5aa4d5327
Richard Braun
2010-10-05
Subject
tune2fs: implement -c and -i options
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e2fsprogs/tune2fs.c+35 -5
| @@ -27,24 +27,40 @@ do { \ | |
| #define FETCH_LE32(field) \ | |
| (sizeof(field) == 4 ? SWAP_LE32(field) : BUG_wrong_field_size()) | |
| + | //usage:#define tune2fs_trivial_usage |
| + | //usage: "[-c MOUNT_CNT] " |
| + | ////usage: "[-e errors-behavior] [-g group] " |
| + | //usage: "[-i DAYS] " |
| + | ////usage: "[-j] [-J journal-options] [-l] [-s sparse-flag] " |
| + | ////usage: "[-m reserved-blocks-percent] [-o [^]mount-options[,...]] " |
| + | ////usage: "[-r reserved-blocks-count] [-u user] [-C mount-count] " |
| + | //usage: "[-L LABEL] " |
| + | ////usage: "[-M last-mounted-dir] [-O [^]feature[,...]] " |
| + | ////usage: "[-T last-check-time] [-U UUID] " |
| + | //usage: "BLOCKDEV" |
| + | //usage: |
| + | //usage:#define tune2fs_full_usage "\n\n" |
| + | //usage: "Adjust filesystem options on ext[23] filesystems" |
| + | |
| enum { | |
| OPT_L = 1 << 0, // label | |
| + | OPT_c = 1 << 1, // max mount count |
| + | OPT_i = 1 << 2, // check interval |
| }; | |
| int tune2fs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; | |
| int tune2fs_main(int argc UNUSED_PARAM, char **argv) | |
| { | |
| unsigned opts; | |
| - | const char *label; |
| + | const char *label, *str_c, *str_i; |
| struct ext2_super_block *sb; | |
| int fd; | |
| opt_complementary = "=1"; | |
| - | opts = getopt32(argv, "L:", &label); |
| - | argv += optind; // argv[0] -- device |
| - | |
| + | opts = getopt32(argv, "L:c:i:", &label, &str_c, &str_i); |
| if (!opts) | |
| bb_show_usage(); | |
| + | argv += optind; // argv[0] -- device |
| // read superblock | |
| fd = xopen(argv[0], O_RDWR); | |
| @@ -54,9 +70,23 @@ int tune2fs_main(int argc UNUSED_PARAM, char **argv) | |
| // mangle superblock | |
| //STORE_LE(sb->s_wtime, time(NULL)); - why bother? | |
| + | |
| // set the label | |
| - | if (1 /*opts & OPT_L*/) |
| + | if (opts & OPT_L) |
| safe_strncpy((char *)sb->s_volume_name, label, sizeof(sb->s_volume_name)); | |
| + | |
| + | if (opts & OPT_c) { |
| + | int n = xatoi_range(str_c, -1, 0xfffe); |
| + | if (n == 0) |
| + | n = -1; |
| + | STORE_LE(sb->s_max_mnt_count, (unsigned)n); |
| + | } |
| + | |
| + | if (opts & OPT_i) { |
| + | unsigned n = xatou_range(str_i, 0, (unsigned)0xffffffff / (24*60*60)) * 24*60*60; |
| + | STORE_LE(sb->s_checkinterval, n); |
| + | } |
| + | |
| // write superblock | |
| xlseek(fd, 1024, SEEK_SET); | |
| xwrite(fd, sb, 1024); | |
include/usage.src.h+0 -12
| @@ -4459,18 +4459,6 @@ INSERT | |
| "# tunctl\n" \ | |
| "# tunctl -d tun0\n" | |
| - | #define tune2fs_trivial_usage \ |
| - | /* "[-c max-mounts-count] [-e errors-behavior] [-g group] " */ \ |
| - | /* "[-i interval[d|m|w]] [-j] [-J journal-options] [-l] [-s sparse-flag] " */ \ |
| - | /* "[-m reserved-blocks-percent] [-o [^]mount-options[,...]] " */ \ |
| - | /* "[-r reserved-blocks-count] [-u user] [-C mount-count] " */ \ |
| - | "[-L LABEL] " \ |
| - | /* "[-M last-mounted-dir] [-O [^]feature[,...]] " */ \ |
| - | /* "[-T last-check-time] [-U UUID] " */ \ |
| - | "BLOCKDEV" |
| - | #define tune2fs_full_usage "\n\n" \ |
| - | "Adjust filesystem options on ext[23] filesystems" |
| - | |
| #if defined CONFIG_UDHCP_DEBUG && CONFIG_UDHCP_DEBUG >= 1 | |
| # define IF_UDHCP_VERBOSE(...) __VA_ARGS__ | |
| #else | |