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Date: Fri, 13 Dec 2024 06:14:24 +0100
From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Carlos Maiolino <cem@kernel.org>,
	Hans Holmberg <hans.holmberg@wdc.com>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 13/43] xfs: support XFS_BMAPI_REMAP in
 xfs_bmap_del_extent_delayOM
Message-ID: <20241213051424.GI5630@lst.de>
References: <20241211085636.1380516-1-hch@lst.de> <20241211085636.1380516-14-hch@lst.de> <20241212214720.GZ6678@frogsfrogsfrogs>
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On Thu, Dec 12, 2024 at 01:47:20PM -0800, Darrick J. Wong wrote:
> On Wed, Dec 11, 2024 at 09:54:38AM +0100, Christoph Hellwig wrote:
> > The zone allocator wants to be able to remove a delalloc mapping in the
> > COW fork while keeping the block reservation.  To support that pass the
> > blags argument down to xfs_bmap_del_extent_delay and support the
> 
>   bflags
> 
> > XFS_BMAPI_REMAP flag to keep the reservation.
> 
> Is REMAP the only bmapi flag that will be valid here?

Yes.  I'll add an assert.