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提交 270eb5c9 编写于 作者: A Andreas Gruenbacher 提交者： Philipp Reisner
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drbd: Rename net_conf variables old_conf -> old_net_conf and new_conf -> new_net_conf 

Signed-off-by: NAndreas Gruenbacher <agruen@linbit.com>
Signed-off-by: NPhilipp Reisner <philipp.reisner@linbit.com>
上级 59515a2e
隐藏空白更改
内联 并排
Showing with 46 addition and 46 deletion
drivers/block/drbd/drbd_nl.c
浏览文件 @ 270eb5c9
......@@ -1921,29 +1921,29 @@ static bool conn_ov_running(struct drbd_connection *connection)
}
static enum drbd_ret_code
_check_net_options(struct drbd_connection *connection, struct net_conf *old_conf, struct net_conf *new_conf)
_check_net_options(struct drbd_connection *connection, struct net_conf *old_net_conf, struct net_conf *new_net_conf)
{
struct drbd_peer_device *peer_device;
int i;
if (old_conf && connection->cstate == C_WF_REPORT_PARAMS && connection->agreed_pro_version < 100) {
if (new_conf->wire_protocol != old_conf->wire_protocol)
if (old_net_conf && connection->cstate == C_WF_REPORT_PARAMS && connection->agreed_pro_version < 100) {
if (new_net_conf->wire_protocol != old_net_conf->wire_protocol)
return ERR_NEED_APV_100;
if (new_conf->two_primaries != old_conf->two_primaries)
if (new_net_conf->two_primaries != old_net_conf->two_primaries)
return ERR_NEED_APV_100;
if (strcmp(new_conf->integrity_alg, old_conf->integrity_alg))
if (strcmp(new_net_conf->integrity_alg, old_net_conf->integrity_alg))
return ERR_NEED_APV_100;
}
if (!new_conf->two_primaries &&
if (!new_net_conf->two_primaries &&
conn_highest_role(connection) == R_PRIMARY &&
conn_highest_peer(connection) == R_PRIMARY)
return ERR_NEED_ALLOW_TWO_PRI;
if (new_conf->two_primaries &&
(new_conf->wire_protocol != DRBD_PROT_C))
if (new_net_conf->two_primaries &&
(new_net_conf->wire_protocol != DRBD_PROT_C))
return ERR_NOT_PROTO_C;
idr_for_each_entry(&connection->peer_devices, peer_device, i) {
......@@ -1951,28 +1951,28 @@ _check_net_options(struct drbd_connection *connection, struct net_conf *old_conf
if (get_ldev(device)) {
enum drbd_fencing_p fp = rcu_dereference(device->ldev->disk_conf)->fencing;
put_ldev(device);
if (new_conf->wire_protocol == DRBD_PROT_A && fp == FP_STONITH)
if (new_net_conf->wire_protocol == DRBD_PROT_A && fp == FP_STONITH)
return ERR_STONITH_AND_PROT_A;
}
if (device->state.role == R_PRIMARY && new_conf->discard_my_data)
if (device->state.role == R_PRIMARY && new_net_conf->discard_my_data)
return ERR_DISCARD_IMPOSSIBLE;
}
if (new_conf->on_congestion != OC_BLOCK && new_conf->wire_protocol != DRBD_PROT_A)
if (new_net_conf->on_congestion != OC_BLOCK && new_net_conf->wire_protocol != DRBD_PROT_A)
return ERR_CONG_NOT_PROTO_A;
return NO_ERROR;
}
static enum drbd_ret_code
check_net_options(struct drbd_connection *connection, struct net_conf *new_conf)
check_net_options(struct drbd_connection *connection, struct net_conf *new_net_conf)
{
static enum drbd_ret_code rv;
struct drbd_peer_device *peer_device;
int i;
rcu_read_lock();
rv = _check_net_options(connection, rcu_dereference(connection->net_conf), new_conf);
rv = _check_net_options(connection, rcu_dereference(connection->net_conf), new_net_conf);
rcu_read_unlock();
/* connection->volumes protected by genl_lock() here */
......@@ -2010,26 +2010,26 @@ alloc_hash(struct crypto_hash **tfm, char *tfm_name, int err_alg)
}
static enum drbd_ret_code
alloc_crypto(struct crypto *crypto, struct net_conf *new_conf)
alloc_crypto(struct crypto *crypto, struct net_conf *new_net_conf)
{
char hmac_name[CRYPTO_MAX_ALG_NAME];
enum drbd_ret_code rv;
rv = alloc_hash(&crypto->csums_tfm, new_conf->csums_alg,
rv = alloc_hash(&crypto->csums_tfm, new_net_conf->csums_alg,
ERR_CSUMS_ALG);
if (rv != NO_ERROR)
return rv;
rv = alloc_hash(&crypto->verify_tfm, new_conf->verify_alg,
rv = alloc_hash(&crypto->verify_tfm, new_net_conf->verify_alg,
ERR_VERIFY_ALG);
if (rv != NO_ERROR)
return rv;
rv = alloc_hash(&crypto->integrity_tfm, new_conf->integrity_alg,
rv = alloc_hash(&crypto->integrity_tfm, new_net_conf->integrity_alg,
ERR_INTEGRITY_ALG);
if (rv != NO_ERROR)
return rv;
if (new_conf->cram_hmac_alg[0] != 0) {
if (new_net_conf->cram_hmac_alg[0] != 0) {
snprintf(hmac_name, CRYPTO_MAX_ALG_NAME, "hmac(%s)",
new_conf->cram_hmac_alg);
new_net_conf->cram_hmac_alg);
rv = alloc_hash(&crypto->cram_hmac_tfm, hmac_name,
ERR_AUTH_ALG);
......@@ -2050,7 +2050,7 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
{
enum drbd_ret_code retcode;
struct drbd_connection *connection;
struct net_conf *old_conf, *new_conf = NULL;
