Revert "FROMLIST: f2fs: remove i_xattr_sem to avoid deadlock and fix the original issue"

This reverts commit 7366d151.

Let's use the upstream version.

Bug: 280545073
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Change-Id: I9165823243f69468646fc466c73d6632cdc38f78