udf: convert inode stamps to timespec64

The VFS structures are finally converted to always use 64-bit timestamps,
and this file system can represent a long range of on-disk timestamps
already, so now let's fit in the missing bits for udf.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jan Kara <jack@suse.cz>

fs/udf/ialloc.c

@@ -125,7 +125,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode)
 	else
 		iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
-	iinfo->i_crtime = timespec64_to_timespec(inode->i_mtime);
+	iinfo->i_crtime = inode->i_mtime;
 	if (unlikely(insert_inode_locked(inode) < 0)) {
 		make_bad_inode(inode);
 		iput(inode);

fs/udf/inode.c

@@ -1270,7 +1270,6 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)
 	struct udf_inode_info *iinfo = UDF_I(inode);
 	struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
 	struct kernel_lb_addr *iloc = &iinfo->i_location;
-	struct timespec ts;
 	unsigned int link_count;
 	unsigned int indirections = 0;
 	int bs = inode->i_sb->s_blocksize;
@@ -1443,12 +1442,9 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)
 		inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
 			(inode->i_sb->s_blocksize_bits - 9);
 
-		udf_disk_stamp_to_time(&ts, fe->accessTime);
-		inode->i_atime = timespec_to_timespec64(ts);
-		udf_disk_stamp_to_time(&ts, fe->modificationTime);
-		inode->i_mtime = timespec_to_timespec64(ts);
-		udf_disk_stamp_to_time(&ts, fe->attrTime);
-		inode->i_ctime = timespec_to_timespec64(ts);
+		udf_disk_stamp_to_time(&inode->i_atime, fe->accessTime);
+		udf_disk_stamp_to_time(&inode->i_mtime, fe->modificationTime);
+		udf_disk_stamp_to_time(&inode->i_ctime, fe->attrTime);
 
 		iinfo->i_unique = le64_to_cpu(fe->uniqueID);
 		iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr);
@@ -1458,13 +1454,10 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)
 		inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
 		    (inode->i_sb->s_blocksize_bits - 9);
 
-		udf_disk_stamp_to_time(&ts, efe->accessTime);
-		inode->i_atime = timespec_to_timespec64(ts);
-		udf_disk_stamp_to_time(&ts, efe->modificationTime);
-		inode->i_mtime = timespec_to_timespec64(ts);
+		udf_disk_stamp_to_time(&inode->i_atime, efe->accessTime);
+		udf_disk_stamp_to_time(&inode->i_mtime, efe->modificationTime);
 		udf_disk_stamp_to_time(&iinfo->i_crtime, efe->createTime);
-		udf_disk_stamp_to_time(&ts, efe->attrTime);
-		inode->i_ctime = timespec_to_timespec64(ts);
+		udf_disk_stamp_to_time(&inode->i_ctime, efe->attrTime);
 
 		iinfo->i_unique = le64_to_cpu(efe->uniqueID);
 		iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr);
@@ -1601,7 +1594,7 @@ static int udf_sync_inode(struct inode *inode)
 	return udf_update_inode(inode, 1);
 }
 
-static void udf_adjust_time(struct udf_inode_info *iinfo, struct timespec time)
+static void udf_adjust_time(struct udf_inode_info *iinfo, struct timespec64 time)
 {
 	if (iinfo->i_crtime.tv_sec > time.tv_sec ||
 	    (iinfo->i_crtime.tv_sec == time.tv_sec &&
@@ -1714,12 +1707,9 @@ static int udf_update_inode(struct inode *inode, int do_sync)
 		       inode->i_sb->s_blocksize - sizeof(struct fileEntry));
 		fe->logicalBlocksRecorded = cpu_to_le64(lb_recorded);
 
-		udf_time_to_disk_stamp(&fe->accessTime,
-				       timespec64_to_timespec(inode->i_atime));
-		udf_time_to_disk_stamp(&fe->modificationTime,
-				       timespec64_to_timespec(inode->i_mtime));
-		udf_time_to_disk_stamp(&fe->attrTime,
-				       timespec64_to_timespec(inode->i_ctime));
+		udf_time_to_disk_stamp(&fe->accessTime, inode->i_atime);
+		udf_time_to_disk_stamp(&fe->modificationTime, inode->i_mtime);
+		udf_time_to_disk_stamp(&fe->attrTime, inode->i_ctime);
 		memset(&(fe->impIdent), 0, sizeof(struct regid));
 		strcpy(fe->impIdent.ident, UDF_ID_DEVELOPER);
 		fe->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
@@ -1738,17 +1728,14 @@ static int udf_update_inode(struct inode *inode, int do_sync)
 		efe->objectSize = cpu_to_le64(inode->i_size);
 		efe->logicalBlocksRecorded = cpu_to_le64(lb_recorded);
 