struct net_conf *old_net_conf, *new_net_conf = NULL;
int err;
int ovr; /* online verify running */
int rsr; /* re-sync running */
......@@ -2064,8 +2064,8 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
connection = adm_ctx.connection;
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) {
retcode = ERR_NOMEM;
goto out;
}
......@@ -2074,48 +2074,48 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
mutex_lock(&connection->data.mutex);
mutex_lock(&connection->conf_update);
old_conf = connection->net_conf;
old_net_conf = connection->net_conf;
if (!old_conf) {
if (!old_net_conf) {
drbd_msg_put_info("net conf missing, try connect");
retcode = ERR_INVALID_REQUEST;
goto fail;
}
*new_conf = *old_conf;
*new_net_conf = *old_net_conf;
if (should_set_defaults(info))
set_net_conf_defaults(new_conf);
set_net_conf_defaults(new_net_conf);
err = net_conf_from_attrs_for_change(new_conf, info);
err = net_conf_from_attrs_for_change(new_net_conf, info);
if (err && err != -ENOMSG) {
retcode = ERR_MANDATORY_TAG;
drbd_msg_put_info(from_attrs_err_to_txt(err));
goto fail;
}
retcode = check_net_options(connection, new_conf);
retcode = check_net_options(connection, new_net_conf);
if (retcode != NO_ERROR)
goto fail;
/* re-sync running */
rsr = conn_resync_running(connection);
if (rsr && strcmp(new_conf->csums_alg, old_conf->csums_alg)) {
if (rsr && strcmp(new_net_conf->csums_alg, old_net_conf->csums_alg)) {
retcode = ERR_CSUMS_RESYNC_RUNNING;
goto fail;
}
/* online verify running */
ovr = conn_ov_running(connection);
if (ovr && strcmp(new_conf->verify_alg, old_conf->verify_alg)) {
if (ovr && strcmp(new_net_conf->verify_alg, old_net_conf->verify_alg)) {
retcode = ERR_VERIFY_RUNNING;
goto fail;
}
retcode = alloc_crypto(&crypto, new_conf);
retcode = alloc_crypto(&crypto, new_net_conf);
if (retcode != NO_ERROR)
goto fail;
rcu_assign_pointer(connection->net_conf, new_conf);
rcu_assign_pointer(connection->net_conf, new_net_conf);
if (!rsr) {
crypto_free_hash(connection->csums_tfm);
......@@ -2140,7 +2140,7 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
mutex_unlock(&connection->conf_update);
mutex_unlock(&connection->data.mutex);
synchronize_rcu();
kfree(old_conf);
kfree(old_net_conf);
if (connection->cstate >= C_WF_REPORT_PARAMS)
drbd_send_sync_param(minor_to_device(conn_lowest_minor(connection)));
......@@ -2151,7 +2151,7 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
mutex_unlock(&connection->conf_update);
mutex_unlock(&connection->data.mutex);
free_crypto(&crypto);
kfree(new_conf);
kfree(new_net_conf);
done:
conn_reconfig_done(connection);
out:
......@@ -2162,7 +2162,7 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info)
{
struct drbd_peer_device *peer_device;
struct net_conf *old_conf, *new_conf = NULL;
struct net_conf *old_net_conf, *new_net_conf = NULL;
struct crypto crypto = { };
struct drbd_resource *resource;
struct drbd_connection *connection;
......@@ -2212,41 +2212,41 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info)
}
/* allocation not in the IO path, drbdsetup / netlink process context */
new_conf = kzalloc(sizeof(*new_conf), GFP_KERNEL);
if (!new_conf) {
new_net_conf = kzalloc(sizeof(*new_net_conf), GFP_KERNEL);
if (!new_net_conf) {
retcode = ERR_NOMEM;
goto fail;
}
set_net_conf_defaults(new_conf);
set_net_conf_defaults(new_net_conf);
err = net_conf_from_attrs(new_conf, info);
err = net_conf_from_attrs(new_net_conf, info);
if (err && err != -ENOMSG) {
retcode = ERR_MANDATORY_TAG;
drbd_msg_put_info(from_attrs_err_to_txt(err));
goto fail;
}
retcode = check_net_options(connection, new_conf);
retcode = check_net_options(connection, new_net_conf);
if (retcode != NO_ERROR)
goto fail;
retcode = alloc_crypto(&crypto, new_conf);
retcode = alloc_crypto(&crypto, new_net_conf);
if (retcode != NO_ERROR)
goto fail;
((char *)new_conf->shared_secret)[SHARED_SECRET_MAX-1] = 0;
((char *)new_net_conf->shared_secret)[SHARED_SECRET_MAX-1] = 0;
conn_flush_workqueue(connection);
mutex_lock(&connection->conf_update);
old_conf = connection->net_conf;
if (old_conf) {
old_net_conf = connection->net_conf;
if (old_net_conf) {
retcode = ERR_NET_CONFIGURED;
mutex_unlock(&connection->conf_update);
goto fail;
}
rcu_assign_pointer(connection->net_conf, new_conf);
rcu_assign_pointer(connection->net_conf, new_net_conf);
conn_free_crypto(connection);
connection->cram_hmac_tfm = crypto.cram_hmac_tfm;
......@@ -2277,7 +2277,7 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info)
fail:
free_crypto(&crypto);
kfree(new_conf);
kfree(new_net_conf);
conn_reconfig_done(connection);
out:
......
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