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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2011-09-11 20:08:12 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2011-09-11 20:08:12 +0200 |
| commit | 46aa5e0859646a1e8f96282b0ab2c362c7565a85 (patch) | |
| tree | 85db405d1bd59afff7bd6122d2049bc9bb5679a6 /e2fsprogs/tune2fs.c | |
| parent | 223b9417b3789e60f3a91510661b00a92c0db027 (diff) | |
tune2fs: add support for -C MOUNT_COUNT. +40 bytes. Closes 3901.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'e2fsprogs/tune2fs.c')
| -rw-r--r-- | e2fsprogs/tune2fs.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/e2fsprogs/tune2fs.c b/e2fsprogs/tune2fs.c index 9daec542a..020bdaa33 100644 --- a/e2fsprogs/tune2fs.c +++ b/e2fsprogs/tune2fs.c @@ -28,12 +28,13 @@ do { \ (sizeof(field) == 4 ? SWAP_LE32(field) : BUG_wrong_field_size()) //usage:#define tune2fs_trivial_usage -//usage: "[-c MOUNT_CNT] " +//usage: "[-c MAX_MOUNT_COUNT] " ////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: "[-r reserved-blocks-count] [-u user] " +//usage: "[-C MOUNT_COUNT] " //usage: "[-L LABEL] " ////usage: "[-M last-mounted-dir] [-O [^]feature[,...]] " ////usage: "[-T last-check-time] [-U UUID] " @@ -46,18 +47,19 @@ enum { OPT_L = 1 << 0, // label OPT_c = 1 << 1, // max mount count OPT_i = 1 << 2, // check interval + OPT_C = 1 << 3, // current mount count }; int tune2fs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int tune2fs_main(int argc UNUSED_PARAM, char **argv) { unsigned opts; - const char *label, *str_c, *str_i; + const char *label, *str_c, *str_i, *str_C; struct ext2_super_block *sb; int fd; opt_complementary = "=1"; - opts = getopt32(argv, "L:c:i:", &label, &str_c, &str_i); + opts = getopt32(argv, "L:c:i:C:", &label, &str_c, &str_i, &str_C); if (!opts) bb_show_usage(); argv += optind; // argv[0] -- device @@ -71,6 +73,11 @@ int tune2fs_main(int argc UNUSED_PARAM, char **argv) // mangle superblock //STORE_LE(sb->s_wtime, time(NULL)); - why bother? + if (opts & OPT_C) { + int n = xatoi_range(str_C, 1, 0xfffe); + STORE_LE(sb->s_mnt_count, (unsigned)n); + } + // set the label if (opts & OPT_L) safe_strncpy((char *)sb->s_volume_name, label, sizeof(sb->s_volume_name)); |