tune2fs.8.in, tune2fs.c (parse_tune2fs_options, main): Add

	support for new option, -T, which allows the user to set
	the last checked time on the filesystem.

diff --git a/misc/ChangeLog b/misc/ChangeLog
index 8f8ff02..a1fc259 100644 (file)
--- a/misc/ChangeLog
+++ b/misc/ChangeLog
@@ -1,3 +1,9 @@
+2001-12-26  Theodore Tso  <tytso@valinux.com>
+
+       * tune2fs.8.in, tune2fs.c (parse_tune2fs_options, main): Add
+               support for new option, -T, which allows the user to set
+               the last checked time on the filesystem.
+
 2001-12-24  Theodore Tso  <tytso@valinux.com>
 
        * mke2fs.c (main, test_disk): If two -c options are

diff --git a/misc/tune2fs.8.in b/misc/tune2fs.8.in
index 2b22dbd..e47485c 100644 (file)
--- a/misc/tune2fs.8.in
+++ b/misc/tune2fs.8.in
@@ -66,6 +66,10 @@ tune2fs \- adjust tunable filesystem parameters on second extended filesystems
 .RI [^] feature [,...]
 ]
 [
+.B \-T
+.I time-last-checked
+]
+[
 .B \-U
 .I UUID
 ]
@@ -294,6 +298,22 @@ doing!  You need to run
 on the filesystem after changing this feature in order to have a valid
 filesystem.
 .TP
+.BI \-T " time-last-checked"
+Set the time the filesystem was last checked using
+.BR  e2fsck .
+This can be useful in scripts which use a Logical Volume Manager to make
+a consistent snapshot of a filesystem, and then check the filesystem 
+during off hours to make sure it hasn't been corrupted due to 
+hardware problems, etc.  If the filesystem was clean, then this option can 
+be used to set the last checked time on the original filesystem.  The format 
+of 
+.I time-last-checked
+is the international date format, with an optional time specifier, i.e.
+YYYYMMDD[[HHMM]SS].   The keyword 
+.B now
+is also accepted, in which case the last checked time will be set to the 
+current time.
+.TP
 .BI \-u " user"
 Set the user who can use the reserved filesystem blocks.
 .I user

diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 794f35b..a25d8bf 100644 (file)
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -57,7 +57,8 @@ const char * program_name = "tune2fs";
 char * device_name;
 char * new_label, *new_last_mounted, *new_UUID;
 static int c_flag, C_flag, e_flag, f_flag, g_flag, i_flag, l_flag, L_flag;
-static int m_flag, M_flag, r_flag, s_flag = -1, u_flag, U_flag;
+static int m_flag, M_flag, r_flag, s_flag = -1, u_flag, U_flag, T_flag;
+static time_t last_check_time;
 static int print_label;
 static int max_mount_count, mount_count, mount_flags;
 static unsigned long interval, reserved_ratio, reserved_blocks;
@@ -79,8 +80,9 @@ static void usage(void)
                 "\t[-i interval[d|m|w]] [-j] [-J journal-options]\n"
                 "\t[-l] [-s sparse-flag] [-m reserved-blocks-percent]\n"
                  "\t[-r reserved-blocks-count] [-u user] [-C mount-count]\n"
-                 "\t[-L volume-label] [-M last-mounted-dir] [-U UUID]\n"
-                 "\t[-O [^]feature[,...]] device\n"), program_name);
+                 "\t[-L volume-label] [-M last-mounted-dir]\n"
+                 "\t[-O [^]feature[,...]] [-T last-check-time] [-U UUID]"
+                 " device\n"), program_name);
        exit (1);
 }
 
@@ -418,6 +420,23 @@ static void parse_e2label_options(int argc, char ** argv)
                print_label++;
 }
 
+static time_t parse_time(char *str)
+{
+       struct  tm      ts;
+
+       if (strcmp(str, "now") == 0) {
+               return (time(0));
+       }
+       memset(&ts, 0, sizeof(ts));
+       strptime(optarg, "%Y%m%d%H%M%S", &ts);
+       if (ts.tm_mday == 0) {
+               com_err(program_name, 0,
+                       _("Couldn't parse date/time specifier: %s"),
+                       str);
+               usage();
+       }
+       return (mktime(&ts));
+}
 
 static void parse_tune2fs_options(int argc, char **argv)
 {
@@ -427,7 +446,7 @@ static void parse_tune2fs_options(int argc, char **argv)
        struct passwd * pw;
 
        printf("tune2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE);
-       while ((c = getopt (argc, argv, "c:e:fg:i:jlm:r:s:u:C:J:L:M:O:U:")) != EOF)
+       while ((c = getopt(argc, argv, "c:e:fg:i:jlm:r:s:u:C:J:L:M:O:T:U:")) != EOF)
                switch (c)
                {
                        case 'c':
@@ -583,6 +602,11 @@ static void parse_tune2fs_options(int argc, char **argv)
                                s_flag = atoi(optarg);
                                open_flag = EXT2_FLAG_RW;
                                break;
+                       case 'T':
+                               T_flag = 1;
+                               last_check_time = parse_time(optarg);
+                               open_flag = EXT2_FLAG_RW;
+                               break;
                        case 'u':
                                resuid = strtoul (optarg, &tmp, 0);
                                if (*tmp) {
@@ -741,6 +765,12 @@ int main (int argc, char ** argv)
                               _(please_fsck));
                }
        }
+       if (T_flag) {
+               sb->s_lastcheck = last_check_time;
+               ext2fs_mark_super_dirty(fs);
+               printf(_("Setting time filesystem last checked to %s\n"),
+                      ctime(&last_check_time));
+       }
        if (u_flag) {
                sb->s_def_resuid = resuid;
                ext2fs_mark_super_dirty(fs);