mkfs_ext2: more work. added test script
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
f9d3a91a89
commit
e8405619fa
@ -163,17 +163,16 @@ int mkfs_ext2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
||||
int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
{
|
||||
unsigned i, pos, n;
|
||||
unsigned bs, blocksize, blocksize_log2;
|
||||
unsigned bs, bpi;
|
||||
unsigned blocksize, blocksize_log2;
|
||||
unsigned nreserved = 5;
|
||||
unsigned long long nblocks_ull;
|
||||
unsigned long long kilobytes;
|
||||
uint32_t nblocks;
|
||||
uint32_t ngroups;
|
||||
unsigned bytes_per_inode;
|
||||
uint32_t nblocks_per_group;
|
||||
uint32_t bytes_per_inode;
|
||||
uint32_t first_data_block;
|
||||
uint32_t ninodes;
|
||||
uint32_t ninodes_per_group;
|
||||
uint32_t gdtsz, rgdtsz, itsz;
|
||||
uint32_t gdtsz, itsz;
|
||||
time_t timestamp;
|
||||
unsigned opts;
|
||||
const char *label;
|
||||
@ -186,7 +185,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
|
||||
opt_complementary = "-1:b+:m+:i+";
|
||||
opts = getopt32(argv, "cl:b:f:i:I:J:G:N:m:o:g:L:M:O:r:E:T:U:jnqvFS",
|
||||
NULL, &bs, NULL, &bytes_per_inode, NULL, NULL, NULL, NULL,
|
||||
NULL, &bs, NULL, &bpi, NULL, NULL, NULL, NULL,
|
||||
&nreserved, NULL, NULL, &label, NULL, NULL, NULL, NULL, NULL, NULL);
|
||||
argv += optind; // argv[0] -- device
|
||||
|
||||
@ -195,7 +194,8 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
bb_error_msg_and_die("-%c is bad", 'm');
|
||||
|
||||
// check the device is a block device
|
||||
xstat(argv[0], &st);
|
||||
xmove_fd(xopen(argv[0], O_WRONLY), fd);
|
||||
fstat(fd, &st);
|
||||
if (!S_ISBLK(st.st_mode) && !(opts & OPT_F))
|
||||
bb_error_msg_and_die("not a block device");
|
||||
|
||||
@ -206,22 +206,29 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
bb_error_msg_and_die("can't format mounted filesystem");
|
||||
|
||||
// open the device, get size in kbytes
|
||||
xmove_fd(xopen3(argv[0], O_WRONLY | O_CREAT, 0666), fd);
|
||||
if (argv[1]) {
|
||||
nblocks_ull = xatoull(argv[1]);
|
||||
kilobytes = xatoull(argv[1]);
|
||||
} else {
|
||||
nblocks_ull = (uoff_t)xlseek(fd, 0, SEEK_END) / 1024;
|
||||
kilobytes = (uoff_t)xlseek(fd, 0, SEEK_END) / 1024;
|
||||
}
|
||||
|
||||
bytes_per_inode = 16384;
|
||||
if (kilobytes < 512*1024)
|
||||
bytes_per_inode = 4096;
|
||||
if (kilobytes < 3*1024)
|
||||
bytes_per_inode = 8192;
|
||||
if (opts & OPT_i)
|
||||
bytes_per_inode = bpi;
|
||||
|
||||
// block size is a multiple of 1024
|
||||
blocksize = 1024;
|
||||
if (nblocks_ull >= 512*1024) // mke2fs 1.41.9 compat
|
||||
if (kilobytes >= 512*1024) // mke2fs 1.41.9 compat
|
||||
blocksize = 4096;
|
||||
if (EXT2_MAX_BLOCK_SIZE > 4096) {
|
||||
// nblocks_ull >> 22 == size in 4gigabyte chunks.
|
||||
// kilobytes >> 22 == size in 4gigabyte chunks.
|
||||
// if it is >= 16k gigs, blocksize must be increased.
