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drbd: only restart frozen disk io when D_UP_TO_DATE

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When re-attaching the local backend device to a C_STANDALONE D_DISKLESS
R_PRIMARY with OND_SUSPEND_IO, we may only resume IO if we recognize the
backend that is being attached as D_UP_TO_DATE.

Signed-off-by: Philipp Reisner <[email protected]>
Signed-off-by: Lars Ellenberg <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Lars Ellenberg 2016-06-14 00:26:28 +02:00 • committed by Jens Axboe
commit af61494ad4
1 changed files with 1 additions and 1 deletions
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2
drivers/block/drbd/drbd_state.c
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@ -1675,7 +1675,7 @@ static void after_state_ch(struct drbd_device *device, union drbd_state os,
what = RESEND;
if ((os.disk == D_ATTACHING || os.disk == D_NEGOTIATING) &&
conn_lowest_disk(connection) > D_NEGOTIATING)
conn_lowest_disk(connection) == D_UP_TO_DATE)
what = RESTART_FROZEN_DISK_IO;
if (resource->susp_nod && what != NOTHING) {