[PATCH 13/15][e2fsprogs] Add 64-bit getsize interface.

["Jose R. Santos" <jrs@us.ibm.com>]

From: Jose R. Santos <jrs@us.ibm.com>

Add 64-bit getsize interface.

Added interface capable of opening 64-bit block device.

Signed-off-by: Jose R. Santos <jrs@us.ibm.com>
--

 lib/ext2fs/ext2fs.h  |    2 ++
 lib/ext2fs/getsize.c |   15 +++++++++++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 3bc866e..6881c8a 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -979,6 +979,8 @@ extern errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap,
 /* getsize.c */
 extern errcode_t ext2fs_get_device_size(const char *file, int blocksize,
 					blk_t *retblocks);
+extern errcode_t ext2fs_get_device_size2(const char *file, int blocksize,
+					blk64_t *retblocks);
 
 /* getsectsize.c */
 errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize);
diff --git a/lib/ext2fs/getsize.c b/lib/ext2fs/getsize.c
index 7f6ef71..48b9eaf 100644
--- a/lib/ext2fs/getsize.c
+++ b/lib/ext2fs/getsize.c
@@ -138,8 +138,8 @@ static int valid_offset (int fd, ext2_loff_t offset)
 /*
  * Returns the number of blocks in a partition
  */
-errcode_t ext2fs_get_device_size(const char *file, int blocksize,
-				 blk_t *retblocks)
+errcode_t ext2fs_get_device_size2(const char *file, int blocksize,
+				 blk64_t *retblocks)
 {
 	int	fd, rc = 0;
 	int valid_blkgetsize64 = 1;
@@ -293,6 +293,17 @@ out:
 	return rc;
 }
 
+errcode_t ext2fs_get_device_size(const char *file, int blocksize,
+				 blk_t *retblocks)
+{
+	errcode_t retval;
+	blk64_t	blocks;
+	retval = ext2fs_get_device_size2(file, blocksize, &blocks);
+	if (!retval)
+		*retblocks = (blk_t) blocks;
+	return retval;
+}
+
 #endif /* WIN32 */
 
 #ifdef DEBUG