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drbd: drbd_send_ack(): Return 0 upon success and an error code otherwise 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Andreas Gruenbacher 2011-03-16 15:39:08 +01:00 committed by Philipp Reisner
parent a8c32aa846
commit dd5161218b
3 changed files with 14 additions and 14 deletions
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8
drivers/block/drbd/drbd_main.c
View File

@ -1288,10 +1288,10 @@ int drbd_send_ack_rp(struct drbd_conf *mdev, enum drbd_packet cmd,
int drbd_send_ack(struct drbd_conf *mdev, enum drbd_packet cmd,
struct drbd_peer_request *peer_req)
{
return !_drbd_send_ack(mdev, cmd,
cpu_to_be64(peer_req->i.sector),
cpu_to_be32(peer_req->i.size),
peer_req->block_id);
return _drbd_send_ack(mdev, cmd,
cpu_to_be64(peer_req->i.sector),
cpu_to_be32(peer_req->i.size),
peer_req->block_id);
}
/* This function misuses the block_id field to signal if the blocks

10
drivers/block/drbd/drbd_receiver.c
View File

@ -1473,12 +1473,12 @@ static int e_end_resync_block(struct drbd_work *w, int unused)
if (likely((peer_req->flags & EE_WAS_ERROR) == 0)) {
drbd_set_in_sync(mdev, sector, peer_req->i.size);
ok = drbd_send_ack(mdev, P_RS_WRITE_ACK, peer_req);
ok = !drbd_send_ack(mdev, P_RS_WRITE_ACK, peer_req);
} else {
/* Record failure to sync */
drbd_rs_failed_io(mdev, sector, peer_req->i.size);
ok = drbd_send_ack(mdev, P_NEG_ACK, peer_req);
ok = !drbd_send_ack(mdev, P_NEG_ACK, peer_req);
}
dec_unacked(mdev);
@ -1659,11 +1659,11 @@ static int e_end_block(struct drbd_work *w, int cancel)
mdev->state.conn <= C_PAUSED_SYNC_T &&
peer_req->flags & EE_MAY_SET_IN_SYNC) ?
P_RS_WRITE_ACK : P_WRITE_ACK;
ok &= drbd_send_ack(mdev, pcmd, peer_req);
ok &= !drbd_send_ack(mdev, pcmd, peer_req);
if (pcmd == P_RS_WRITE_ACK)
drbd_set_in_sync(mdev, sector, peer_req->i.size);
} else {
ok = drbd_send_ack(mdev, P_NEG_ACK, peer_req);
ok = !drbd_send_ack(mdev, P_NEG_ACK, peer_req);
/* we expect it to be marked out of sync anyways...
* maybe assert this? */
}
@ -1693,7 +1693,7 @@ static int e_send_ack(struct drbd_work *w, enum drbd_packet ack)
container_of(w, struct drbd_peer_request, w);
int ok;
ok = drbd_send_ack(mdev, ack, peer_req);
ok = !drbd_send_ack(mdev, ack, peer_req);
dec_unacked(mdev);
return ok;

10
drivers/block/drbd/drbd_worker.c
View File

@ -926,7 +926,7 @@ int w_e_end_data_req(struct drbd_work *w, int cancel)
dev_err(DEV, "Sending NegDReply. sector=%llus.\n",
(unsigned long long)peer_req->i.sector);
ok = drbd_send_ack(mdev, P_NEG_DREPLY, peer_req);
ok = !drbd_send_ack(mdev, P_NEG_DREPLY, peer_req);
}
dec_unacked(mdev);
@ -962,7 +962,7 @@ int w_e_end_rsdata_req(struct drbd_work *w, int cancel)
}
if (mdev->state.conn == C_AHEAD) {
ok = drbd_send_ack(mdev, P_RS_CANCEL, peer_req);
ok = !drbd_send_ack(mdev, P_RS_CANCEL, peer_req);
} else if (likely((peer_req->flags & EE_WAS_ERROR) == 0)) {
if (likely(mdev->state.pdsk >= D_INCONSISTENT)) {
inc_rs_pending(mdev);
@ -978,7 +978,7 @@ int w_e_end_rsdata_req(struct drbd_work *w, int cancel)
dev_err(DEV, "Sending NegRSDReply. sector %llus.\n",
(unsigned long long)peer_req->i.sector);
ok = drbd_send_ack(mdev, P_NEG_RS_DREPLY, peer_req);
ok = !drbd_send_ack(mdev, P_NEG_RS_DREPLY, peer_req);
/* update resync data with failure */
drbd_rs_failed_io(mdev, peer_req->i.sector, peer_req->i.size);
@ -1034,7 +1034,7 @@ int w_e_end_csum_rs_req(struct drbd_work *w, int cancel)
drbd_set_in_sync(mdev, peer_req->i.sector, peer_req->i.size);
/* rs_same_csums unit is BM_BLOCK_SIZE */
mdev->rs_same_csum += peer_req->i.size >> BM_BLOCK_SHIFT;
ok = drbd_send_ack(mdev, P_RS_IS_IN_SYNC, peer_req);
ok = !drbd_send_ack(mdev, P_RS_IS_IN_SYNC, peer_req);
} else {
inc_rs_pending(mdev);
peer_req->block_id = ID_SYNCER; /* By setting block_id, digest pointer becomes invalid! */
@ -1043,7 +1043,7 @@ int w_e_end_csum_rs_req(struct drbd_work *w, int cancel)
ok = drbd_send_block(mdev, P_RS_DATA_REPLY, peer_req);
}
} else {
ok = drbd_send_ack(mdev, P_NEG_RS_DREPLY, peer_req);
ok = !drbd_send_ack(mdev, P_NEG_RS_DREPLY, peer_req);
if (__ratelimit(&drbd_ratelimit_state))
dev_err(DEV, "Sending NegDReply. I guess it gets messy.\n");
}