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busybox 1.20.1: add patches for mke2fs and ps

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Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Gustavo Zacarias 2012-06-26 04:19:49 +00:00 committed by Peter Korsgaard
parent 335ffd1c64
commit afc7b62c87
2 changed files with 142 additions and 0 deletions
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58
package/busybox/busybox-1.20.1/busybox-1.20.1-mke2fs.patch Normal file
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@ -0,0 +1,58 @@
--- 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);

84
package/busybox/busybox-1.20.1/busybox-1.20.1-ps.patch Normal file
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@ -0,0 +1,84 @@
--- 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);