diff options
| author | Mike Snitzer <[email protected]> | 2013-09-12 18:06:12 -0400 |
|---|---|---|
| committer | Mike Snitzer <[email protected]> | 2013-09-23 10:42:24 -0400 |
| commit | f47908269fb53d522a956b78612a0037f5faf8e7 (patch) | |
| tree | 47723023a5389daa5cdd974d4b53c3d91198be6e /tools/perf/util/trace-event-scripting.c | |
| parent | 6cfa58573f9b4a543005baa002e137820504c7af (diff) | |
dm: add reserved_rq_based_ios module parameter
Allow user to change the number of IOs that are reserved by
request-based DM's mempools by writing to this file:
/sys/module/dm_mod/parameters/reserved_rq_based_ios
The default value is RESERVED_REQUEST_BASED_IOS (256). The maximum
allowed value is RESERVED_MAX_IOS (1024).
Export dm_get_reserved_rq_based_ios() for use by DM targets and core
code. Switch to sizing dm-mpath's mempool using DM core's configurable
'reserved_rq_based_ios'.
Signed-off-by: Mike Snitzer <[email protected]>
Signed-off-by: Frank Mayhar <[email protected]>
Acked-by: Mikulas Patocka <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions