[PATCH 08/30] drbd: fix regression: protocol A sometimes synchronous, C sometimes double-latency

2016-06-13 Thread Philipp Reisner
From: Lars Ellenberg Regression introduced with 8.4.5 drbd: application writes may set-in-sync in protocol != C Overwriting the same block (LBA) while a former version is still "in-flight" to the peer (to be exact: we did not receive the P_BARRIER_ACK for its epoch

[PATCH 08/30] drbd: fix regression: protocol A sometimes synchronous, C sometimes double-latency

2016-06-13 Thread Philipp Reisner
From: Lars Ellenberg Regression introduced with 8.4.5 drbd: application writes may set-in-sync in protocol != C Overwriting the same block (LBA) while a former version is still "in-flight" to the peer (to be exact: we did not receive the P_BARRIER_ACK for its epoch yet) would wait for the full

[PATCH 08/30] drbd: fix regression: protocol A sometimes synchronous, C sometimes double-latency

2016-06-13 Thread Philipp Reisner
From: Lars Ellenberg Regression introduced with 8.4.5 drbd: application writes may set-in-sync in protocol != C Overwriting the same block (LBA) while a former version is still "in-flight" to the peer (to be exact: we did not receive the P_BARRIER_ACK for its epoch

[PATCH 08/30] drbd: fix regression: protocol A sometimes synchronous, C sometimes double-latency

2016-06-13 Thread Philipp Reisner
From: Lars Ellenberg Regression introduced with 8.4.5 drbd: application writes may set-in-sync in protocol != C Overwriting the same block (LBA) while a former version is still "in-flight" to the peer (to be exact: we did not receive the P_BARRIER_ACK for its epoch yet) would wait for the full

[PATCH 08/30] drbd: fix regression: protocol A sometimes synchronous, C sometimes double-latency

2016-04-25 Thread Philipp Reisner
From: Lars Ellenberg Regression introduced with 8.4.5 drbd: application writes may set-in-sync in protocol != C Overwriting the same block (LBA) while a former version is still "in-flight" to the peer (to be exact: we did not receive the P_BARRIER_ACK for its epoch

[PATCH 08/30] drbd: fix regression: protocol A sometimes synchronous, C sometimes double-latency

2016-04-25 Thread Philipp Reisner
From: Lars Ellenberg Regression introduced with 8.4.5 drbd: application writes may set-in-sync in protocol != C Overwriting the same block (LBA) while a former version is still "in-flight" to the peer (to be exact: we did not receive the P_BARRIER_ACK for its epoch yet) would wait for the full