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openwrt/tools/genext2fs/patches/300-blocksize-creator.patch

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Index: genext2fs/genext2fs.c
===================================================================
--- genext2fs.orig/genext2fs.c 2011-09-03 14:21:17.000000000 +0200
+++ genext2fs/genext2fs.c 2011-09-03 14:21:17.000000000 +0200
@@ -151,13 +151,24 @@
// block size
-#define BLOCKSIZE 1024
+static int blocksize = 1024;
+
+#define BLOCKSIZE blocksize
#define BLOCKS_PER_GROUP 8192
#define INODES_PER_GROUP 8192
/* Percentage of blocks that are reserved.*/
#define RESERVED_BLOCKS 5/100
#define MAX_RESERVED_BLOCKS 25/100
+/* The default value for s_creator_os. */
+#if defined(__GNU__)
+# define CREATOR_OS 1 /* Hurd */
+#elif defined(__FreeBSD__)
+# define CREATOR_OS 3 /* FreeBSD */
+#else
+# define CREATOR_OS 0 /* Linux */
+#endif
+
// inode block size (why is it != BLOCKSIZE ?!?)
/* The field i_blocks in the ext2 inode stores the number of data blocks
@@ -239,10 +250,10 @@
(fs)->sb.s_blocks_per_group - 1) / (fs)->sb.s_blocks_per_group)
// Get group block bitmap (bbm) given the group number
-#define GRP_GET_GROUP_BBM(fs,grp) ( get_blk((fs),(fs)->gd[(grp)].bg_block_bitmap) )
+#define GRP_GET_GROUP_BBM(fs,grp) ( get_blk((fs), get_gd((fs),(grp))->bg_block_bitmap) )
// Get group inode bitmap (ibm) given the group number
-#define GRP_GET_GROUP_IBM(fs,grp) ( get_blk((fs),(fs)->gd[(grp)].bg_inode_bitmap) )
+#define GRP_GET_GROUP_IBM(fs,grp) ( get_blk((fs), get_gd((fs),(grp))->bg_inode_bitmap) )
// Given an inode number find the group it belongs to
#define GRP_GROUP_OF_INODE(fs,nod) ( ((nod)-1) / (fs)->sb.s_inodes_per_group)
@@ -532,7 +543,7 @@
char d_name[0];
} directory;
-typedef uint8 block[BLOCKSIZE];
+typedef uint8 *block;
/* blockwalker fields:
The blockwalker is used to access all the blocks of a file (including
@@ -571,16 +582,12 @@
/* Filesystem structure that support groups */
-#if BLOCKSIZE == 1024
typedef struct
{
- block zero; // The famous block 0
- superblock sb; // The superblock
- groupdescriptor gd[0]; // The group descriptors
+ uint8 zero[1024]; // Room for bootloader stuff
+ superblock sb; // The superblock, always at 1024
+ // group descriptors come next, see get_gd() below
} filesystem;
-#else
-#error UNHANDLED BLOCKSIZE
-#endif
// now the endianness swap
@@ -820,6 +827,14 @@
return (uint8*)fs + blk*BLOCKSIZE;
}
+// the group descriptors are aligned on the block size
+static inline groupdescriptor *
+get_gd(filesystem *fs, int no)
+{
+ int gdblk = (sizeof (filesystem) + BLOCKSIZE - 1) / BLOCKSIZE;
+ return ((groupdescriptor *) get_blk(fs, gdblk)) + no;
+}
+
// return a given inode from a filesystem
static inline inode *
get_nod(filesystem *fs, uint32 nod)
@@ -829,7 +844,7 @@
offset = GRP_IBM_OFFSET(fs,nod);
grp = GRP_GROUP_OF_INODE(fs,nod);
- itab = (inode *)get_blk(fs, fs->gd[grp].bg_inode_table);
+ itab = (inode *)get_blk(fs, get_gd(fs,grp)->bg_inode_table);
return itab+offset-1;
}
@@ -875,18 +890,18 @@
grp = GRP_GROUP_OF_INODE(fs,nod);
nbgroups = GRP_NBGROUPS(fs);
- if(!(bk = allocate(get_blk(fs,fs->gd[grp].bg_block_bitmap), 0))) {
