Maxim Shchetynin [off-list ref] wrote:

+config AZ_FS
+            tristate "AZFS filesystem support"
+            default m

                       ^
STRONG NACK, I hate digging in the menu tree and hunting for things I
don't need.

+            help
+              Non-buffered filesystem for block devices with a gendisk and
+              with direct_access() method in gendisk->fops.
+              AZFS does not buffer outgoing traffic and is doing no read
ahead.
+              AZFS uses block-size and sector-size provided by block
device
+              and gendisk's queue. Though mmap() method is available only
if
+              block-size equals to or is greater than system page size.

What is the benefit or intended use of this filesystem? Will your intended
user say "gendisk->fops->direct_access? I wanted to use it all my life"?

AZFZ seems to be an acronym. AirZound File System?
http://globetrotter.de/de/shop/detail.php?mod_nr=ex_35001&GTID=7c553060901a873c5bd29a1846ff39a3a32