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drbd: introduce stop-sector to online verify

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We now can schedule only a specific range of sectors for online verify,
or interrupt a running verify without interrupting the connection.

Had to bump the protocol version differently, we are now 101.
Added verify_can_do_stop_sector() { protocol >= 97 && protocol != 100; }

Also, the return value convention for worker callbacks has changed,
we returned "true/false" for "keep the connection up" in 8.3,
we return 0 for success and <= for failure in 8.4.
Affected: receive_state()

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg
2012-07-26 14:09:49 +02:00
committed by Philipp Reisner
parent 970fbde1f1
commit 58ffa580a7
8 changed files with 76 additions and 20 deletions
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include/linux/drbd_genl.h
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@@ -215,6 +215,7 @@ GENL_struct(DRBD_NLA_STATE_INFO, 8, state_info,
GENL_struct(DRBD_NLA_START_OV_PARMS, 9, start_ov_parms,
__u64_field(1, DRBD_GENLA_F_MANDATORY, ov_start_sector)
__u64_field(2, DRBD_GENLA_F_MANDATORY, ov_stop_sector)
)
GENL_struct(DRBD_NLA_NEW_C_UUID_PARMS, 10, new_c_uuid_parms,