#if !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__OpenBSD__)
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#define _XOPEN_SOURCE 600
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#define _DARWIN_C_SOURCE
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#define _FILE_OFFSET_BITS 64
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#ifndef _LARGEFILE_SOURCE
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#define _LARGEFILE_SOURCE
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#endif
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#ifndef _LARGEFILE64_SOURCE
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#define _LARGEFILE64_SOURCE
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#endif
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#endif
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#ifndef O_LARGEFILE
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#define O_LARGEFILE 0
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#endif
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#include <f2fs_fs.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_SYSMACROS_H
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#include <sys/sysmacros.h>
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#endif
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#include <libgen.h>
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#ifdef HAVE_LINUX_HDREG_H
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#include <linux/hdreg.h>
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#endif
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#ifdef HAVE_LINUX_TYPES_H
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#include <linux/types.h>
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#endif
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#ifdef __KERNEL__
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#include <linux/fs.h>
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#endif
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#include <inttypes.h>
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#ifndef FIBMAP
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#define FIBMAP _IO(0x00, 1) /* bmap access */
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#endif
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struct file_ext {
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__u32 f_pos;
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__u32 start_blk;
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__u32 end_blk;
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__u32 blk_count;
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};
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void print_ext(struct file_ext *ext)
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{
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if (ext->end_blk == 0)
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printf("%8d %8d %8d %8d\n", ext->f_pos, 0, 0, ext->blk_count);
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else
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printf("%8d %8d %8d %8d\n", ext->f_pos, ext->start_blk,
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ext->end_blk, ext->blk_count);
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}
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#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
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void print_stat(struct stat64 *st)
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#else
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void print_stat(struct stat *st)
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#endif
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{
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printf("--------------------------------------------\n");
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printf("dev [%d:%d]\n", major(st->st_dev), minor(st->st_dev));
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printf("ino [0x%8"PRIx64" : %"PRIu64"]\n",
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st->st_ino, st->st_ino);
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printf("mode [0x%8x : %d]\n", st->st_mode, st->st_mode);
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printf("nlink [0x%8lx : %ld]\n",
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(unsigned long)st->st_nlink,
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(long)st->st_nlink);
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printf("uid [0x%8x : %d]\n", st->st_uid, st->st_uid);
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printf("gid [0x%8x : %d]\n", st->st_gid, st->st_gid);
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printf("size [0x%8"PRIx64" : %"PRIu64"]\n",
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(u64)st->st_size, (u64)st->st_size);
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printf("blksize [0x%8lx : %ld]\n",
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(unsigned long)st->st_blksize,
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(long)st->st_blksize);
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printf("blocks [0x%8"PRIx64" : %"PRIu64"]\n",
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(u64)st->st_blocks, (u64)st->st_blocks);
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printf("--------------------------------------------\n\n");
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}
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#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
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static void stat_bdev(struct stat64 *st, unsigned int *start_lba)
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#else
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static void stat_bdev(struct stat *st, unsigned int *start_lba)
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#endif
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{
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struct stat bdev_stat;
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#ifdef HDIO_GETGIO
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struct hd_geometry geom;
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#endif
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char devname[32] = { 0, };
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char linkname[32] = { 0, };
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int fd;
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sprintf(devname, "/dev/block/%d:%d", major(st->st_dev), minor(st->st_dev));
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fd = open(devname, O_RDONLY);
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if (fd < 0)
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return;
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if (fstat(fd, &bdev_stat) < 0)
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goto out;
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if (S_ISBLK(bdev_stat.st_mode)) {
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#ifdef HDIO_GETGIO
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if (ioctl(fd, HDIO_GETGEO, &geom) < 0)
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*start_lba = 0;
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else
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*start_lba = geom.start;
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#else
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*start_lba = 0;
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#endif
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}
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if (readlink(devname, linkname, sizeof(linkname)) < 0)
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goto out;
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printf("----------------bdev info-------------------\n");
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printf("devname = %s\n", basename(linkname));
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printf("start_lba = %u\n", *start_lba);
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out:
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close(fd);
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}
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int main(int argc, char *argv[])
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{
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int fd;
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int ret = 0;
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char *filename;
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#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
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struct stat64 st;
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#else
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struct stat st;
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#endif
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int total_blks;
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unsigned int i;
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struct file_ext ext;
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__u32 start_lba;
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__u32 blknum;
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if (argc != 2) {
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fprintf(stderr, "No filename\n");
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exit(-1);
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}
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filename = argv[1];
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fd = open(filename, O_RDONLY|O_LARGEFILE);
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if (fd < 0) {
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ret = errno;
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perror(filename);
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exit(-1);
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}
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fsync(fd);
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#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
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if (fstat64(fd, &st) < 0) {
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#else
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if (fstat(fd, &st) < 0) {
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#endif
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ret = errno;
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perror(filename);
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goto out;
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}
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stat_bdev(&st, &start_lba);
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total_blks = (st.st_size + st.st_blksize - 1) / st.st_blksize;
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printf("\n----------------file info-------------------\n");
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printf("%s :\n", filename);
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print_stat(&st);
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printf("file_pos start_blk end_blk blks\n");
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blknum = 0;
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if (ioctl(fd, FIBMAP, &blknum) < 0) {
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ret = errno;
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perror("ioctl(FIBMAP)");
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goto out;
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}
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ext.f_pos = 0;
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ext.start_blk = blknum;
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ext.end_blk = blknum;
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ext.blk_count = 1;
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for (i = 1; i < total_blks; i++) {
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blknum = i;
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if (ioctl(fd, FIBMAP, &blknum) < 0) {
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ret = errno;
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perror("ioctl(FIBMAP)");
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goto out;
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}
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if ((blknum == 0 && blknum == ext.end_blk) || (ext.end_blk + 1) == blknum) {
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ext.end_blk = blknum;
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ext.blk_count++;
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} else {
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print_ext(&ext);
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ext.f_pos = i * st.st_blksize;
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ext.start_blk = blknum;
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ext.end_blk = blknum;
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ext.blk_count = 1;
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}
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}
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print_ext(&ext);
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out:
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close(fd);
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return ret;
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}
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