From: Christoph Hellwig <hch@infradead.org>
To: James Bottomley <James.Bottomley@suse.de>
Cc: linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-parisc@vger.kernel.org, Russell King <rmk@arm.linux.org.uk>,
Christoph Hellwig <hch@lst.de>, Paul Mundt <lethal@linux-sh.org>
Subject: Re: [PATCH 6/6] xfs: fix xfs to work with Virtually Indexed architectures
Date: Wed, 9 Sep 2009 13:55:41 -0400 [thread overview]
Message-ID: <20090909175541.GA9766@infradead.org> (raw)
In-Reply-To: <1252511536-22066-7-git-send-email-James.Bottomley@suse.de>
On Wed, Sep 09, 2009 at 10:52:16AM -0500, James Bottomley wrote:
> xfs_buf.c includes what is essentially a hand rolled version of
> blk_rq_map_kern(). In order to work properly with the vmalloc buffers
> that xfs uses, this hand rolled routine must also implement the flushing
> API for vmap/vmalloc areas.
It's not really a handcrafted version of blk_rq_map_kern because it
can add discontinuous into a single bio.
The patches look fine to (not pretty but fine :)), and I'll make sure
they get added once those two helpers made it, probably augmented by
a comment explaining what's going on here.
next prev parent reply other threads:[~2009-09-09 17:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
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
2009-09-09 15:52 ` [PATCH 6/6] xfs: fix xfs to work with Virtually Indexed architectures James Bottomley
2009-09-09 17:55 ` Christoph Hellwig [this message]
2009-09-11 21:57 ` James Bottomley
2009-09-10 0:27 ` [PATCH 4/6] sh: add mm API for DMA to vmalloc/vmap areas Paul Mundt
2009-09-10 0:32 ` James Bottomley
2009-09-10 6:14 ` [PATCH 0/6] fix xfs by making I/O to vmap/vmalloc areas work Matt Fleming
2009-09-11 21:37 ` James Bottomley
-- strict thread matches above, loose matches on Subject: below --
2009-09-17 23:06 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 ` [PATCH 6/6] xfs: fix xfs to work with Virtually Indexed architectures James Bottomley
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