Re: [PATCH v2 2/3] jbd2: introduce jbd2_inode dirty range scoping

Theodore Ts'o
2019-06-20T21:25:35Z

On Thu, Jun 20, 2019 at 09:18:38AM -0600, Ross Zwisler wrote:
> diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
> index 5c04181b7c6d8..0e0393e7f41a4 100644
> --- a/include/linux/jbd2.h
> +++ b/include/linux/jbd2.h
> @@ -1397,6 +1413,12 @@ extern int jbd2_journal_force_commit(journal_t *);
> extern int jbd2_journal_force_commit_nested(journal_t *);
> extern int jbd2_journal_inode_add_write(handle_t *handle, struct jbd2_inode *inode);
> extern int jbd2_journal_inode_add_wait(handle_t *handle, struct jbd2_inode *inode);
> +extern int jbd2_journal_inode_ranged_write(handle_t *handle,
> + struct jbd2_inode *inode, loff_t start_byte,
> + loff_t length);
> +extern int jbd2_journal_inode_ranged_wait(handle_t *handle,
> + struct jbd2_inode *inode, loff_t start_byte,
> + loff_t length);
> extern int jbd2_journal_begin_ordered_truncate(journal_t *journal,
> struct jbd2_inode *inode, loff_t new_size);
> extern void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode);

You're adding two new functions that are called from outside the jbd2
subsystem. To support compiling jbd2 as a module, we also need to add
EXPORT_SYMBOL declarations for these two functions.

I'll take care of this when applying this change.

Thanks, applied.

- Ted