+ if(!(bk = allocate(GRP_GET_GROUP_BBM(fs, grp), 0))) {
for(grp=0;grp<nbgroups && !bk;grp++)
- bk=allocate(get_blk(fs,fs->gd[grp].bg_block_bitmap),0);
+ bk = allocate(GRP_GET_GROUP_BBM(fs, grp), 0);
grp--;
}
if (!bk)
error_msg_and_die("couldn't allocate a block (no free space)");
- if(!(fs->gd[grp].bg_free_blocks_count--))
+ if(!(get_gd(fs, grp)->bg_free_blocks_count--))
error_msg_and_die("group descr %d. free blocks count == 0 (corrupted fs?)",grp);
if(!(fs->sb.s_free_blocks_count--))
error_msg_and_die("superblock free blocks count == 0 (corrupted fs?)");
- return fs->sb.s_blocks_per_group*grp + bk;
+ return fs->sb.s_first_data_block + fs->sb.s_blocks_per_group*grp + (bk-1);
}
// free a block
@@ -897,8 +912,8 @@
grp = bk / fs->sb.s_blocks_per_group;
bk %= fs->sb.s_blocks_per_group;
- deallocate(get_blk(fs,fs->gd[grp].bg_block_bitmap), bk);
- fs->gd[grp].bg_free_blocks_count++;
+ deallocate(GRP_GET_GROUP_BBM(fs, grp), bk);
+ get_gd(fs, grp)->bg_free_blocks_count++;
fs->sb.s_free_blocks_count++;
}
@@ -918,16 +933,16 @@
/* We do it for all inodes. */
avefreei = fs->sb.s_free_inodes_count / nbgroups;
for(grp=0; grp<nbgroups; grp++) {
- if (fs->gd[grp].bg_free_inodes_count < avefreei ||
- fs->gd[grp].bg_free_inodes_count == 0)
+ if (get_gd(fs, grp)->bg_free_inodes_count < avefreei ||
+ get_gd(fs, grp)->bg_free_inodes_count == 0)
continue;
if (!best_group ||
- fs->gd[grp].bg_free_blocks_count > fs->gd[best_group].bg_free_blocks_count)
+ get_gd(fs, grp)->bg_free_blocks_count > get_gd(fs, best_group)->bg_free_blocks_count)
best_group = grp;
}
- if (!(nod = allocate(get_blk(fs,fs->gd[best_group].bg_inode_bitmap),0)))
+ if (!(nod = allocate(GRP_GET_GROUP_IBM(fs, best_group), 0)))
error_msg_and_die("couldn't allocate an inode (no free inode)");
- if(!(fs->gd[best_group].bg_free_inodes_count--))
+ if(!(get_gd(fs, best_group)->bg_free_inodes_count--))
error_msg_and_die("group descr. free blocks count == 0 (corrupted fs?)");
if(!(fs->sb.s_free_inodes_count--))
error_msg_and_die("superblock free blocks count == 0 (corrupted fs?)");
@@ -1390,7 +1405,7 @@
case FM_IFDIR:
add2dir(fs, nod, nod, ".");
add2dir(fs, nod, parent_nod, "..");
- fs->gd[GRP_GROUP_OF_INODE(fs,nod)].bg_used_dirs_count++;
+ get_gd(fs, GRP_GROUP_OF_INODE(fs,nod))->bg_used_dirs_count++;
break;
}
}
@@ -1860,7 +1875,7 @@
swap_nod(nod);
}
for(i=0;i<GRP_NBGROUPS(fs);i++)
- swap_gd(&(fs->gd[i]));
+ swap_gd(get_gd(fs, i));
swap_sb(&fs->sb);
}
@@ -1870,7 +1885,7 @@
uint32 i;
swap_sb(&fs->sb);
for(i=0;i<GRP_NBGROUPS(fs);i++)
- swap_gd(&(fs->gd[i]));
+ swap_gd(get_gd(fs, i));
for(i = 1; i < fs->sb.s_inodes_count; i++)
{
inode *nod = get_nod(fs, i);
@@ -1895,7 +1910,8 @@
// initialize an empty filesystem
static filesystem *
-init_fs(int nbblocks, int nbinodes, int nbresrvd, int holes, uint32 fs_timestamp)
+init_fs(int nbblocks, int nbinodes, int nbresrvd, int holes,
+ uint32 fs_timestamp, uint32 creator_os)
{
uint32 i;
filesystem *fs;
@@ -1921,10 +1937,14 @@
*/
min_nbgroups = (nbinodes + INODES_PER_GROUP - 1) / INODES_PER_GROUP;
+ /* On filesystems with 1k block size, the bootloader area uses a full
+ * block. For 2048 and up, the superblock can be fitted into block 0.
