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author | Philipp Reisner <philipp.reisner@linbit.com> | 2011-11-11 12:31:20 +0100 |
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committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-11-08 16:58:10 +0100 |
commit | 380207d08e7c4d1b19c0323777278992b4fbf9d6 (patch) | |
tree | 3a35f3543810eb2a7d87f15dd62a8fe8e13aad76 /include/linux/drbd_limits.h | |
parent | d10b4ea32bf2b77a3d56a20992cd549978df7b38 (diff) |
drbd: Load balancing of read requests
New config option for the disk secition "read-balancing", with
the values: prefer-local, prefer-remote, round-robin, when-congested-remote.
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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 6d0a24331ed..17ef66a5c11 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -161,6 +161,7 @@ #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_READ_BALANCING_DEF RB_PREFER_LOCAL #define DRBD_MAX_BIO_BVECS_MIN 0 #define DRBD_MAX_BIO_BVECS_MAX 128 |