|
||||
// Try "mke2fs -F image_std $((16 * 1024*1024*1024))"
|
||||
while ((nblocks_ull >> 22) >= blocksize)
|
||||
while ((kilobytes >> 22) >= blocksize)
|
||||
blocksize *= 2;
|
||||
}
|
||||
if (opts & OPT_b)
|
||||
@ -233,13 +240,49 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
bb_error_msg_and_die("blocksize %u is bad", blocksize);
|
||||
}
|
||||
blocksize_log2 = int_log2(blocksize);
|
||||
nblocks_ull >>= (blocksize_log2 - EXT2_MIN_BLOCK_LOG_SIZE);
|
||||
kilobytes >>= (blocksize_log2 - EXT2_MIN_BLOCK_LOG_SIZE);
|
||||
// nblocks: the total number of blocks in the filesystem
|
||||
nblocks = nblocks_ull;
|
||||
if (nblocks != nblocks_ull)
|
||||
nblocks = kilobytes;
|
||||
if (nblocks != kilobytes)
|
||||
bb_error_msg_and_die("block count doesn't fit in 32 bits");
|
||||
if (nblocks < 8)
|
||||
bb_error_msg_and_die("need >= 8 blocks");
|
||||
#define kilobytes kilobytes_unused_after_this
|
||||
|
||||
// number of bits in one block, i.e. 8*blocksize
|
||||
#define blocks_per_group (8 * blocksize)
|
||||
|
||||
/* e2fsprogs-1.41.9
|
||||
overhead = 2 + fs->inode_blocks_per_group;
|
||||
if (has_super(fs->group_desc_count - 1))
|
||||
overhead += 1 + fs->desc_blocks + super->s_reserved_gdt_blocks;
|
||||
rem = (nblocks - first_data_block) % blocks_per_group);
|
||||
if ((fs->group_desc_count == 1) && rem && (rem < overhead)) {
|
||||
retval = EXT2_ET_TOOSMALL;
|
||||
goto cleanup;
|
||||
}
|
||||
if (rem && (rem < overhead+50)) {
|
||||
nblocks -= rem;
|
||||
goto retry;
|
||||
}
|
||||
*/
|
||||
|
||||
// N.B. a block group can have no more than blocks_per_group blocks
|
||||
first_data_block = (EXT2_MIN_BLOCK_SIZE == blocksize);
|
||||
ngroups = div_roundup(nblocks - first_data_block, blocks_per_group);
|
||||
if (0 == ngroups)
|
||||
bb_error_msg_and_die("ngroups");
|
||||
|
||||
{
|
||||
// ninodes is the total number of inodes (files) in the file system
|
||||
uint32_t ninodes = nblocks / (bytes_per_inode >> blocksize_log2);
|
||||
if (ninodes < EXT2_GOOD_OLD_FIRST_INO+1)
|
||||
ninodes = EXT2_GOOD_OLD_FIRST_INO+1;
|
||||
ninodes_per_group = div_roundup(ninodes, ngroups);
|
||||
// minimum number because the first EXT2_GOOD_OLD_FIRST_INO-1 are reserved
|
||||
if (ninodes_per_group < 16)
|
||||
ninodes_per_group = 16;
|
||||
}
|
||||
|
||||
// TODO: 5?/5 WE MUST NOT DEPEND ON WHETHER DEVICE IS /dev/zero 'ed OR NOT
|
||||
// TODO: 3/5 refuse if mounted
|
||||
@ -260,15 +303,13 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
sb->s_log_block_size = sb->s_log_frag_size = blocksize_log2 - EXT2_MIN_BLOCK_LOG_SIZE;
|
||||
// first 1024 bytes of the device are for boot record. If block size is 1024 bytes, then
|
||||
// the first block available for data is 1, otherwise 0
|
||||
first_data_block = sb->s_first_data_block = (EXT2_MIN_BLOCK_SIZE == blocksize);
|
||||
sb->s_first_data_block = first_data_block; // 0 or 1
|
||||
// block and inode bitmaps occupy no more than one block, so maximum number of blocks is
|
||||
// number of bits in one block, i.e. 8*blocksize
|
||||
nblocks_per_group = sb->s_blocks_per_group = sb->s_frags_per_group = sb->s_inodes_per_group = 8 * blocksize;
|
||||
sb->s_blocks_per_group = sb->s_frags_per_group = blocks_per_group;
|
||||
timestamp = time(NULL);
|
||||
sb->s_mkfs_time = sb->s_wtime = sb->s_lastcheck = timestamp;
|
||||
sb->s_state = 1;
|
||||
sb->s_creator_os = EXT2_OS_LINUX;
|
||||
sb->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT;
|
||||
sb->s_checkinterval = 24*60*60 * 180; // 180 days
|
||||
sb->s_errors = EXT2_ERRORS_DEFAULT;
|
||||
sb->s_feature_compat = EXT2_FEATURE_COMPAT_SUPP
|
||||
@ -289,17 +330,14 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
* don't check all the filesystems at the same time. We use a
|
||||
* kludgy hack of using the UUID to derive a random jitter value.