+ */
+ first_block = (BLOCKSIZE == 1024);
+
/* nbblocks is the total number of blocks in the filesystem.
* a block group can have no more than 8192 blocks.
*/
- first_block = (BLOCKSIZE == 1024);
nbgroups = (nbblocks - first_block + BLOCKS_PER_GROUP - 1) / BLOCKS_PER_GROUP;
if(nbgroups < min_nbgroups) nbgroups = min_nbgroups;
nbblocks_per_group = rndup((nbblocks - first_block + nbgroups - 1)/nbgroups, 8);
@@ -1936,10 +1956,10 @@
gdsz = rndup(nbgroups*sizeof(groupdescriptor),BLOCKSIZE)/BLOCKSIZE;
itblsz = nbinodes_per_group * sizeof(inode)/BLOCKSIZE;
overhead_per_group = 3 /*sb,bbm,ibm*/ + gdsz + itblsz;
- if((uint32)nbblocks - 1 < overhead_per_group * nbgroups)
- error_msg_and_die("too much overhead, try fewer inodes or more blocks. Note: options have changed, see --help or the man page.");
- free_blocks = nbblocks - overhead_per_group*nbgroups - 1 /*boot block*/;
+ free_blocks = nbblocks - overhead_per_group*nbgroups - first_block;
free_blocks_per_group = nbblocks_per_group - overhead_per_group;
+ if(free_blocks < 0)
+ error_msg_and_die("too much overhead, try fewer inodes or more blocks. Note: options have changed, see --help or the man page.");
if(!(fs = (filesystem*)calloc(nbblocks, BLOCKSIZE)))
error_msg_and_die("not enough memory for filesystem");
@@ -1959,28 +1979,31 @@
fs->sb.s_wtime = fs_timestamp;
fs->sb.s_magic = EXT2_MAGIC_NUMBER;
fs->sb.s_lastcheck = fs_timestamp;
+ fs->sb.s_creator_os = creator_os;
// set up groupdescriptors
- for(i=0, bbmpos=gdsz+2, ibmpos=bbmpos+1, itblpos=ibmpos+1;
+ for(i=0, bbmpos=first_block+1+gdsz, ibmpos=bbmpos+1, itblpos=ibmpos+1;
i<nbgroups;
i++, bbmpos+=nbblocks_per_group, ibmpos+=nbblocks_per_group, itblpos+=nbblocks_per_group)
{
+ groupdescriptor *gd = get_gd(fs, i);
+
if(free_blocks > free_blocks_per_group) {
- fs->gd[i].bg_free_blocks_count = free_blocks_per_group;
+ gd->bg_free_blocks_count = free_blocks_per_group;
free_blocks -= free_blocks_per_group;
} else {
- fs->gd[i].bg_free_blocks_count = free_blocks;
+ gd->bg_free_blocks_count = free_blocks;
free_blocks = 0; // this is the last block group
}
if(i)
- fs->gd[i].bg_free_inodes_count = nbinodes_per_group;
+ gd->bg_free_inodes_count = nbinodes_per_group;
else
- fs->gd[i].bg_free_inodes_count = nbinodes_per_group -
+ gd->bg_free_inodes_count = nbinodes_per_group -
EXT2_FIRST_INO + 2;
- fs->gd[i].bg_used_dirs_count = 0;
- fs->gd[i].bg_block_bitmap = bbmpos;
- fs->gd[i].bg_inode_bitmap = ibmpos;
- fs->gd[i].bg_inode_table = itblpos;
+ gd->bg_used_dirs_count = 0;
+ gd->bg_block_bitmap = bbmpos;
+ gd->bg_inode_bitmap = ibmpos;
+ gd->bg_inode_table = itblpos;
}
/* Mark non-filesystem blocks and inodes as allocated */
@@ -1988,9 +2011,9 @@
for(i = 0; i<nbgroups;i++) {
/* Block bitmap */
