Re: [PATCH 5/6] block: permit I/O to vmalloc/vmap kernel pages

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On Tue, 17 Nov 2009 11:03:51 -0600
James Bottomley <James.Bottomley@xxxxxxx> wrote:

> This updates bio_map_kern() to check for pages in the vmalloc address
> range and call the new kernel flushing APIs if the are.  This should
> allow any kernel user to pass a vmalloc/vmap area to block.
>
> Signed-off-by: James Bottomley <James.Bottomley@xxxxxxx>
> ---
>  fs/bio.c |   20 ++++++++++++++++++--
>  1 files changed, 18 insertions(+), 2 deletions(-)

Do we need this?

Buffers that xfs_buf.c passes to block doesn't go to bio_map_kern()?
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