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drbd: Renamed write_flags_to_bio() to wire_flags_to_bio()

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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 2010-11-17 22:25:03 +01:00 committed by Philipp Reisner
parent 4896e8c1b8
commit 688593c5a8
1 changed files with 14 additions and 14 deletions
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28
drivers/block/drbd/drbd_receiver.c
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@ -1612,15 +1612,15 @@ static int drbd_wait_peer_seq(struct drbd_conf *mdev, const u32 packet_seq)
return ret; return ret;
} }
static unsigned long write_flags_to_bio(struct drbd_conf *mdev, u32 dpf) /* see also bio_flags_to_wire()
* DRBD_REQ_*, because we need to semantically map the flags to data packet
* flags and back. We may replicate to other kernel versions. */
static unsigned long wire_flags_to_bio(struct drbd_conf *mdev, u32 dpf)
{ {
if (mdev->agreed_pro_version >= 95) return (dpf & DP_RW_SYNC ? REQ_SYNC : 0) |
return (dpf & DP_RW_SYNC ? REQ_SYNC : 0) | (dpf & DP_FUA ? REQ_FUA : 0) |
(dpf & DP_FUA ? REQ_FUA : 0) | (dpf & DP_FLUSH ? REQ_FLUSH : 0) |
(dpf & DP_FLUSH ? REQ_FUA : 0) | (dpf & DP_DISCARD ? REQ_DISCARD : 0);
(dpf & DP_DISCARD ? REQ_DISCARD : 0);
else
return dpf & DP_RW_SYNC ? REQ_SYNC : 0;
} }
/* mirrored write */ /* mirrored write */
@ -1660,18 +1660,18 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
e->w.cb = e_end_block; e->w.cb = e_end_block;
dp_flags = be32_to_cpu(p->dp_flags);
rw |= wire_flags_to_bio(mdev, dp_flags);
if (dp_flags & DP_MAY_SET_IN_SYNC)
e->flags |= EE_MAY_SET_IN_SYNC;
spin_lock(&mdev->epoch_lock); spin_lock(&mdev->epoch_lock);
e->epoch = mdev->current_epoch; e->epoch = mdev->current_epoch;
atomic_inc(&e->epoch->epoch_size); atomic_inc(&e->epoch->epoch_size);
atomic_inc(&e->epoch->active); atomic_inc(&e->epoch->active);
spin_unlock(&mdev->epoch_lock); spin_unlock(&mdev->epoch_lock);
dp_flags = be32_to_cpu(p->dp_flags);
rw |= write_flags_to_bio(mdev, dp_flags);
if (dp_flags & DP_MAY_SET_IN_SYNC)
e->flags |= EE_MAY_SET_IN_SYNC;
/* I'm the receiver, I do hold a net_cnt reference. */ /* I'm the receiver, I do hold a net_cnt reference. */
if (!mdev->net_conf->two_primaries) { if (!mdev->net_conf->two_primaries) {
spin_lock_irq(&mdev->req_lock); spin_lock_irq(&mdev->req_lock);