#include <ext2fs/ext2fs.h>
#include <ext2fs/ext2_types.h>
#include <ext2fs/fiemap.h>
+#include "../version.h"
int verbose = 0;
unsigned int blocksize; /* Use specified blocksize (default 1kB) */
int sync_file = 0; /* fsync file before getting the mapping */
int precache_file = 0; /* precache the file before getting the mapping */
int xattr_map = 0; /* get xattr mapping */
-int force_bmap; /* force use of FIBMAP instead of FIEMAP */
+int force_bmap; /* force use of FIBMAP instead of FIEMAP */
int force_extent; /* print output in extent format always */
int use_extent_cache; /* Use extent cache */
int logical_width = 8;
static void print_flag(__u32 *flags, __u32 mask, char *buf, const char *name)
{
+ char hex[sizeof(mask) * 2 + 4]; /* 2 chars/byte + 0x, + NUL */
+
if ((*flags & mask) == 0)
return;
+ if (name == NULL) {
+ sprintf(hex, "%#04x,", mask);
+ name = hex;
+ }
strcat(buf, name);
*flags &= ~mask;
}
+static void print_flags(__u32 fe_flags, char *flags, int len, int print_unknown)
+{
+ __u32 mask;
+
+ 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_flag(&fe_flags, EXT4_FIEMAP_EXTENT_HOLE, flags, "hole,");
+
+ if (!print_unknown)
+ goto out;
+
+ /* print any unknown flags as hex values */
+ for (mask = 1; fe_flags != 0 && mask != 0; mask <<= 1)
+ print_flag(&fe_flags, mask, flags, NULL);
+out:
+ /* Remove trailing comma, if any */
+ if (flags[0])
+ flags[strnlen(flags, len) - 1] = '\0';
+
+}
+
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 ext_len;
unsigned long long ext_blks;
unsigned long long ext_blks_phys;
- __u32 fe_flags, mask;
char flags[256] = "";
/* For inline data all offsets should be in bytes, not blocks */
physical_blk = fm_extent->fe_physical >> blk_shift;
}
- fe_flags = fm_extent->fe_flags;
if (expected &&
- !(fe_flags & FIEMAP_EXTENT_UNKNOWN) &&
- !(fe_flags & EXT4_FIEMAP_EXTENT_HOLE))
+ !(fm_extent->fe_flags & FIEMAP_EXTENT_UNKNOWN) &&
+ !(fm_extent->fe_flags & EXT4_FIEMAP_EXTENT_HOLE))
sprintf(flags, ext_fmt == hex_fmt ? "%*llx: " : "%*llu: ",
physical_width, expected >> blk_shift);
else
sprintf(flags, "%.*s ", physical_width, " ");
- 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_flag(&fe_flags, EXT4_FIEMAP_EXTENT_HOLE, flags, "hole,");
- /* print any unknown flags as hex values */
- for (mask = 1; fe_flags != 0 && mask != 0; mask <<= 1) {
- char hex[sizeof(mask) * 2 + 4]; /* 2 chars/byte + 0x, + NUL */
-
- if ((fe_flags & mask) == 0)
- continue;
- sprintf(hex, "%#04x,", mask);
- print_flag(&fe_flags, mask, flags, hex);
- }
+ print_flags(fm_extent->fe_flags, flags, sizeof(flags), 1);
if (fm_extent->fe_logical + fm_extent->fe_length >=
- (unsigned long long) st->st_size)
- strcat(flags, "eof,");
-
- /* Remove trailing comma, if any */
- if (flags[0] != '\0')
- flags[strnlen(flags, sizeof(flags)) - 1] = '\0';
+ (unsigned long long)st->st_size)
+ strcat(flags, flags[0] ? ",eof" : "eof");
if ((fm_extent->fe_flags & FIEMAP_EXTENT_UNKNOWN) ||
(fm_extent->fe_flags & EXT4_FIEMAP_EXTENT_HOLE)) {
&st, numblocks, is_ext2);
if (expected < 0) {
if (expected == -EINVAL || expected == -ENOTTY) {
- fprintf(stderr, "%s: FIBMAP unsupported\n",
- filename);
+ fprintf(stderr, "%s: FIBMAP%s unsupported\n",
+ filename, force_bmap ? "" : "/FIEMAP");
} else if (expected == -EPERM) {
fprintf(stderr,
"%s: FIBMAP requires root privileges\n",
{
char **cpp;
int rc = 0, c;
+ int version = 0;
- while ((c = getopt(argc, argv, "Bb::eEkPsvxX")) != EOF) {
+ while ((c = getopt(argc, argv, "Bb::eEkPsvVxX")) != EOF) {
switch (c) {
case 'B':
force_bmap++;
case 'v':
verbose++;
break;
+ case 'V':
+ version++;
+ break;
case 'x':
xattr_map++;
break;
break;
}
}
+ if (version) {
+ /* Print version number and exit */
+ printf("filefrag %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
+ if (version + verbose > 1) {
+ char flags[256] = "";
+
+ print_flags(0xffffffff, flags, sizeof(flags), 0);
+ printf("supported: %s\n", flags);
+ }
+ exit(0);
+ }
if (optind == argc)
usage(argv[0]);
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff