From 56774805d5eeecd3f1fb700603e593a35dc523c8 Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Sun, 10 Feb 2008 11:25:31 +0100 Subject: udf: convert udf_stamp_to_time and udf_time_to_stamp to use timestamps * kernel_timestamp type was almost unused - only callers of udf_stamp_to_time and udf_time_to_stamp used it, so let these functions handle endianness internally and don't clutter code with conversions * rename udf_stamp_to_time to udf_disk_stamp_to_time and udf_time_to_stamp to udf_time_to_disk_stamp Signed-off-by: Marcin Slusarz Signed-off-by: Jan Kara --- fs/udf/udftime.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) (limited to 'fs/udf/udftime.c') diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c index 12fae6cd444c..5f811655c9b5 100644 --- a/fs/udf/udftime.c +++ b/fs/udf/udftime.c @@ -85,14 +85,16 @@ extern struct timezone sys_tz; #define SECS_PER_HOUR (60 * 60) #define SECS_PER_DAY (SECS_PER_HOUR * 24) -struct timespec *udf_stamp_to_time(struct timespec *dest, kernel_timestamp src) +struct timespec *udf_disk_stamp_to_time(struct timespec *dest, timestamp src) { int yday; - uint8_t type = src.typeAndTimezone >> 12; + u16 typeAndTimezone = le16_to_cpu(src.typeAndTimezone); + u16 year = le16_to_cpu(src.year); + uint8_t type = typeAndTimezone >> 12; int16_t offset; if (type == 1) { - offset = src.typeAndTimezone << 4; + offset = typeAndTimezone << 4; /* sign extent offset */ offset = (offset >> 4); if (offset == -2047) /* unspecified offset */ @@ -100,21 +102,21 @@ struct timespec *udf_stamp_to_time(struct timespec *dest, kernel_timestamp src) } else offset = 0; - if ((src.year < EPOCH_YEAR) || - (src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) { + if ((year < EPOCH_YEAR) || + (year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) { return NULL; } - dest->tv_sec = year_seconds[src.year - EPOCH_YEAR]; + dest->tv_sec = year_seconds[year - EPOCH_YEAR]; dest->tv_sec -= offset * 60; - yday = ((__mon_yday[__isleap(src.year)][src.month - 1]) + src.day - 1); + yday = ((__mon_yday[__isleap(year)][src.month - 1]) + src.day - 1); dest->tv_sec += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second; dest->tv_nsec = 1000 * (src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds); return dest; } -kernel_timestamp *udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts) +timestamp *udf_time_to_disk_stamp(timestamp *dest, struct timespec ts) { long int days, rem, y; const unsigned short int *ip; @@ -125,7 +127,7 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts) if (!dest) return NULL; - dest->typeAndTimezone = 0x1000 | (offset & 0x0FFF); + dest->typeAndTimezone = cpu_to_le16(0x1000 | (offset & 0x0FFF)); ts.tv_sec += offset * 60; days = ts.tv_sec / SECS_PER_DAY; @@ -148,7 +150,7 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts) - LEAPS_THRU_END_OF(y - 1)); y = yg; } - dest->year = y; + dest->year = cpu_to_le16(y); ip = __mon_yday[__isleap(y)]; for (y = 11; days < (long int)ip[y]; --y) continue; -- cgit v1.2.3