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drbd: Bugfix for regression introduced with f9bc8913c06022e

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If we intent to use the block_id member of an epoch entry,
we may not use the digest member.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2010-08-23 16:17:13 +02:00
parent 48acf86898
commit 204bba9965
1 changed files with 3 additions and 1 deletions
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4
drivers/block/drbd/drbd_worker.c
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@ -1052,7 +1052,9 @@ int w_e_end_csum_rs_req(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
ok = drbd_send_ack(mdev, P_RS_IS_IN_SYNC, e);
} else {
inc_rs_pending(mdev);
e->block_id = ID_SYNCER;
e->block_id = ID_SYNCER; /* By setting block_id, digest pointer becomes invalid! */
e->flags &= ~EE_HAS_DIGEST; /* This e no longer has a digest pointer */
kfree(di);
ok = drbd_send_block(mdev, P_RS_DATA_REPLY, e);
}
} else {