| config BTRFS_FS | 
 | 	tristate "Btrfs filesystem (EXPERIMENTAL) Unstable disk format" | 
 | 	depends on EXPERIMENTAL | 
 | 	select LIBCRC32C | 
 | 	select ZLIB_INFLATE | 
 | 	select ZLIB_DEFLATE | 
 | 	help | 
 | 	  Btrfs is a new filesystem with extents, writable snapshotting, | 
 | 	  support for multiple devices and many more features. | 
 |  | 
 | 	  Btrfs is highly experimental, and THE DISK FORMAT IS NOT YET | 
 | 	  FINALIZED.  You should say N here unless you are interested in | 
 | 	  testing Btrfs with non-critical data. | 
 |  | 
 | 	  To compile this file system support as a module, choose M here. The | 
 | 	  module will be called btrfs. | 
 |  | 
 | 	  If unsure, say N. | 
 |  | 
 | config BTRFS_FS_POSIX_ACL | 
 | 	bool "Btrfs POSIX Access Control Lists" | 
 | 	depends on BTRFS_FS | 
 | 	select FS_POSIX_ACL | 
 | 	help | 
 | 	  POSIX Access Control Lists (ACLs) support permissions for users and | 
 | 	  groups beyond the owner/group/world scheme. | 
 |  | 
 | 	  To learn more about Access Control Lists, visit the POSIX ACLs for | 
 | 	  Linux website <http://acl.bestbits.at/>. | 
 |  | 
 | 	  If you don't know what Access Control Lists are, say N |