libext2fs: export inode cache creation function

Currently we have already exported inode cache flush and free functions
for users.  This commit exports inode cache creation function.  Later
we will use this function to initialize inode cache and do some unit
tests for inline data.

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
3 files changed