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author | Philipp Reisner <philipp.reisner@linbit.com> | 2010-10-27 11:12:07 +0200 |
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committer | Philipp Reisner <philipp.reisner@linbit.com> | 2011-03-10 11:34:45 +0100 |
commit | 422028b1ca4c07995af82a18abced022ff4c296c (patch) | |
tree | 87583c3aab3d8b39c5210de800d5eae79941dc25 /include/linux/drbd_limits.h | |
parent | 759fbdfba66e620aceb3e73167e6003d1b8b0b0b (diff) | |
download | linux-stable-422028b1ca4c07995af82a18abced022ff4c296c.tar.gz linux-stable-422028b1ca4c07995af82a18abced022ff4c296c.tar.bz2 linux-stable-422028b1ca4c07995af82a18abced022ff4c296c.zip |
drbd: New configuration parameters for dealing with network congestion
net {
on_congestion {block|pull-ahead|disconnect};
congestion-fill {sectors};
congestion-extents {al-extents};
}
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'include/linux/drbd_limits.h')
-rw-r--r-- | include/linux/drbd_limits.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 4ac33f34b77e..abf418724e52 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -129,6 +129,7 @@ #define DRBD_AFTER_SB_2P_DEF ASB_DISCONNECT #define DRBD_RR_CONFLICT_DEF ASB_DISCONNECT #define DRBD_ON_NO_DATA_DEF OND_IO_ERROR +#define DRBD_ON_CONGESTION_DEF OC_BLOCK #define DRBD_MAX_BIO_BVECS_MIN 0 #define DRBD_MAX_BIO_BVECS_MAX 128 @@ -154,5 +155,13 @@ #define DRBD_C_MIN_RATE_MAX (4 << 20) #define DRBD_C_MIN_RATE_DEF 4096 +#define DRBD_CONG_FILL_MIN 0 +#define DRBD_CONG_FILL_MAX (10<<21) /* 10GByte in sectors */ +#define DRBD_CONG_FILL_DEF 0 + +#define DRBD_CONG_EXTENTS_MIN DRBD_AL_EXTENTS_MIN +#define DRBD_CONG_EXTENTS_MAX DRBD_AL_EXTENTS_MAX +#define DRBD_CONG_EXTENTS_DEF DRBD_AL_EXTENTS_DEF + #undef RANGE #endif |