udf: create function for conversion from timestamp to timespec

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

fs/udf/inode.c

@@ -1136,12 +1136,24 @@ static void __udf_read_inode(struct inode *inode)
 	brelse(bh);
 }
 
+static void udf_fill_inode_time(struct timespec *tspec,
+				const timestamp *tstamp,
+				struct udf_sb_info *sbi)
+{
+	time_t convtime;
+	long convtime_usec;
+	if (udf_stamp_to_time(&convtime, &convtime_usec,
+				lets_to_cpu(*tstamp))) {
+		tspec->tv_sec = convtime;
+		tspec->tv_nsec = convtime_usec * 1000;
+	} else
+		*tspec = sbi->s_record_time;
+}
+
 static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 {
 	struct fileEntry *fe;
 	struct extendedFileEntry *efe;
-	time_t convtime;
-	long convtime_usec;
 	int offset;
 	struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
 	struct udf_inode_info *iinfo = UDF_I(inode);
@@ -1229,29 +1241,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 		inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
 			(inode->i_sb->s_blocksize_bits - 9);
 
-		if (udf_stamp_to_time(&convtime, &convtime_usec,
-				      lets_to_cpu(fe->accessTime))) {
-			inode->i_atime.tv_sec = convtime;
-			inode->i_atime.tv_nsec = convtime_usec * 1000;
-		} else {
-			inode->i_atime = sbi->s_record_time;
-		}
-
-		if (udf_stamp_to_time(&convtime, &convtime_usec,
-				      lets_to_cpu(fe->modificationTime))) {
-			inode->i_mtime.tv_sec = convtime;
-			inode->i_mtime.tv_nsec = convtime_usec * 1000;
-		} else {
-			inode->i_mtime = sbi->s_record_time;
-		}
-
-		if (udf_stamp_to_time(&convtime, &convtime_usec,
-				      lets_to_cpu(fe->attrTime))) {
-			inode->i_ctime.tv_sec = convtime;
-			inode->i_ctime.tv_nsec = convtime_usec * 1000;
-		} else {
-			inode->i_ctime = sbi->s_record_time;
-		}
+		udf_fill_inode_time(&inode->i_atime, &fe->accessTime, sbi);
+		udf_fill_inode_time(&inode->i_mtime, &fe->modificationTime,
+				    sbi);
+		udf_fill_inode_time(&inode->i_ctime, &fe->attrTime, sbi);
 
 		iinfo->i_unique = le64_to_cpu(fe->uniqueID);
 		iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr);
@@ -1261,37 +1254,11 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
 		inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
 		    (inode->i_sb->s_blocksize_bits - 9);
 
-		if (udf_stamp_to_time(&convtime, &convtime_usec,
-				      lets_to_cpu(efe->accessTime))) {
-			inode->i_atime.tv_sec = convtime;
-			inode->i_atime.tv_nsec = convtime_usec * 1000;
-		} else {
-			inode->i_atime = sbi->s_record_time;
-		}
-
-		if (udf_stamp_to_time(&convtime, &convtime_usec,
-				      lets_to_cpu(efe->modificationTime))) {
-			inode->i_mtime.tv_sec = convtime;
-			inode->i_mtime.tv_nsec = convtime_usec * 1000;
-		} else {
-			inode->i_mtime = sbi->s_record_time;
-		}
-
-		if (udf_stamp_to_time(&convtime, &convtime_usec,
-				      lets_to_cpu(efe->createTime))) {
-			iinfo->i_crtime.tv_sec = convtime;
-			iinfo->i_crtime.tv_nsec = convtime_usec * 1000;
-		} else {
-			iinfo->i_crtime = sbi->s_record_time;
-		}
-
-		if (udf_stamp_to_time(&convtime, &convtime_usec,
-				      lets_to_cpu(efe->attrTime))) {
-			inode->i_ctime.tv_sec = convtime;
-			inode->i_ctime.tv_nsec = convtime_usec * 1000;
-		} else {
-			inode->i_ctime = sbi->s_record_time;
-		}
+		udf_fill_inode_time(&inode->i_atime, &efe->accessTime, sbi);
+		udf_fill_inode_time(&inode->i_mtime, &efe->modificationTime,
+				    sbi);
+		udf_fill_inode_time(&iinfo->i_crtime, &efe->createTime, sbi);
+		udf_fill_inode_time(&inode->i_ctime, &efe->attrTime, sbi);
 
 		iinfo->i_unique = le64_to_cpu(efe->uniqueID);
 		iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr);