ext4_block_truncate_page 1097 fs/ext4/ext4.h extern int ext4_block_truncate_page(handle_t *handle, ext4_block_truncate_page 2925 fs/ext4/extents.c ext4_block_truncate_page(handle, mapping, inode->i_size); ext4_block_truncate_page 3690 fs/ext4/inode.c if (ext4_block_truncate_page(handle, mapping, inode->i_size))