Commit graph

5 commits

Author SHA1 Message Date
Greg Kroah-Hartman
88ff720865 Staging: cowloop: remove kernel version checks
Now that the code is in the kernel tree, remove the unneeded version
checks.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-15 12:02:33 -07:00
Greg Kroah-Hartman
a3b2e09333 Staging: add cowloop to the build
Now that the code can build, let's add it to the build system.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-15 12:02:33 -07:00
Greg Kroah-Hartman
5cc06df69f Staging: cowloop: add TODO file
Add a TODO file with a few things that needs to be fixed up.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-15 12:02:33 -07:00
Greg Kroah-Hartman
8cd9c297a8 Staging: get cowloop to build properly
There has been some block api changes since the last
release of the cowloop code.  This patch updates the code to
properly build.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-15 12:02:33 -07:00
H.J. Thomassen
dbda83255c Staging: add cowloop driver
Cowloop is a "copy-on-write" pseudo block driver. It can
be stacked on top of a "real" block driver, and catches
all write operations on their way from the file systems
layer above to the real driver below, effectively shielding
the lower driver from those write accesses. The requests are
then diverted to an ordinary file, located somewhere else
(configurable). Later read requests are checked to see whether
they can be serviced by the "real" block driver below, or
must be pulled in from the diverted location. More information
is on the project's website http://www.ATComputing.nl/cowloop/

From: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-15 12:02:33 -07:00