|
||||
*/
|
||||
sb->s_max_mnt_count += sb->s_uuid[ARRAY_SIZE(sb->s_uuid)-1] % EXT2_DFL_MAX_MNT_COUNT;
|
||||
sb->s_max_mnt_count = EXT2_DFL_MAX_MNT_COUNT
|
||||
+ (sb->s_uuid[ARRAY_SIZE(sb->s_uuid)-1] % EXT2_DFL_MAX_MNT_COUNT);
|
||||
|
||||
sb->s_blocks_count = nblocks;
|
||||
|
||||
// reserve blocks for superuser
|
||||
sb->s_r_blocks_count = ((uint64_t) nblocks * nreserved) / 100;
|
||||
|
||||
// N.B. a block group can have no more than nblocks_per_group blocks
|
||||
ngroups = div_roundup(nblocks - first_data_block, nblocks_per_group);
|
||||
if (0 == ngroups)
|
||||
bb_error_msg_and_die("ngroups");
|
||||
gdtsz = div_roundup(ngroups, EXT2_DESC_PER_BLOCK(sb));
|
||||
/*
|
||||
* From e2fsprogs: Calculate the number of GDT blocks to reserve for online
|
||||
@ -310,44 +348,28 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
/* We set it at 1024x the current filesystem size, or
|
||||
* the upper block count limit (2^32), whichever is lower.
|
||||
*/
|
||||
#if ENABLE_FEATURE_MKFS_EXT2_RESERVED_GDT
|
||||
rgdtsz = 0xFFFFFFFF; // maximum block number
|
||||
if (nblocks < rgdtsz / 1024)
|
||||
rgdtsz = nblocks * 1024;
|
||||
rgdtsz = div_roundup(rgdtsz - first_data_block, nblocks_per_group);
|
||||
rgdtsz = div_roundup(rgdtsz, EXT2_DESC_PER_BLOCK(sb)) - gdtsz;
|
||||
if (rgdtsz > EXT2_ADDR_PER_BLOCK(sb))
|
||||
rgdtsz = EXT2_ADDR_PER_BLOCK(sb);
|
||||
sb->s_reserved_gdt_blocks = rgdtsz;
|
||||
//bb_info_msg("RSRVD[%u]", n);
|
||||
#else
|
||||
rgdtsz = 0;
|
||||
#endif
|
||||
|
||||
// ninodes is the total number of inodes (files) in the file system
|
||||
if (!(opts & OPT_i)) {
|
||||
bytes_per_inode = 16384;
|
||||
if (nblocks < 512*1024)
|
||||
bytes_per_inode = 4096;
|
||||
if (nblocks < 3*1024)
|
||||
bytes_per_inode = 8192;
|
||||
if (ENABLE_FEATURE_MKFS_EXT2_RESERVED_GDT) {
|
||||
uint32_t rgdtsz = 0xFFFFFFFF; // maximum block number
|
||||
if (nblocks < rgdtsz / 1024)
|
||||
rgdtsz = nblocks * 1024;
|
||||
rgdtsz = div_roundup(rgdtsz - first_data_block, blocks_per_group);
|
||||
rgdtsz = div_roundup(rgdtsz, EXT2_DESC_PER_BLOCK(sb)) - gdtsz;
|
||||
if (rgdtsz > EXT2_ADDR_PER_BLOCK(sb))
|
||||
rgdtsz = EXT2_ADDR_PER_BLOCK(sb);
|
||||
STORE_LE(sb->s_reserved_gdt_blocks, rgdtsz);
|
||||
gdtsz += rgdtsz;
|
||||
}
|
||||
ninodes = nblocks / (bytes_per_inode >> blocksize_log2);
|
||||
if (ninodes < EXT2_GOOD_OLD_FIRST_INO+1)
|
||||
ninodes = EXT2_GOOD_OLD_FIRST_INO+1;
|
||||
ninodes_per_group = div_roundup(ninodes, ngroups);
|
||||
if (ninodes_per_group < 16)
|
||||
ninodes_per_group = 16; // minimum number because the first EXT2_GOOD_OLD_FIRST_INO-1 are reserved
|
||||
// N.B. a block group can have no more than 8*blocksize = sb->s_inodes_per_group inodes
|
||||
if (ninodes_per_group > sb->s_inodes_per_group)
