[deliverable/linux.git] / Documentation / ABI / testing / sysfs-driver-xen-blkback

What:           /sys/module/xen_blkback/parameters/max_buffer_pages
Date:           March 2013
KernelVersion:  3.11
Contact:        Roger Pau Monné <roger.pau@citrix.com>
Description:
                Maximum number of free pages to keep in each block
                backend buffer.

What:           /sys/module/xen_blkback/parameters/max_persistent_grants
Date:           March 2013
KernelVersion:  3.11
Contact:        Roger Pau Monné <roger.pau@citrix.com>
Description:
                Maximum number of grants to map persistently in
                blkback. If the frontend tries to use more than
                max_persistent_grants, the LRU kicks in and starts
                removing 5% of max_persistent_grants every 100ms.
Commit	Line	Data
1d199650 KRW	1	What: /sys/module/xen_blkback/parameters/max_buffer_pages
	2	Date: March 2013
	3	KernelVersion: 3.11
	4	Contact: Roger Pau Monné <roger.pau@citrix.com>
	5	Description:
	6	Maximum number of free pages to keep in each block
	7	backend buffer.
	8
	9	What: /sys/module/xen_blkback/parameters/max_persistent_grants
	10	Date: March 2013
	11	KernelVersion: 3.11
	12	Contact: Roger Pau Monné <roger.pau@citrix.com>
	13	Description:
	14	Maximum number of grants to map persistently in
	15	blkback. If the frontend tries to use more than
	16	max_persistent_grants, the LRU kicks in and starts
	17	removing 5% of max_persistent_grants every 100ms.