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Subject[PATCH 05/15] drbd: Renamed (old|new)_conf into (old|new)_net_conf in receive_SyncParam
Date
Preparing RCU for disk_conf

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
drivers/block/drbd/drbd_receiver.c | 32 ++++++++++++++++----------------
1 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 23614e4..bba0050 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3146,7 +3146,7 @@ static int receive_SyncParam(struct drbd_tconn *tconn, struct packet_info *pi)
unsigned int header_size, data_size, exp_max_sz;
struct crypto_hash *verify_tfm = NULL;
struct crypto_hash *csums_tfm = NULL;
- struct net_conf *old_conf, *new_conf = NULL;
+ struct net_conf *old_net_conf, *new_net_conf = NULL;
const int apv = tconn->agreed_pro_version;
int *rs_plan_s = NULL;
int fifo_size = 0;
@@ -3222,12 +3222,12 @@ static int receive_SyncParam(struct drbd_tconn *tconn, struct packet_info *pi)
}

mutex_lock(&mdev->tconn->conf_update);
- old_conf = mdev->tconn->net_conf;
+ old_net_conf = mdev->tconn->net_conf;

- if (strcmp(old_conf->verify_alg, p->verify_alg)) {
+ if (strcmp(old_net_conf->verify_alg, p->verify_alg)) {
if (mdev->state.conn == C_WF_REPORT_PARAMS) {
dev_err(DEV, "Different verify-alg settings. me=\"%s\" peer=\"%s\"\n",
- old_conf->verify_alg, p->verify_alg);
+ old_net_conf->verify_alg, p->verify_alg);
goto disconnect;
}
verify_tfm = drbd_crypto_alloc_digest_safe(mdev,
@@ -3238,10 +3238,10 @@ static int receive_SyncParam(struct drbd_tconn *tconn, struct packet_info *pi)
}
}

- if (apv >= 89 && strcmp(old_conf->csums_alg, p->csums_alg)) {
+ if (apv >= 89 && strcmp(old_net_conf->csums_alg, p->csums_alg)) {
if (mdev->state.conn == C_WF_REPORT_PARAMS) {
dev_err(DEV, "Different csums-alg settings. me=\"%s\" peer=\"%s\"\n",
- old_conf->csums_alg, p->csums_alg);
+ old_net_conf->csums_alg, p->csums_alg);
goto disconnect;
}
csums_tfm = drbd_crypto_alloc_digest_safe(mdev,
@@ -3272,34 +3272,34 @@ static int receive_SyncParam(struct drbd_tconn *tconn, struct packet_info *pi)
}

if (verify_tfm || csums_tfm) {
- new_conf = kzalloc(sizeof(struct net_conf), GFP_KERNEL);
- if (!new_conf) {
+ new_net_conf = kzalloc(sizeof(struct net_conf), GFP_KERNEL);
+ if (!new_net_conf) {
dev_err(DEV, "Allocation of new net_conf failed\n");
goto disconnect;
}

- *new_conf = *old_conf;
+ *new_net_conf = *old_net_conf;

if (verify_tfm) {
- strcpy(new_conf->verify_alg, p->verify_alg);
- new_conf->verify_alg_len = strlen(p->verify_alg) + 1;
+ strcpy(new_net_conf->verify_alg, p->verify_alg);
+ new_net_conf->verify_alg_len = strlen(p->verify_alg) + 1;
crypto_free_hash(mdev->tconn->verify_tfm);
mdev->tconn->verify_tfm = verify_tfm;
dev_info(DEV, "using verify-alg: \"%s\"\n", p->verify_alg);
}
if (csums_tfm) {
- strcpy(new_conf->csums_alg, p->csums_alg);
- new_conf->csums_alg_len = strlen(p->csums_alg) + 1;
+ strcpy(new_net_conf->csums_alg, p->csums_alg);
+ new_net_conf->csums_alg_len = strlen(p->csums_alg) + 1;
crypto_free_hash(mdev->tconn->csums_tfm);
mdev->tconn->csums_tfm = csums_tfm;
dev_info(DEV, "using csums-alg: \"%s\"\n", p->csums_alg);
}
- rcu_assign_pointer(tconn->net_conf, new_conf);
+ rcu_assign_pointer(tconn->net_conf, new_net_conf);
}
mutex_unlock(&mdev->tconn->conf_update);
- if (new_conf) {
+ if (new_net_conf) {
synchronize_rcu();
- kfree(old_conf);
+ kfree(old_net_conf);
}

spin_lock(&mdev->peer_seq_lock);
--
1.7.4.1


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