|
||||
ninodes_per_group = sb->s_inodes_per_group;
|
||||
|
||||
// N.B. a block group can have no more than 8*blocksize inodes
|
||||
if (ninodes_per_group > blocks_per_group)
|
||||
ninodes_per_group = blocks_per_group;
|
||||
// adjust inodes per group so they completely fill the inode table blocks in the descriptor
|
||||
ninodes_per_group = (div_roundup(ninodes_per_group * EXT2_INODE_SIZE(sb), blocksize) << blocksize_log2) / EXT2_INODE_SIZE(sb);
|
||||
// make sure the number of inodes per group is a multiple of 8
|
||||
ninodes_per_group &= ~7;
|
||||
sb->s_inodes_per_group = ninodes_per_group;// = div_roundup(ninodes_per_group * sb->s_inode_size, blocksize);
|
||||
// total ninodes
|
||||
ninodes = sb->s_inodes_count = ninodes_per_group * ngroups;
|
||||
sb->s_inodes_count = ninodes_per_group * ngroups;
|
||||
|
||||
itsz = ninodes_per_group * sb->s_inode_size / blocksize;
|
||||
sb->s_free_inodes_count = sb->s_inodes_count - EXT2_GOOD_OLD_FIRST_INO;
|
||||
@ -370,7 +392,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
"%u inodes, %u blocks\n"
|
||||
"%u blocks (%u%%) reserved for the super user\n"
|
||||
"First data block=%u\n"
|
||||
// "Maximum filesystem blocks=%lu\n"
|
||||
"Maximum filesystem blocks=%u\n"
|
||||
"%u block groups\n"
|
||||
"%u blocks per group, %u fragments per group\n"
|
||||
"%u inodes per group"
|
||||
@ -380,16 +402,17 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
, sb->s_inodes_count, sb->s_blocks_count
|
||||
, sb->s_r_blocks_count, nreserved
|
||||
, first_data_block
|
||||
// , (rgdtsz + gdtsz) * EXT2_DESC_PER_BLOCK(sb) * nblocks_per_group
|
||||
, gdtsz * EXT2_DESC_PER_BLOCK(sb) * blocks_per_group
|
||||
, ngroups
|
||||
, nblocks_per_group, nblocks_per_group
|
||||
, blocks_per_group, blocks_per_group
|
||||
, ninodes_per_group
|
||||
);
|
||||
{
|
||||
const char *fmt = "\nSuperblock backups stored on blocks: %u";
|
||||
const char *fmt = "\nSuperblock backups stored on blocks:\n"
|
||||
"\t%u";
|
||||
pos = first_data_block;
|
||||
for (i = 1; i < ngroups; i++) {
|
||||
pos += nblocks_per_group;
|
||||
pos += blocks_per_group;
|
||||
if (has_super(i)) {
|
||||
printf(fmt, (unsigned)pos);
|
||||
fmt = ", %u";
|
||||
@ -400,16 +423,16 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
#endif
|
||||
|
||||
if (opts & OPT_n)
|
||||
return EXIT_SUCCESS;
|
||||
goto done;
|
||||
|
||||
// fill group descriptors
|
||||
gd = xzalloc((gdtsz + rgdtsz) * blocksize);
|
||||
gd = xzalloc(gdtsz * blocksize);
|
||||
sb->s_free_blocks_count = 0;
|
||||
for (i = 0, pos = first_data_block, n = nblocks;
|
||||
i < ngroups;
|
||||
i++, pos += nblocks_per_group, n -= nblocks_per_group
|
||||
i++, pos += blocks_per_group, n -= blocks_per_group
