From a7a97fc9ff6c2fcec00feb34d9b87b94452b0b78 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Mon, 16 Feb 2015 15:59:41 -0800 Subject: brd: rename XIP to DAX Since this is relating to FS_XIP, not KERNEL_XIP, it should be called DAX instead of XIP. Signed-off-by: Matthew Wilcox Cc: Andreas Dilger Cc: Boaz Harrosh Cc: Christoph Hellwig Cc: Dave Chinner Cc: Jan Kara Cc: Jens Axboe Cc: Kirill A. Shutemov Cc: Mathieu Desnoyers Cc: Randy Dunlap Cc: Ross Zwisler Cc: Theodore Ts'o Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/Kconfig | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'drivers/block/Kconfig') diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 014a1cfc41c5..1b8094d4d7af 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -393,14 +393,15 @@ config BLK_DEV_RAM_SIZE The default value is 4096 kilobytes. Only change this if you know what you are doing. -config BLK_DEV_XIP - bool "Support XIP filesystems on RAM block device" - depends on BLK_DEV_RAM +config BLK_DEV_RAM_DAX + bool "Support Direct Access (DAX) to RAM block devices" + depends on BLK_DEV_RAM && FS_DAX default n help - Support XIP filesystems (such as ext2 with XIP support on) on - top of block ram device. This will slightly enlarge the kernel, and - will prevent RAM block device backing store memory from being + Support filesystems using DAX to access RAM block devices. This + avoids double-buffering data in the page cache before copying it + to the block device. Answering Y will slightly enlarge the kernel, + and will prevent RAM block device backing store memory from being allocated from highmem (only a problem for highmem systems). config CDROM_PKTCDVD -- cgit v1.2.1