From: James Bottomley <James.Bottomley@suse.de>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: linux-arch@vger.kernel.org, linux-parisc@vger.kernel.org
Subject: Re: [PATCH 5/6] block: permit I/O to vmalloc/vmap kernel pages
Date: Wed, 18 Nov 2009 08:50:40 -0500 [thread overview]
Message-ID: <1258552240.2540.0.camel@mulgrave.site> (raw)
In-Reply-To: <20091118191031Q.fujita.tomonori@lab.ntt.co.jp>
On Wed, 2009-11-18 at 19:10 +0900, FUJITA Tomonori wrote:
> On Tue, 17 Nov 2009 11:03:51 -0600
> James Bottomley <James.Bottomley@suse.de> 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@suse.de>
> > ---
> > 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()?
For completeness, yes ... because xfs *should* be passing its buffers to
bio_map_kern() ... it just happens to roll its own.
James
next prev parent reply other threads:[~2009-11-18 13:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-17 17:03 [PATCH 0/6] fix xfs by making I/O to vmap/vmalloc areas work James Bottomley
2009-11-17 17:03 ` James Bottomley
2009-11-17 17:03 ` [PATCH 1/6] mm: add coherence API for DMA to vmalloc/vmap areas James Bottomley
2009-11-17 17:03 ` James Bottomley
2009-11-17 17:03 ` [PATCH 2/6] parisc: add mm " James Bottomley
2009-11-17 17:03 ` [PATCH 3/6] arm: " James Bottomley
2009-11-17 17:03 ` James Bottomley
2009-11-17 17:03 ` [PATCH 4/6] sh: " James Bottomley
2009-11-17 17:03 ` James Bottomley
2009-11-17 17:03 ` [PATCH 5/6] block: permit I/O to vmalloc/vmap kernel pages James Bottomley
2009-11-17 17:03 ` [PATCH 6/6] xfs: fix xfs to work with Virtually Indexed architectures James Bottomley
2009-11-18 10:10 ` [PATCH 5/6] block: permit I/O to vmalloc/vmap kernel pages FUJITA Tomonori
2009-11-18 13:50 ` James Bottomley [this message]
2009-11-18 13:50 ` James Bottomley
2009-11-18 14:15 ` FUJITA Tomonori
2009-11-18 14:15 ` FUJITA Tomonori
2009-11-18 14:21 ` James Bottomley
2009-11-18 14:21 ` James Bottomley
2009-11-18 14:38 ` [PATCH 1/6] mm: add coherence API for DMA to vmalloc/vmap areas Ralf Baechle
2009-11-18 14:38 ` Ralf Baechle
2009-11-18 15:13 ` James Bottomley
-- strict thread matches above, loose matches on Subject: below --
2009-09-17 23:06 [PATCH 0/6] fix xfs by making I/O to vmap/vmalloc areas work James Bottomley
2009-09-17 23:06 ` [PATCH 1/6] mm: add coherence API for DMA to vmalloc/vmap areas James Bottomley
2009-09-17 23:06 ` [PATCH 2/6] parisc: add mm " James Bottomley
2009-09-17 23:06 ` [PATCH 3/6] arm: " James Bottomley
2009-09-17 23:06 ` [PATCH 4/6] sh: " James Bottomley
2009-09-17 23:07 ` [PATCH 5/6] block: permit I/O to vmalloc/vmap kernel pages James Bottomley
2009-09-17 23:07 ` James Bottomley
2009-09-09 15:52 [PATCH 0/6] fix xfs by making I/O to vmap/vmalloc areas work James Bottomley
2009-09-09 15:52 ` [PATCH 1/6] mm: add coherence API for DMA to vmalloc/vmap areas James Bottomley
2009-09-09 15:52 ` [PATCH 2/6] parisc: add mm " James Bottomley
2009-09-09 15:52 ` [PATCH 3/6] arm: " James Bottomley
2009-09-09 15:52 ` [PATCH 4/6] sh: " James Bottomley
2009-09-09 15:52 ` [PATCH 5/6] block: permit I/O to vmalloc/vmap kernel pages James Bottomley
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