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authorDan Williams <dan.j.williams@intel.com>2017-01-25 16:54:45 -0800
committerDan Williams <dan.j.williams@intel.com>2017-04-19 15:14:36 -0700
commit1647b9b959c7b1b3c20e8efa2c40529e7dce756a (patch)
treeead50daa12cc606be8f24d6cc9fb18cb4a18bcfe /drivers/block/Kconfig
parent60fcd55cc236dbb3d6587f48120f00f59cb08540 (diff)
downloadlinux-1647b9b959c7b1b3c20e8efa2c40529e7dce756a.tar.gz
brd: add dax_operations support
    
Setup a dax_inode to have the same lifetime as the brd block device and
add a ->direct_access() method that is equivalent to
brd_direct_access(). Once fs/dax.c has been converted to use
dax_operations the old brd_direct_access() will be removed.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/block/Kconfig')
-rw-r--r--drivers/block/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index f744de7a0f9b..e66956fc2c88 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -339,6 +339,7 @@ config BLK_DEV_SX8
 
 config BLK_DEV_RAM
 	tristate "RAM block device support"
+	select DAX if BLK_DEV_RAM_DAX
 	---help---
 	  Saying Y here will allow you to use a portion of your RAM memory as
 	  a block device, so that you can make file systems on it, read and