drochner 5724e77fda Implement experimental support to pass notifications that a file ...

was deleted from the filesystem to the disk driver, commonly
known as "discard" or "trim".
fs/driver support is in ffs and ata wd for now.
This is what was posted here:
http://mail-index.netbsd.org/tech-kern/2012/02/28/msg012813.html
with minor cleanup, and the global switch replaced by a mount option.

2012-10-19 17:09:06 +00:00

..

Makefile

…

mount_ffs.8

…

mount_ffs.c

…

mount_ffs.h

…