On Fri, Apr 26, 2019 at 06:45:20PM +0800, Ming Lei wrote:
> Commit 399254aaf489211 ("block: add BIO_NO_PAGE_REF flag") introduces
> BIO_NO_PAGE_REF, and once this flag is set for one bio, all pages
> in the bio won't be get/put during IO.
>
> However, if one bio is submitted via __blkdev_direct_IO_simple(),
> even though BIO_NO_PAGE_REF is set, pages still may be put.
>
> Fixes this issue by avoiding to put pages if BIO_NO_PAGE_REF is
> set.
>
> Fixes: 399254aaf489211 ("block: add BIO_NO_PAGE_REF flag")
> Signed-off-by: Ming Lei <[email protected]>
Looks good,
Reviewed-by: Christoph Hellwig <[email protected]>
