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| author | Mike Snitzer <snitzer@redhat.com> | 2013-09-13 00:06:12 +0200 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2013-09-23 16:42:24 +0200 |
| commit | f47908269fb53d522a956b78612a0037f5faf8e7 (patch) | |
| tree | 47723023a5389daa5cdd974d4b53c3d91198be6e /drivers/md/dm-io.c | |
| parent | dm: lower bio-based mempool reservation (diff) | |
| download | linux-f47908269fb53d522a956b78612a0037f5faf8e7.tar.xz linux-f47908269fb53d522a956b78612a0037f5faf8e7.zip | |
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 <snitzer@redhat.com>
Signed-off-by: Frank Mayhar <fmayhar@google.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Diffstat (limited to 'drivers/md/dm-io.c')
0 files changed, 0 insertions, 0 deletions