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From: Christoph Hellwig <hch@lst.de>
To: Andrew Morton <akpm@linux-foundation.org>,
	Dan Williams <dan.j.williams@intel.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>,
 Alex Deucher <alexander.deucher@amd.com>,
 =?utf-8?q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>, "Pan,
 Xinhui" <Xinhui.Pan@amd.com>, Ben Skeggs <bskeggs@redhat.com>,
 Karol Herbst <kherbst@redhat.com>, Lyude Paul <lyude@redhat.com>,
 Jason Gunthorpe <jgg@ziepe.ca>, Alistair Popple <apopple@nvidia.com>,
 Logan Gunthorpe <logang@deltatee.com>, Ralph Campbell <rcampbell@nvidia.com>,
 linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org,
 dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
 nvdimm@lists.linux.dev, linux-mm@kvack.org, Jason Gunthorpe <jgg@nvidia.com>
Subject: [PATCH 08/27] fsdax: depend on ZONE_DEVICE || FS_DAX_LIMITED
Date: Thu, 10 Feb 2022 08:28:09 +0100
Message-Id: <20220210072828.2930359-9-hch@lst.de>
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Add a depends on ZONE_DEVICE support or the s390-specific limited DAX
support, as one of the two is required at runtime for fsdax code to
actually work.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
---
 fs/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/Kconfig b/fs/Kconfig
index e9433bbc48010a..7f2455e8e18ae2 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -48,6 +48,7 @@ config FS_DAX
 	bool "File system based Direct Access (DAX) support"
 	depends on MMU
 	depends on !(ARM || MIPS || SPARC)
+	depends on ZONE_DEVICE || FS_DAX_LIMITED
 	select FS_IOMAP
 	select DAX
 	help