diff options
| author | Philipp Reisner <philipp.reisner@linbit.com> | 2010-07-05 15:42:03 +0400 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2010-10-14 20:38:12 +0400 |
| commit | 9a31d7164d409ca59cfadb7957ac7b0acf4545b8 (patch) | |
| tree | 3859b808c97180308d796f87d6af6fd9888b7f5f | |
| parent | d28fd092a55b504a0d699b65802a995086d70647 (diff) | |
| download | linux-9a31d7164d409ca59cfadb7957ac7b0acf4545b8.tar.xz | |
drbd: New sync parameters for the smart resync rate controller
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 6 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 4 | ||||
| -rw-r--r-- | include/linux/drbd_limits.h | 24 | ||||
| -rw-r--r-- | include/linux/drbd_nl.h | 4 |
4 files changed, 25 insertions, 13 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 410d3d4f361e..5a484c1f5ce7 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2690,7 +2690,11 @@ static void drbd_set_defaults(struct drbd_conf *mdev) /* .cpu_mask = */ {}, 0, /* .csums_alg = */ {}, 0, /* .use_rle = */ 0, - /* .on_no_data = */ DRBD_ON_NO_DATA_DEF + /* .on_no_data = */ DRBD_ON_NO_DATA_DEF, + /* .c_plan_ahead = */ DRBD_C_PLAN_AHEAD_DEF, + /* .c_delay_target = */ DRBD_C_DELAY_TARGET_DEF, + /* .c_fill_target = */ DRBD_C_FILL_TARGET_DEF, + /* .c_max_rate = */ DRBD_C_MAX_RATE_DEF }; /* Have to use that way, because the layout differs between diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 6c08e637e25c..7d384fd39c16 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1599,6 +1599,10 @@ static int drbd_nl_syncer_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *n sc.after = DRBD_AFTER_DEF; sc.al_extents = DRBD_AL_EXTENTS_DEF; sc.on_no_data = DRBD_ON_NO_DATA_DEF; + sc.c_plan_ahead = DRBD_C_PLAN_AHEAD_DEF; + sc.c_delay_target = DRBD_C_DELAY_TARGET_DEF; + sc.c_fill_target = DRBD_C_FILL_TARGET_DEF; + sc.c_max_rate = DRBD_C_MAX_RATE_DEF; } else memcpy(&sc, &mdev->sync_conf, sizeof(struct syncer_conf)); diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 7eb1e98009ec..06dbba47a8ef 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -134,21 +134,21 @@ #define DRBD_MAX_BIO_BVECS_MAX 128 #define DRBD_MAX_BIO_BVECS_DEF 0 -#define DRBD_DP_VOLUME_MIN 4 -#define DRBD_DP_VOLUME_MAX 1048576 -#define DRBD_DP_VOLUME_DEF 16384 +#define DRBD_C_PLAN_AHEAD_MIN 0 +#define DRBD_C_PLAN_AHEAD_MAX 300 +#define DRBD_C_PLAN_AHEAD_DEF 0 /* RS rate controller disabled by default */ -#define DRBD_DP_INTERVAL_MIN 1 -#define DRBD_DP_INTERVAL_MAX 600 -#define DRBD_DP_INTERVAL_DEF 5 +#define DRBD_C_DELAY_TARGET_MIN 1 +#define DRBD_C_DELAY_TARGET_MAX 100 +#define DRBD_C_DELAY_TARGET_DEF 10 -#define DRBD_RS_THROTTLE_TH_MIN 1 -#define DRBD_RS_THROTTLE_TH_MAX 600 -#define DRBD_RS_THROTTLE_TH_DEF 20 +#define DRBD_C_FILL_TARGET_MIN 0 +#define DRBD_C_FILL_TARGET_MAX 100000 +#define DRBD_C_FILL_TARGET_DEF 0 /* By default disabled -> controlled by delay_target */ -#define DRBD_RS_HOLD_OFF_TH_MIN 1 -#define DRBD_RS_HOLD_OFF_TH_MAX 6000 -#define DRBD_RS_HOLD_OFF_TH_DEF 100 +#define DRBD_C_MAX_RATE_MIN 250 /* kByte/sec */ +#define DRBD_C_MAX_RATE_MAX (4 << 20) +#define DRBD_C_MAX_RATE_DEF 102400 #undef RANGE #endif diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h index 9aebd0d80a5d..e23683c87ca1 100644 --- a/include/linux/drbd_nl.h +++ b/include/linux/drbd_nl.h @@ -88,6 +88,10 @@ NL_PACKET(syncer_conf, 8, NL_STRING( 64, T_MAY_IGNORE, csums_alg, SHARED_SECRET_MAX) NL_BIT( 65, T_MAY_IGNORE, use_rle) NL_INTEGER( 75, T_MAY_IGNORE, on_no_data) + NL_INTEGER( 76, T_MAY_IGNORE, c_plan_ahead) + NL_INTEGER( 77, T_MAY_IGNORE, c_delay_target) + NL_INTEGER( 78, T_MAY_IGNORE, c_fill_target) + NL_INTEGER( 79, T_MAY_IGNORE, c_max_rate) ) NL_PACKET(invalidate, 9, ) |