--- /dev/null
+--- busybox-1.20.1/include/bb_e2fs_defs.h
++++ busybox-1.20.1-mke2fs/include/bb_e2fs_defs.h
+@@ -422,9 +422,27 @@ struct ext2_super_block {
+ uint16_t s_reserved_word_pad;
+ uint32_t s_default_mount_opts;
+ uint32_t s_first_meta_bg; /* First metablock group */
++ /* ext3 additions */
+ uint32_t s_mkfs_time; /* When the filesystem was created */
+ uint32_t s_jnl_blocks[17]; /* Backup of the journal inode */
+- uint32_t s_reserved[172]; /* Padding to the end of the block */
++ /* 64bit support valid if EXT4_FEATURE_COMPAT_64BIT */
++/*150*/ uint32_t s_blocks_count_hi; /* Blocks count */
++ uint32_t s_r_blocks_count_hi; /* Reserved blocks count */
++ uint32_t s_free_blocks_count_hi; /* Free blocks count */
++ uint16_t s_min_extra_isize; /* All inodes have at least # bytes */
++ uint16_t s_want_extra_isize; /* New inodes should reserve # bytes */
++ uint32_t s_flags; /* Miscellaneous flags */
++ uint16_t s_raid_stride; /* RAID stride */
++ uint16_t s_mmp_interval; /* # seconds to wait in MMP checking */
++ uint64_t s_mmp_block; /* Block for multi-mount protection */
++ uint32_t s_raid_stripe_width; /* blocks on all data disks (N*stride)*/
++ uint8_t s_log_groups_per_flex; /* FLEX_BG group size */
++ uint8_t s_reserved_char_pad2;
++ uint16_t s_reserved_pad;
++ uint32_t s_reserved[162]; /* Padding to the end of the block */
++};
++struct BUG_ext2_super_block {
++ char bug[sizeof(struct ext2_super_block) == 1024 ? 1 : -1];
+ };
+
+ /*
+--- busybox-1.20.1/util-linux/mkfs_ext2.c
++++ busybox-1.20.1-mke2fs/util-linux/mkfs_ext2.c
+@@ -53,11 +53,6 @@
+ #define ENABLE_FEATURE_MKFS_EXT2_RESERVED_GDT 0
+ #define ENABLE_FEATURE_MKFS_EXT2_DIR_INDEX 1
+
+-// from e2fsprogs
+-#define s_reserved_gdt_blocks s_padding1
+-#define s_mkfs_time s_reserved[0]
+-#define s_flags s_reserved[22]
+-
+ #define EXT2_HASH_HALF_MD4 1
+ #define EXT2_FLAGS_SIGNED_HASH 0x0001
+ #define EXT2_FLAGS_UNSIGNED_HASH 0x0002
+@@ -482,8 +477,10 @@ int mkfs_ext2_main(int argc UNUSED_PARAM
+ STORE_LE(sb->s_magic, EXT2_SUPER_MAGIC);
+ STORE_LE(sb->s_inode_size, inodesize);
+ // set "Required extra isize" and "Desired extra isize" fields to 28
+- if (inodesize != sizeof(*inode))
+- STORE_LE(sb->s_reserved[21], 0x001C001C);
++ if (inodesize != sizeof(*inode)) {
++ STORE_LE(sb->s_min_extra_isize, 0x001c);
++ STORE_LE(sb->s_want_extra_isize, 0x001c);
++ }
+ STORE_LE(sb->s_first_ino, EXT2_GOOD_OLD_FIRST_INO);
+ STORE_LE(sb->s_log_block_size, blocksize_log2 - EXT2_MIN_BLOCK_LOG_SIZE);
+ STORE_LE(sb->s_log_frag_size, blocksize_log2 - EXT2_MIN_BLOCK_LOG_SIZE);
--- /dev/null
+--- busybox-1.20.1/procps/ps.c
++++ busybox-1.20.1-ps/procps/ps.c
+@@ -69,6 +69,31 @@
+ /* Absolute maximum on output line length */
+ enum { MAX_WIDTH = 2*1024 };
+
++#if ENABLE_FEATURE_PS_TIME || ENABLE_FEATURE_PS_LONG
++static long get_uptime(void)
++{
++#ifdef __linux__
++ struct sysinfo info;
++ if (sysinfo(&info) < 0)
++ return 0;
++ return info.uptime;
++#elif 1
++ char buf[64];
++ long uptime;
++ if (open_read_close("/proc/uptime", buf, sizeof(buf)) <= 0)
++ bb_perror_msg_and_die("can't read %s", "/proc/uptime");
++ buf[sizeof(buf)-1] = '\0';
++ sscanf(buf, "%l", &uptime);
++ return uptime;
++#else
++ struct timespec ts;
++ if (clock_gettime(CLOCK_MONOTONIC, &ts) < 0)
++ return 0;
++ return ts.tv_sec;
++#endif
++}
++#endif
++
+ #if ENABLE_DESKTOP
+
+ #include <sys/times.h> /* for times() */
+@@ -197,8 +222,6 @@ static inline unsigned get_HZ_by_waiting
+
+ static unsigned get_kernel_HZ(void)
+ {
+- //char buf[64];
+- struct sysinfo info;
+
+ if (kernel_HZ)
+ return kernel_HZ;
+@@ -208,12 +231,7 @@ static unsigned get_kernel_HZ(void)
+ if (kernel_HZ == (unsigned)-1)
+ kernel_HZ = get_HZ_by_waiting();
+
+- //if (open_read_close("/proc/uptime", buf, sizeof(buf)) <= 0)
+- // bb_perror_msg_and_die("can't read %s", "/proc/uptime");
+- //buf[sizeof(buf)-1] = '\0';
+- ///sscanf(buf, "%llu", &seconds_since_boot);
+- sysinfo(&info);
+- seconds_since_boot = info.uptime;
++ seconds_since_boot = get_uptime();
+
+ return kernel_HZ;
+ }
+@@ -635,7 +653,7 @@ int ps_main(int argc UNUSED_PARAM, char
+ };
+ #if ENABLE_FEATURE_PS_LONG
+ time_t now = now;
+- struct sysinfo info;
++ long uptime;
+ #endif
+ int opts = 0;
+ /* If we support any options, parse argv */
+@@ -695,7 +713,7 @@ int ps_main(int argc UNUSED_PARAM, char
+ puts("S UID PID PPID VSZ RSS TTY STIME TIME CMD");
+ #if ENABLE_FEATURE_PS_LONG
+ now = time(NULL);
+- sysinfo(&info);
++ uptime = get_uptime();
+ #endif
+ }
+ else {
+@@ -727,7 +745,7 @@ int ps_main(int argc UNUSED_PARAM, char
+ char tty[2 * sizeof(int)*3 + 2];
+ char *endp;
+ unsigned sut = (p->stime + p->utime) / 100;
+- unsigned elapsed = info.uptime - (p->start_time / 100);
++ unsigned elapsed = uptime - (p->start_time / 100);
+ time_t start = now - elapsed;
+ struct tm *tm = localtime(&start);
+