b = block;
ret = ioctl(fd, FIBMAP, &b); /* FIBMAP takes pointer to integer */
- if (ret < 0) {
- if (errno == EPERM) {
- fprintf(stderr, "No permission to use FIBMAP ioctl; "
- "must have root privileges\n");
- }
- }
+ if (ret < 0)
+ return -errno;
*phy_blk = b;
return ret;
"expected:");
}
+static void print_flag(__u32 *flags, __u32 mask, char *buf, const char *name)
+{
+ if ((*flags & mask) == 0)
+ return;
+
+ strcat(buf, name);
+ *flags &= ~mask;
+}
+
static void print_extent_info(struct fiemap_extent *fm_extent, int cur_ex,
unsigned long long expected, int blk_shift,
ext2fs_struct_stat *st)
unsigned long long logical_blk;
unsigned long long ext_len;
unsigned long long ext_blks;
+ __u32 fe_flags, mask;
char flags[256] = "";
/* For inline data all offsets should be in bytes, not blocks */
ext_len = fm_extent->fe_length >> blk_shift;
ext_blks = (fm_extent->fe_length - 1) >> blk_shift;
logical_blk = fm_extent->fe_logical >> blk_shift;
- physical_blk = fm_extent->fe_physical >> blk_shift;
+ if (fm_extent->fe_flags & FIEMAP_EXTENT_UNKNOWN) {
+ physical_blk = 0;
+ } else {
+ physical_blk = fm_extent->fe_physical >> blk_shift;
+ }
if (expected)
sprintf(flags, ext_fmt == hex_fmt ? "%*llx: " : "%*llu: ",
else
sprintf(flags, "%.*s ", physical_width, " ");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_UNKNOWN)
- strcat(flags, "unknown,");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_DELALLOC)
- strcat(flags, "delalloc,");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_DATA_ENCRYPTED)
- strcat(flags, "encrypted,");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_NOT_ALIGNED)
- strcat(flags, "not_aligned,");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_DATA_INLINE)
- strcat(flags, "inline,");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_DATA_TAIL)
- strcat(flags, "tail_packed,");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_UNWRITTEN)
- strcat(flags, "unwritten,");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_MERGED)
- strcat(flags, "merged,");
- if (fm_extent->fe_flags & FIEMAP_EXTENT_SHARED)
- strcat(flags, "shared,");
-
- if (fm_extent->fe_logical + fm_extent->fe_length >= (__u64) st->st_size)
+ fe_flags = fm_extent->fe_flags;
+ print_flag(&fe_flags, FIEMAP_EXTENT_LAST, flags, "last,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_UNKNOWN, flags, "unknown_loc,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_DELALLOC, flags, "delalloc,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_ENCODED, flags, "encoded,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_DATA_ENCRYPTED, flags,"encrypted,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_NOT_ALIGNED, flags, "not_aligned,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_DATA_INLINE, flags, "inline,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_DATA_TAIL, flags, "tail_packed,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_UNWRITTEN, flags, "unwritten,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_MERGED, flags, "merged,");
+ print_flag(&fe_flags, FIEMAP_EXTENT_SHARED, flags, "shared,");
+ /* print any unknown flags as hex values */
+ for (mask = 1; fe_flags != 0 && mask != 0; mask <<= 1) {
+ char hex[6];
+
+ if (fe_flags & mask == 0)
+ continue;
+ sprintf(hex, "%#04x,", mask);
