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| author | Matthew Wilcox <willy@linux.intel.com> | 2015-02-16 15:59:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-16 17:56:04 -0800 |
| commit | a7a97fc9ff6c2fcec00feb34d9b87b94452b0b78 (patch) | |
| tree | 02d70a62a1dab16d8eef056f704f2c5b9e4079a5 /drivers/block/Kconfig | |
| parent | 923ae0ff9250430133b3310fe62c47538cf1cbc1 (diff) | |
| download | op-kernel-dev-a7a97fc9ff6c2fcec00feb34d9b87b94452b0b78.zip op-kernel-dev-a7a97fc9ff6c2fcec00feb34d9b87b94452b0b78.tar.gz | |
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 <matthew.r.wilcox@intel.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: Boaz Harrosh <boaz@plexistor.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block/Kconfig')
| -rw-r--r-- | drivers/block/Kconfig | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 014a1cf..1b8094d 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 |
