On Mon, Nov 30, 2020 at 03:28:51PM +0800, chenle...@gmail.com wrote:
> From: Lei Chen
>
> iomap_add_to_ioend append page on wpc->ioend->io_bio. If io_bio is full,
> iomap_chain_bio will allocate a new bio. So when bio_add_page is called,
> pages is guaranteed to be appended into
From: Lei Chen
iomap_add_to_ioend append page on wpc->ioend->io_bio. If io_bio is full,
iomap_chain_bio will allocate a new bio. So when bio_add_page is called,
pages is guaranteed to be appended into wpc->ioend->io_bio. So we do not
need to check if page can be merged. Thus it's a faster way to
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