- bbm = get_blk(fs,fs->gd[i].bg_block_bitmap);
+ bbm = GRP_GET_GROUP_BBM(fs, i);
//non-filesystem blocks
- for(j = fs->gd[i].bg_free_blocks_count
+ for(j = get_gd(fs, i)->bg_free_blocks_count
+ overhead_per_group + 1; j <= BLOCKSIZE * 8; j++)
allocate(bbm, j);
//system blocks
@@ -1998,7 +2021,7 @@
allocate(bbm, j);
/* Inode bitmap */
- ibm = get_blk(fs,fs->gd[i].bg_inode_bitmap);
+ ibm = GRP_GET_GROUP_IBM(fs, i);
//non-filesystem inodes
for(j = fs->sb.s_inodes_per_group+1; j <= BLOCKSIZE * 8; j++)
allocate(ibm, j);
@@ -2012,9 +2035,9 @@
// make root inode and directory
/* We have groups now. Add the root filesystem in group 0 */
/* Also increment the directory count for group 0 */
- fs->gd[0].bg_free_inodes_count--;
- fs->gd[0].bg_used_dirs_count = 1;
- itab0 = (inode *)get_blk(fs,fs->gd[0].bg_inode_table);
+ get_gd(fs, 0)->bg_free_inodes_count--;
+ get_gd(fs, 0)->bg_used_dirs_count = 1;
+ itab0 = (inode *)get_blk(fs, get_gd(fs,0)->bg_inode_table);
itab0[EXT2_ROOT_INO-1].i_mode = FM_IFDIR | FM_IRWXU | FM_IRGRP | FM_IROTH | FM_IXGRP | FM_IXOTH;
itab0[EXT2_ROOT_INO-1].i_ctime = fs_timestamp;
itab0[EXT2_ROOT_INO-1].i_mtime = fs_timestamp;
@@ -2338,8 +2361,9 @@
for (i = 0; i < GRP_NBGROUPS(fs); i++) {
printf("Group No: %d\n", i+1);
printf("block bitmap: block %d,inode bitmap: block %d, inode table: block %d\n",
- fs->gd[i].bg_block_bitmap, fs->gd[i].bg_inode_bitmap,
- fs->gd[i].bg_inode_table);
+ get_gd(fs, i)->bg_block_bitmap,
+ get_gd(fs, i)->bg_inode_bitmap,
+ get_gd(fs, i)->bg_inode_table);
printf("block bitmap allocation:\n");
print_bm(GRP_GET_GROUP_BBM(fs, i),fs->sb.s_blocks_per_group);
printf("inode bitmap allocation:\n");
@@ -2421,10 +2445,12 @@
" -x, --starting-image <image>\n"
" -d, --root <directory>\n"
" -D, --devtable <file>\n"
+ " -B, --block-size <bytes>\n"
" -b, --size-in-blocks <blocks>\n"
" -i, --bytes-per-inode <bytes per inode>\n"
" -N, --number-of-inodes <number of inodes>\n"
" -m, --reserved-percentage <percentage of blocks to reserve>\n"
+ " -o, --creator-os <os> 'linux', 'hurd', 'freebsd' or a numerical value.\n"
" -g, --block-map <path> Generate a block map file for this path.\n"
" -e, --fill-value <value> Fill unallocated blocks with value.\n"
" -z, --allow-holes Allow files with holes.\n"
@@ -2446,6 +2472,29 @@
extern char* optarg;
extern int optind, opterr, optopt;
+// parse the value for -o <os>
+int
+lookup_creator_os(const char *name)
+{
+ static const char *const creators[] =
+ {"linux", "hurd", "2", "freebsd", NULL};
+ char *endptr;
+ int i;
+
+ // numerical value ?
+ i = strtol(name, &endptr, 0);
+ if(name[0] && *endptr == '\0')
+ return i;
+
+ // symbolic name ?
+ for(i=0; creators[i]; i++)
+ if(strcasecmp(creators[i], name) == 0)
+ return i;
+
+ // whatever ?
