This is a note to let you know that I've just added the patch titled pnfs/blocklayout: require 64-bit sector_t to the 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pnfs-blocklayout-require-64-bit-sector_t.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 8a9d6e964d318533ba3d2901ce153ba317c99a89 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig <hch@xxxxxx> Date: Sat, 5 Aug 2017 10:59:14 +0200 Subject: pnfs/blocklayout: require 64-bit sector_t From: Christoph Hellwig <hch@xxxxxx> commit 8a9d6e964d318533ba3d2901ce153ba317c99a89 upstream. The blocklayout code does not compile cleanly for a 32-bit sector_t, and also has no reliable checks for devices sizes, which makes it unsafe to use with a kernel that doesn't support large block devices. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reported-by: Arnd Bergmann <arnd@xxxxxxxx> Fixes: 5c83746a0cf2 ("pnfs/blocklayout: in-kernel GETDEVICEINFO XDR parsing") Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/nfs/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/fs/nfs/Kconfig +++ b/fs/nfs/Kconfig @@ -121,6 +121,7 @@ config PNFS_FILE_LAYOUT config PNFS_BLOCK tristate depends on NFS_V4_1 && BLK_DEV_DM + depends on 64BIT || LBDAF default NFS_V4 config PNFS_OBJLAYOUT Patches currently in stable-queue which might be from hch@xxxxxx are queue-3.18/pnfs-blocklayout-require-64-bit-sector_t.patch