|
||||
) {
|
||||
uint32_t overhead = pos + (has_super(i) ? (1/*sb*/ + gdtsz + rgdtsz) : 0);
|
||||
uint32_t overhead = pos + (has_super(i) ? (1/*sb*/ + gdtsz) : 0);
|
||||
gd[i].bg_block_bitmap = overhead + 0;
|
||||
gd[i].bg_inode_bitmap = overhead + 1;
|
||||
gd[i].bg_inode_table = overhead + 2;
|
||||
@ -427,7 +450,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
if (ngroups-1 == i) {
|
||||
overhead += first_data_block;
|
||||
}
|
||||
gd[i].bg_free_blocks_count = (n < nblocks_per_group ? n : nblocks_per_group) - overhead;
|
||||
gd[i].bg_free_blocks_count = (n < blocks_per_group ? n : blocks_per_group) - overhead;
|
||||
sb->s_free_blocks_count += gd[i].bg_free_blocks_count;
|
||||
}
|
||||
STORE_LE(sb->s_free_blocks_count, sb->s_free_blocks_count);
|
||||
@ -435,22 +458,22 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
// dump filesystem skeleton structures
|
||||
// printf("Writing superblocks and filesystem accounting information: ");
|
||||
buf = xmalloc(blocksize);
|
||||
for (i = 0, pos = first_data_block; i < ngroups; i++, pos += nblocks_per_group) {
|
||||
uint32_t overhead = has_super(i) ? (1/*sb*/ + gdtsz + rgdtsz) : 0;
|
||||
uint32_t start;// = has_super(i) ? (1/*sb*/ + gdtsz + rgdtsz) : 0;
|
||||
for (i = 0, pos = first_data_block; i < ngroups; i++, pos += blocks_per_group) {
|
||||
uint32_t overhead = has_super(i) ? (1/*sb*/ + gdtsz) : 0;
|
||||
uint32_t start;
|
||||
uint32_t end;
|
||||
|
||||
// dump superblock and group descriptors and their backups
|
||||
if (overhead) { // N.B. in fact, we want (has_super(i)) condition, but it is equal to (overhead != 0) and is cheaper
|
||||
// N.B. 1024 byte blocks are special
|
||||
PUT(((uint64_t)pos << blocksize_log2) + ((0 == i && 0 == first_data_block) ? 1024 : 0), sb, 1024);//blocksize);
|
||||
PUT(((uint64_t)pos << blocksize_log2) + blocksize, gd, (gdtsz + rgdtsz) * blocksize);
|
||||
PUT(((uint64_t)pos << blocksize_log2) + blocksize, gd, gdtsz * blocksize);
|
||||
}
|
||||
|
||||
start = overhead + 1/*bbmp*/ + 1/*ibmp*/ + itsz;
|
||||
if (i == 0)
|
||||
start += 2; // for "/" and "/lost+found"
|
||||
end = nblocks_per_group - (start + gd[i].bg_free_blocks_count);
|
||||
end = blocks_per_group - (start + gd[i].bg_free_blocks_count);
|
||||
|
||||
// mark preallocated blocks as allocated
|
||||
allocate(buf, blocksize, start, end);
|
||||
@ -460,7 +483,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
// mark preallocated inodes as allocated
|
||||
allocate(buf, blocksize,
|
||||
ninodes_per_group - gd[i].bg_free_inodes_count,
|
||||
8 * blocksize - ninodes_per_group
|
||||
blocks_per_group - ninodes_per_group
|
||||
);
|
||||
// dump inode bitmap
|
||||
//PUT((uint64_t)(pos + overhead + 1) * blocksize, buf, blocksize);