+ return -1;
+}
+
int
main(int argc, char **argv)
{
@@ -2455,6 +2504,7 @@
float bytes_per_inode = -1;
float reserved_frac = -1;
int fs_timestamp = -1;
+ int creator_os = CREATOR_OS;
char * fsout = "-";
char * fsin = 0;
char * dopt[MAX_DOPT];
@@ -2478,10 +2528,12 @@
{ "starting-image", required_argument, NULL, 'x' },
{ "root", required_argument, NULL, 'd' },
{ "devtable", required_argument, NULL, 'D' },
+ { "block-size", required_argument, NULL, 'B' },
{ "size-in-blocks", required_argument, NULL, 'b' },
{ "bytes-per-inode", required_argument, NULL, 'i' },
{ "number-of-inodes", required_argument, NULL, 'N' },
{ "reserved-percentage", required_argument, NULL, 'm' },
+ { "creator-os", required_argument, NULL, 'o' },
{ "block-map", required_argument, NULL, 'g' },
{ "fill-value", required_argument, NULL, 'e' },
{ "allow-holes", no_argument, NULL, 'z' },
@@ -2497,11 +2549,11 @@
app_name = argv[0];
- while((c = getopt_long(argc, argv, "x:d:D:b:i:N:m:g:e:zfqUPhVv", longopts, NULL)) != EOF) {
+ while((c = getopt_long(argc, argv, "x:d:D:B:b:i:N:m:o:g:e:zfqUPhVv", longopts, NULL)) != EOF) {
#else
app_name = argv[0];
- while((c = getopt(argc, argv, "x:d:D:b:i:N:m:g:e:zfqUPhVv")) != EOF) {
+ while((c = getopt(argc, argv, "x:d:D:B:b:i:N:m:o:g:e:zfqUPhVv")) != EOF) {
#endif /* HAVE_GETOPT_LONG */
switch(c)
{
@@ -2512,6 +2564,9 @@
case 'D':
dopt[didx++] = optarg;
break;
+ case 'B':
+ blocksize = SI_atof(optarg);
+ break;
case 'b':
nbblocks = SI_atof(optarg);
break;
@@ -2524,6 +2579,9 @@
case 'm':
reserved_frac = SI_atof(optarg) / 100;
break;
+ case 'o':
+ creator_os = lookup_creator_os(optarg);
+ break;
case 'g':
gopt[gidx++] = optarg;
break;
@@ -2567,6 +2625,11 @@
error_msg_and_die("Not enough arguments. Try --help or else see the man page.");
fsout = argv[optind];
+ if(blocksize != 1024 && blocksize != 2048 && blocksize != 4096)
+ error_msg_and_die("Valid block sizes: 1024, 2048 or 4096.");
+ if(creator_os < 0)
+ error_msg_and_die("Creator OS unknown.");
+
hdlinks.hdl = (struct hdlink_s *)malloc(hdlink_cnt * sizeof(struct hdlink_s));
if (!hdlinks.hdl)
error_msg_and_die("Not enough memory");
@@ -2611,7 +2674,8 @@
}
if(fs_timestamp == -1)
fs_timestamp = time(NULL);
- fs = init_fs(nbblocks, nbinodes, nbresrvd, holes, fs_timestamp);
+ fs = init_fs(nbblocks, nbinodes, nbresrvd, holes,
+ fs_timestamp, creator_os);
}
populate_fs(fs, dopt, didx, squash_uids, squash_perms, fs_timestamp, NULL);
Index: genext2fs/test-gen.lib
===================================================================
--- genext2fs.orig/test-gen.lib 2011-09-03 13:40:35.000000000 +0200
+++ genext2fs/test-gen.lib 2011-09-03 14:21:17.000000000 +0200
@@ -8,7 +8,7 @@
# Creates an image with a file of given size
# Usage: dgen file-size number-of-blocks
dgen () {
- size=$1; blocks=$2
+ size=$1; blocks=$2; blocksz=$3;
rm -rf test
mkdir -p test
cd test
@@ -20,7 +20,7 @@
chmod 777 file.$1
TZ=UTC-11 touch -t 200502070321.43 file.$1 .
cd ..