+ print_flag(&fe_flags, mask, flags, hex);
+ }
+
+ if (fm_extent->fe_logical + fm_extent->fe_length >= st->st_size)
strcat(flags, "eof,");
/* Remove trailing comma, if any */
- if (flags[0])
- flags[strlen(flags) - 1] = '\0';
+ if (flags[0] != '\0')
+ flags[strnlen(flags, sizeof(flags)) - 1] = '\0';
printf(ext_fmt, cur_ex, logical_width, logical_blk,
logical_width, logical_blk + ext_blks,
unsigned long long expected = 0;
unsigned long flags = 0;
unsigned int i;
- static int fiemap_incompat_printed;
int fiemap_header_printed = 0;
int tot_extents = 0, n = 0;
int last = 0;
fiemap->fm_extent_count = count;
rc = ioctl(fd, FS_IOC_FIEMAP, (unsigned long) fiemap);
if (rc < 0) {
- if (errno == EBADR && fiemap_incompat_printed == 0) {
- printf("FIEMAP failed with unsupported "
- "flags %x\n", fiemap->fm_flags);
+ static int fiemap_incompat_printed;
+ rc = -errno;
+ if (rc == -EBADR && !fiemap_incompat_printed) {
+ printf("FIEMAP failed with unknown flags %#x\n",
+ fiemap->fm_flags);
fiemap_incompat_printed = 1;
}
return rc;
return count;
}
-static void frag_report(const char *filename)
+static int frag_report(const char *filename)
{
static struct statfs fsinfo;
ext2fs_struct_stat st;
static dev_t last_device;
unsigned int flags;
int width;
+ int rc = 0;
#if defined(HAVE_OPEN64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
fd = open64(filename, O_RDONLY);
fd = open(filename, O_RDONLY);
#endif
if (fd < 0) {
+ rc = -errno;
perror("open");
- return;
+ return rc;
}
#if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED)
if (fstat(fd, &st) < 0) {
#endif
close(fd);
+ rc = -errno;
perror("stat");
- return;
+ return rc;
}
if (last_device != st.st_dev) {
}
if (verbose)
printf("Filesystem type is: %lx\n",
- (unsigned long) fsinfo.f_type);
+ (unsigned long)fsinfo.f_type);
}
st.st_blksize = fsinfo.f_bsize;
if (ioctl(fd, EXT3_IOC_GETFLAGS, &flags) < 0)
numblocks * fsinfo.f_bsize >> blk_shift,
numblocks == 1 ? "" : "s", 1 << blk_shift);
- if (force_bmap ||
- filefrag_fiemap(fd, blk_shift, &num_extents, &st) != 0) {
+ if (!force_bmap) {
+ rc = filefrag_fiemap(fd, blk_shift, &num_extents, &st);
+ expected = 0;
+ }
+
+ if (rc < 0) {
expected = filefrag_fibmap(fd, blk_shift, &num_extents,
&st, numblocks, is_ext2);
if (expected < 0) {
- if (errno == EINVAL || errno == ENOTTY) {
+ if (expected == -EINVAL || expected == -ENOTTY) {
fprintf(stderr, "%s: FIBMAP unsupported\n",
filename);
- } else if (errno != EPERM) {
+ } else if (expected == -EPERM) {
+ fprintf(stderr,
+ "%s: FIBMAP requires root privileges\n",
+ filename);
+ } else {
fprintf(stderr, "%s: FIBMAP error: %s",
- filename, strerror(errno));
+ filename, strerror(expected));
}
+ rc = expected;
goto out_close;
+ } else {
+ rc = 0;
}
expected = expected / data_blocks_per_cyl + 1;
}
fputc('\n', stdout);
out_close:
close(fd);
+
+ return rc;
}
static void usage(const char *progname)
int main(int argc, char**argv)
{
char **cpp;
- int c;
+ int rc = 0, c;
while ((c = getopt(argc, argv, "Bb::eksvxX")) != EOF)
switch (c) {
usage(argv[0]);
break;
}
+
if (optind == argc)
usage(argv[0]);
- for (cpp=argv+optind; *cpp; cpp++)
- frag_report(*cpp);
- return 0;
+
+ for (cpp = argv + optind; *cpp != '\0'; cpp++) {
+ int rc2 = frag_report(*cpp);
+
+ if (rc2 < 0 && rc == 0)
+ rc == rc2;
+ }
+
+ return rc;
}
#endif