-		udf_adjust_time(iinfo, timespec64_to_timespec(inode->i_atime));
-		udf_adjust_time(iinfo, timespec64_to_timespec(inode->i_mtime));
-		udf_adjust_time(iinfo, timespec64_to_timespec(inode->i_ctime));
+		udf_adjust_time(iinfo, inode->i_atime);
+		udf_adjust_time(iinfo, inode->i_mtime);
+		udf_adjust_time(iinfo, inode->i_ctime);
 
-		udf_time_to_disk_stamp(&efe->accessTime,
-				       timespec64_to_timespec(inode->i_atime));
-		udf_time_to_disk_stamp(&efe->modificationTime,
-				       timespec64_to_timespec(inode->i_mtime));
+		udf_time_to_disk_stamp(&efe->accessTime, inode->i_atime);
+		udf_time_to_disk_stamp(&efe->modificationTime, inode->i_mtime);
 		udf_time_to_disk_stamp(&efe->createTime, iinfo->i_crtime);
-		udf_time_to_disk_stamp(&efe->attrTime,
-				       timespec64_to_timespec(inode->i_ctime));
+		udf_time_to_disk_stamp(&efe->attrTime, inode->i_ctime);
 
 		memset(&(efe->impIdent), 0, sizeof(efe->impIdent));
 		strcpy(efe->impIdent.ident, UDF_ID_DEVELOPER);

fs/udf/super.c

@@ -1980,7 +1980,7 @@ static void udf_open_lvid(struct super_block *sb)
 	struct buffer_head *bh = sbi->s_lvid_bh;
 	struct logicalVolIntegrityDesc *lvid;
 	struct logicalVolIntegrityDescImpUse *lvidiu;
-	struct timespec ts;
+	struct timespec64 ts;
 
 	if (!bh)
 		return;
@@ -1992,7 +1992,7 @@ static void udf_open_lvid(struct super_block *sb)
 	mutex_lock(&sbi->s_alloc_mutex);
 	lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
 	lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
-	ktime_get_real_ts(&ts);
+	ktime_get_real_ts64(&ts);
 	udf_time_to_disk_stamp(&lvid->recordingDateAndTime, ts);
 	if (le32_to_cpu(lvid->integrityType) == LVID_INTEGRITY_TYPE_CLOSE)
 		lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN);
@@ -2017,7 +2017,7 @@ static void udf_close_lvid(struct super_block *sb)
 	struct buffer_head *bh = sbi->s_lvid_bh;
 	struct logicalVolIntegrityDesc *lvid;
 	struct logicalVolIntegrityDescImpUse *lvidiu;
-	struct timespec ts;
+	struct timespec64 ts;
 
 	if (!bh)
 		return;
@@ -2029,7 +2029,7 @@ static void udf_close_lvid(struct super_block *sb)
 	mutex_lock(&sbi->s_alloc_mutex);
 	lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
 	lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
-	ktime_get_real_ts(&ts);
+	ktime_get_real_ts64(&ts);
 	udf_time_to_disk_stamp(&lvid->recordingDateAndTime, ts);
 	if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev))
 		lvidiu->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION);

fs/udf/udf_i.h

@@ -28,7 +28,7 @@ struct udf_ext_cache {
  */
 
 struct udf_inode_info {
-	struct timespec		i_crtime;
+	struct timespec64	i_crtime;
 	/* Physical address of inode */
 	struct kernel_lb_addr		i_location;
 	__u64			i_unique;

fs/udf/udf_sb.h

@@ -138,7 +138,7 @@ struct udf_sb_info {
 	rwlock_t		s_cred_lock;
 
 	/* Root Info */
-	struct timespec		s_record_time;
+	struct timespec64	s_record_time;
 
 	/* Fileset Info */
 	__u16			s_serial_number;

fs/udf/udfdecl.h

@@ -258,8 +258,8 @@ extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int);
 extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
 
 /* udftime.c */
-extern void udf_disk_stamp_to_time(struct timespec *dest,
+extern void udf_disk_stamp_to_time(struct timespec64 *dest,
 						struct timestamp src);
-extern void udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src);
+extern void udf_time_to_disk_stamp(struct timestamp *dest, struct timespec64 src);
 
 #endif				/* __UDF_DECL_H */

fs/udf/udftime.c

@@ -41,7 +41,7 @@
 #include <linux/time.h>
 
 void
-udf_disk_stamp_to_time(struct timespec *dest, struct timestamp src)
+udf_disk_stamp_to_time(struct timespec64 *dest, struct timestamp src)
 {
 	u16 typeAndTimezone = le16_to_cpu(src.typeAndTimezone);
 	u16 year = le16_to_cpu(src.year);
@@ -70,9 +70,9 @@ udf_disk_stamp_to_time(struct timespec *dest, struct timestamp src)
 }
 
 void
-udf_time_to_disk_stamp(struct timestamp *dest, struct timespec ts)
+udf_time_to_disk_stamp(struct timestamp *dest, struct timespec64 ts)
 {
-	long seconds;
+	time64_t seconds;
 	int16_t offset;
 	struct tm tm;