|
||||
@ -525,10 +548,11 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
|
||||
|
||||
// bb_info_msg("done\n"
|
||||
// "This filesystem will be automatically checked every %u mounts or\n"
|
||||
// "%u days, whichever comes first. Use tune2fs -c or -i to override.",
|
||||
// sb->s_max_mnt_count, sb->s_checkinterval / (3600 * 24)
|
||||
// "180 days, whichever comes first. Use tune2fs -c or -i to override.",
|
||||
// sb->s_max_mnt_count
|
||||
// );
|
||||
|
||||
done:
|
||||
// cleanup
|
||||
if (ENABLE_FEATURE_CLEAN_UP) {
|
||||
free(buf);
|
||||
|
||||
54
util-linux/mkfs_ext2_test.sh
Executable file
54
util-linux/mkfs_ext2_test.sh
Executable file
@ -0,0 +1,54 @@
|
||||
#!/bin/sh
|
||||
|
||||
test_mke2fs() {
|
||||
echo Testing $kilobytes
|
||||
|
||||
>image_std
|
||||
dd seek=$((kilobytes-1)) bs=1K count=1 </dev/zero of=image_std >/dev/null 2>&1 || exit 1
|
||||
/usr/bin/mke2fs -F image_std $kilobytes >image_std.raw_out 2>&1 || return 1
|
||||
cat image_std.raw_out \
|
||||
| grep -v '^mke2fs ' \
|
||||
| grep -v '^Maximum filesystem' \
|
||||
| grep -v '^warning: .* blocks unused' \
|
||||
| grep -v '^Writing inode tables' \
|
||||
| grep -v '^Writing superblocks and filesystem accounting information' \
|
||||
| grep -v '^This filesystem will be automatically checked every' \
|
||||
| grep -v '^180 days, whichever comes first' \
|
||||
| sed 's/block groups/block group/' \
|
||||
| sed 's/ *$//' \
|
||||
| sed 's/blocks (.*%) reserved/blocks reserved/' \
|
||||
| grep -v '^$' \
|
||||
>image_std.out
|
||||
|
||||
>image_bb
|
||||
dd seek=$((kilobytes-1)) bs=1K count=1 </dev/zero of=image_bb >/dev/null 2>&1 || exit 1
|
||||
./busybox mke2fs -F image_bb $kilobytes >image_bb.raw_out 2>&1 || return 1
|
||||
cat image_bb.raw_out \
|
||||
| grep -v '^mke2fs ' \
|
||||
| grep -v '^Maximum filesystem' \
|
||||
| grep -v '^warning: .* blocks unused' \
|
||||
| grep -v '^Writing inode tables' \
|
||||
| grep -v '^Writing superblocks and filesystem accounting information' \
|
||||
| grep -v '^This filesystem will be automatically checked every' \
|
||||
| grep -v '^180 days, whichever comes first' \
|
||||
| sed 's/block groups/block group/' \
|
||||
| sed 's/ *$//' \
|
||||
| sed 's/blocks (.*%) reserved/blocks reserved/' \
|
||||
| grep -v '^$' \
|
||||
>image_bb.out
|
||||
|
||||
diff -ua image_bb.out image_std.out >image.out.diff || {
|
||||
cat image.out.diff
|
||||
return 1
|
||||
}
|
||||
}
|
||||
|
||||
kilobytes=24908 test_mke2fs
|
||||
kilobytes=81940 test_mke2fs
|
||||
kilobytes=98392 test_mke2fs
|
||||
exit
|
||||
|
||||
while true; do
|
||||
kilobytes=$(( (RANDOM*RANDOM) % 100000 + 100))
|
||||
test_mke2fs || exit 1
|
||||
done
|
||||
Loading…
Reference in New Issue
Block a user