IOC_GET_RESBLKS, &res);
- if (ret) {
- perror("ioctl(XFS_IOC_GET_RESBLKS)");
- exit(1);
- }
-
- printf("XFS_IOC_GET_RESBLKS-\n resblks: %lld blksavail: %lld\n",
- res.resblks, res.resblks_avail);
-
- return res.resblks;
-}
-
-__u64 setresblks(int fsfd, __u64 blks)
-{
- xfs_fsop_resblks_t res;
- int ret;
-
- res.resblks=blks;
- ret=ioctl(fsfd, XFS_IOC_SET_RESBLKS, &res);
- if (ret) {
- perror("ioctl(XFS_IOC_SET_RESBLKS)");
- exit(1);
- }
-
- printf("XFS_IOC_SET_RESBLKS-\n resblks: %lld blksavail: %lld\n",
- res.resblks, res.resblks_avail);
-
- return res.resblks;
-}
-
-void handle_print(void *handle, int handlen)
-{
- char *p=handle;
- if (!handle||!handlen) {
- printf("%s",handle?"<zero len>":"<NULL>");
- return;
- };
-
- printf("#");
- while (handlen--)
- printf("%02x", *p++);
-}
-
-void stat_print(int fd)
-{
- struct stat buf;
-
- if (fstat(fd, &buf)) {
- perror("stat");
- exit(1);
- }
- printf("dev: %llu ino: %llu mode: %o\n",
- (__u64)buf.st_dev, (__u64)buf.st_ino, buf.st_mode);
-}
-
-
-void handle(int fsfd, char *path)
-{
- xfs_fsop_handlereq_t handle;
- char buffer[1024];
- char link[1024];
- int ret;
- __u32 len;
- __u32 linklen;
- int fd;
-
- handle.path=path;
- handle.ohandle=buffer;
- handle.ohandlen=&len;
- ret=ioctl(fsfd, XFS_IOC_PATH_TO_FSHANDLE, &handle);
- if (ret) {
- perror("ioctl(XFS_IOC_PATH_TO_FSHANDLE)");
- exit(1);
- }
- printf("XFS_IOC_PATH_TO_FSHANDLE-\n handle: ");
- handle_print(handle.ohandle, *handle.ohandlen);
- printf("\n");
-
- fd=open(path,O_RDONLY);
- if (fd<0) {
- perror("open");
- exit(1);
- }
- handle.path=NULL;
- handle.fd=fd;
- handle.ohandle=buffer;
- handle.ohandlen=&len;
- ret=ioctl(fsfd, XFS_IOC_FD_TO_HANDLE, &handle);
- if (ret) {
- perror("ioctl(XFS_IOC_FD_TO_HANDLE)");
- exit(1);
- }
-
- printf("XFS_IOC_FD_TO_HANDLE-\n path: %s\n handle: ", path);
- handle_print(handle.ohandle, *handle.ohandlen);
- printf("\n");
-
- close(fd);
-
- handle.path=NULL;
- handle.fd=-1;
- handle.ihandle=buffer;
- handle.ihandlen=len;
- handle.ohandle=NULL;
- handle.ohandlen=NULL;
- ret=ioctl(fsfd, XFS_IOC_OPEN_BY_HANDLE, &handle);
- if (ret<0) {
- perror("ioctl(XFS_IOC_OPEN_BY_HANDLE)");
- exit(1);
- }
- printf("XFS_IOC_OPEN_BY_HANDLE-\n handle: ");
- handle_print(handle.ihandle, handle.ihandlen);
- printf("\n fd: %d\n stat- ", ret);
- stat_print(ret);
- close(ret);
-
- handle.path=path;
- handle.ohandle=buffer;
- handle.ohandlen=&len;
- ret=ioctl(fsfd, XFS_IOC_PATH_TO_HANDLE, &handle);
- if (ret) {
- perror("ioctl(XFS_IOC_PATH_TO_HANDLE)");
- exit(1);
- }
- printf("XFS_IOC_PATH_TO_HANDLE-\n path: %s\n handle: ", path);
- handle_print(handle.ohandle, *handle.ohandlen);
- printf("\n");
-
- handle.path=NULL;
- handle.fd=-1;
- handle.ihandle=buffer;
- handle.ihandlen=len;
- handle.ohandle=link;
- linklen=sizeof(link);
- handle.ohandlen=&linklen;
- ret=ioctl(fsfd, XFS_IOC_READLINK_BY_HANDLE, &handle);
- if (ret<0) {
- perror("ioctl(XFS_IOC_READLINK_BY_HANDLE)");
- fprintf(stderr,"ERROR IGNORED\n");
- } else {
- printf("XFS_IOC_READLINK_BY_HANDLE-\n handle: ");
- handle_print(handle.ihandle, handle.ihandlen);
- printf("\n link=\"%*.*s\"\n",
- ret, ret, (char*)handle.ohandle);
- }
-}
-
-int
-main(int argc, char **argv)
-{
- int fsfd;
-
- if (argc != 3) {
- fprintf(stderr,"usage: %s <filesystem> <file/link in FS>\n",
- argv[0]);
- exit(0);
- }
-
- fsfd = open(argv[1], O_RDONLY);
- if (fsfd < 0) {
- perror("open");
- exit(1);
- }
-
- /* XFS_IOC_FSCOUNTS */
- fscounts(fsfd);
- /* XFS_IOC_GET_RESBLKS & XFS_IOC_SET_RESBLKS */
- getresblks(fsfd);
- setresblks(fsfd, 1000);
- getresblks(fsfd);
- setresblks(fsfd, 0);
- /* XFS_IOC_FSINUMBERS */
-
- /* NYI in kernel */
-
- /* XFS_IOC_PATH_TO_FSHANDLE */
- /* XFS_IOC_PATH_TO_HANDLE */
- /* XFS_IOC_FD_TO_HANDLE */
- /* XFS_IOC_OPEN_BY_HANDLE */
- /* XFS_IOC_READLINK_BY_HANDLE */
- handle(fsfd, argv[2]);
-
- return 0;
-}