Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (27 commits)
  [CIFS] Missing flags2 for DFS
  [CIFS] Workaround incomplete byte length returned by some
  [CIFS] cifs Kconfig: don't select CONNECTOR
  [CIFS] Level 1 QPathInfo needed for proper OS2 support
  [CIFS] fix typo in previous patch
  [CIFS] Fix old DOS time conversion to handle timezone
  [CIFS] Do not need to adjust for Jan/Feb for leap day
  [CIFS] Fix leaps year calculation for years after 2100
  [CIFS] readdir (ffirst) enablement of accurate timestamps from legacy servers
  [CIFS] Fix compiler warning with previous patch
  [CIFS] Fix typo
  [CIFS] Allow for 15 minute TZs (e.g. Nepal) and be more explicit about
  [CIFS] Fix readdir of large directories for backlevel servers
  [CIFS] Allow LANMAN21 support even in both POSIX non-POSIX path
  [CIFS] Make use of newer QFSInfo dependent on capability bit instead of
  [CIFS] Do not send newer QFSInfo to legacy servers which can not support it
  [CIFS] Fix typo in name of new cifs_show_stats
  [CIFS] Rename server time zone field
  [CIFS] Handle legacy servers which return undefined time zone
  [CIFS] CIFS support for /proc/<pid>/mountstats part 1
  ...

Manual conflict resolution in fs/cifs/connect.c

1 files changed, 58 insertions, 0 deletions

diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index ce87550e918f..992e80edc720 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -909,3 +909,61 @@ cifs_UnixTimeToNT(struct timespec t)
         /* Convert to 100ns intervals and then add the NTFS time offset. */
         return (u64) t.tv_sec * 10000000 + t.tv_nsec/100 + NTFS_TIME_OFFSET;
 }
+
+static int total_days_of_prev_months[] =
+{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
+
+
+__le64 cnvrtDosCifsTm(__u16 date, __u16 time)
+{
+        return cpu_to_le64(cifs_UnixTimeToNT(cnvrtDosUnixTm(date, time)));
+}
+
+struct timespec cnvrtDosUnixTm(__u16 date, __u16 time)
+{
+        struct timespec ts;
+        int sec, min, days, month, year;
+        SMB_TIME * st = (SMB_TIME *)&time;
+        SMB_DATE * sd = (SMB_DATE *)&date;
+
+        cFYI(1,("date %d time %d",date, time));
+
+        sec = 2 * st->TwoSeconds;
+        min = st->Minutes;
+        if((sec > 59) || (min > 59))
+                cERROR(1,("illegal time min %d sec %d", min, sec));
+        sec += (min * 60);
+        sec += 60 * 60 * st->Hours;
+        if(st->Hours > 24)
+                cERROR(1,("illegal hours %d",st->Hours));
+        days = sd->Day;
+        month = sd->Month;
+        if((days > 31) || (month > 12))
+                cERROR(1,("illegal date, month %d day: %d", month, days));
+        month -= 1;
+        days += total_days_of_prev_months[month];
+        days += 3652; /* account for difference in days between 1980 and 1970 */
+        year = sd->Year;
+        days += year * 365;
+        days += (year/4); /* leap year */
+        /* generalized leap year calculation is more complex, ie no leap year
+        for years/100 except for years/400, but since the maximum number for DOS
+         year is 2**7, the last year is 1980+127, which means we need only
+         consider 2 special case years, ie the years 2000 and 2100, and only
+         adjust for the lack of leap year for the year 2100, as 2000 was a 
+         leap year (divisable by 400) */
+        if(year >= 120)  /* the year 2100 */
+                days = days - 1;  /* do not count leap year for the year 2100 */
+
+        /* adjust for leap year where we are still before leap day */
+        if(year != 120)
+                days -= ((year & 0x03) == 0) && (month < 2 ? 1 : 0);
+        sec += 24 * 60 * 60 * days; 
+
+        ts.tv_sec = sec;
+
+        /* cFYI(1,("sec after cnvrt dos to unix time %d",sec)); */
+
+        ts.tv_nsec = 0;
+        return ts;
+}