- ./genext2fs -N 17 -b $blocks -d test -f -q ext2.img
+ ./genext2fs -B $blocksz -N 17 -b $blocks -d test -f -o Linux -q ext2.img
}
# fgen - Exercises the -f spec-file option of genext2fs
@@ -31,7 +31,7 @@
mkdir -p test
cp $fname test
TZ=UTC-11 touch -t 200502070321.43 test/$fname
- ./genext2fs -N 92 -b $blocks -D test/$fname -f ext2.img
+ ./genext2fs -N 92 -b $blocks -D test/$fname -f -o Linux ext2.img
}
# gen_cleanup - Remove the files generated by the above functions
Index: genext2fs/test-mount.sh
===================================================================
--- genext2fs.orig/test-mount.sh 2011-09-03 13:40:35.000000000 +0200
+++ genext2fs/test-mount.sh 2011-09-03 14:21:17.000000000 +0200
@@ -33,9 +33,9 @@
# and returns the command line with which to invoke dtest()
# Usage: dtest-mount file-size number-of-blocks
dtest_mount () {
- size=$1; blocks=$2
- echo Testing with file of size $size
- dgen $size $blocks
+ size=$1; blocks=$2; blocksz=$3;
+ echo Testing $blocks blocks of $blocksz bytes with file of size $size
+ dgen $size $blocks $blocksz
/sbin/e2fsck -fn ext2.img || fail
mkdir -p mnt
mount -t ext2 -o ro,loop ext2.img mnt || fail
@@ -44,7 +44,7 @@
awk '{print $5}'`" ] ; then
fail
fi
- pass dtest $size $blocks
+ pass dtest $size $blocks $blocksz
}
# ftest-mount - Exercise the -f spec-file option of genext2fs
@@ -75,13 +75,21 @@
pass ftest $fname $blocks
}
-dtest_mount 0 4096
-dtest_mount 0 8193
-dtest_mount 0 8194
-dtest_mount 1 4096
-dtest_mount 12288 4096
-dtest_mount 274432 4096
-dtest_mount 8388608 9000
-dtest_mount 16777216 20000
+dtest_mount 0 4096 1024
+dtest_mount 0 2048 2048
+dtest_mount 0 1024 4096
+dtest_mount 0 8193 1024
+dtest_mount 0 8194 1024
+dtest_mount 0 8193 4096
+dtest_mount 0 8194 2048
+dtest_mount 1 4096 1024
+dtest_mount 1 1024 4096
+dtest_mount 12288 4096 1024
+dtest_mount 274432 4096 1024
+dtest_mount 8388608 9000 1024
+dtest_mount 8388608 4500 2048
+dtest_mount 8388608 2250 4096
+dtest_mount 16777216 20000 1024
+dtest_mount 16777216 10000 2048
ftest_mount device_table.txt 4096
Index: genext2fs/test.sh
===================================================================
--- genext2fs.orig/test.sh 2011-09-03 13:40:35.000000000 +0200
+++ genext2fs/test.sh 2011-09-03 14:21:17.000000000 +0200
@@ -30,9 +30,9 @@
# Creates an image with a file of given size and verifies it
# Usage: dtest file-size number-of-blocks correct-checksum
dtest () {
- size=$1; blocks=$2; checksum=$3
+ size=$1; blocks=$2; blocksz=$3; checksum=$4
echo Testing with file of size $size
- dgen $size $blocks
+ dgen $size $blocks $blocksz
md5cmp $checksum
gen_cleanup
}
@@ -53,12 +53,20 @@
# replace the following lines with the output of
# sudo sh test-mount.sh|grep test
-dtest 0 4096 3bc6424b8fcd51a0de34ee59d91d5f16
-dtest 0 8193 f174804f6b433b552706cbbfc60c416d
-dtest 0 8194 4855a55d0cbdc44584634df49ebd5711
-dtest 1 4096 09c569b6bfb45222c729c42d04d5451f
-dtest 12288 4096 61febcbfbf32024ef99103fcdc282c39
-dtest 274432 4096 0c517803552c55c1806e4220b0a0164f
-dtest 8388608 9000 e0e5ea15bced10ab486d8135584b5d8e
-dtest 16777216 20000 fdf636eb905ab4dc1bf76dce5ac5d209
+dtest 0 4096 1024 3bc6424b8fcd51a0de34ee59d91d5f16
+dtest 0 2048 2048 230afa16496df019878cc2370c661cdc
+dtest 0 1024 4096 ebff5eeb38b70f3f1cd081e60eb44561
+dtest 0 8193 1024 f174804f6b433b552706cbbfc60c416d
+dtest 0 8194 1024 4855a55d0cbdc44584634df49ebd5711
+dtest 0 8193 4096 c493679698418ec7e6552005e2d2a6d8
+dtest 0 8194 2048 ec13f328fa7543563f35f494bddc059c
+dtest 1 4096 1024 09c569b6bfb45222c729c42d04d5451f
+dtest 1 1024 4096 d318a326fdc907810ae9e6b0a20e9b06
+dtest 12288 4096 1024 61febcbfbf32024ef99103fcdc282c39
+dtest 274432 4096 1024 0c517803552c55c1806e4220b0a0164f
+dtest 8388608 9000 1024 e0e5ea15bced10ab486d8135584b5d8e
+dtest 8388608 4500 2048 39f4d537a72f5053fd6891721c59680d
+dtest 8388608 2250 4096 1d697fa4bc2cfffe02ac91edfadc40bf
+dtest 16777216 20000 1024 fdf636eb905ab4dc1bf76dce5ac5d209
+dtest 16777216 10000 2048 f9824a81ea5e74fdf469c097927c292b
ftest device_table.txt 4096 a0af06d944b11d2902dfd705484c64cc
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