From: Philipp Reisner <philipp.reisner@linbit.com>
To: linux-kernel@vger.kernel.org, Jens Axboe <axboe@kernel.dk>
Cc: drbd-dev@lists.linbit.com
Subject: [PATCH 06/13] drbd: Send PROTOCOL_UPDATE packets when appropriate
Date: Mon, 10 Oct 2011 13:54:59 +0200 [thread overview]
Message-ID: <1318247706-7732-7-git-send-email-philipp.reisner@linbit.com> (raw)
In-Reply-To: <1318247706-7732-1-git-send-email-philipp.reisner@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
drivers/block/drbd/drbd_int.h | 2 +-
drivers/block/drbd/drbd_main.c | 6 +++---
drivers/block/drbd/drbd_nl.c | 11 ++---------
3 files changed, 6 insertions(+), 13 deletions(-)
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 75b26d8..c301973 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1051,7 +1051,7 @@ extern int drbd_send(struct drbd_tconn *tconn, struct socket *sock,
extern int drbd_send_all(struct drbd_tconn *, struct socket *, void *, size_t,
unsigned);
-extern int __drbd_send_protocol(struct drbd_tconn *tconn);
+extern int __drbd_send_protocol(struct drbd_tconn *tconn, enum drbd_packet cmd);
extern int drbd_send_protocol(struct drbd_tconn *tconn);
extern int drbd_send_uuids(struct drbd_conf *mdev);
extern int drbd_send_uuids_skip_initial_sync(struct drbd_conf *mdev);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index eecb0fb..73951cc 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -911,7 +911,7 @@ int drbd_send_sync_param(struct drbd_conf *mdev)
return drbd_send_command(mdev, sock, cmd, size, NULL, 0);
}
-int __drbd_send_protocol(struct drbd_tconn *tconn)
+int __drbd_send_protocol(struct drbd_tconn *tconn, enum drbd_packet cmd)
{
struct drbd_socket *sock;
struct p_protocol *p;
@@ -953,7 +953,7 @@ int __drbd_send_protocol(struct drbd_tconn *tconn)
strcpy(p->integrity_alg, nc->integrity_alg);
rcu_read_unlock();
- return __conn_send_command(tconn, sock, P_PROTOCOL, size, NULL, 0);
+ return __conn_send_command(tconn, sock, cmd, size, NULL, 0);
}
int drbd_send_protocol(struct drbd_tconn *tconn)
@@ -961,7 +961,7 @@ int drbd_send_protocol(struct drbd_tconn *tconn)
int err;
mutex_lock(&tconn->data.mutex);
- err = __drbd_send_protocol(tconn);
+ err = __drbd_send_protocol(tconn, P_PROTOCOL);
mutex_unlock(&tconn->data.mutex);
return err;
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 87fd3bf..fc0ea77 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1910,7 +1910,6 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
int ovr; /* online verify running */
int rsr; /* re-sync running */
struct crypto crypto = { };
- bool change_integrity_alg;
retcode = drbd_adm_prepare(skb, info, DRBD_ADM_NEED_CONN);
if (!adm_ctx.reply_skb)
@@ -1981,9 +1980,6 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
goto fail;
}
- change_integrity_alg = strcmp(old_conf->integrity_alg,
- new_conf->integrity_alg);
-
retcode = alloc_crypto(&crypto, new_conf);
if (retcode != NO_ERROR)
goto fail;
@@ -2007,13 +2003,10 @@ int drbd_adm_net_opts(struct sk_buff *skb, struct genl_info *info)
tconn->int_dig_vv = crypto.int_dig_vv;
crypto_free_hash(tconn->integrity_tfm);
tconn->integrity_tfm = crypto.integrity_tfm;
- if (change_integrity_alg) {
+ if (tconn->cstate >= C_WF_REPORT_PARAMS && tconn->agreed_pro_version >= 100)
/* Do this without trying to take tconn->data.mutex again. */
- if (__drbd_send_protocol(tconn))
- goto fail;
- }
+ __drbd_send_protocol(tconn, P_PROTOCOL_UPDATE);
- /* FIXME Changing cram_hmac while the connection is established is useless */
crypto_free_hash(tconn->cram_hmac_tfm);
tconn->cram_hmac_tfm = crypto.cram_hmac_tfm;
--
1.7.4.1
next prev parent reply other threads:[~2011-10-10 11:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-10 11:54 [RFC 00/13] drbd: part 17 of adding multiple volume support to drbd Philipp Reisner
2011-10-10 11:54 ` [PATCH 01/13] drbd: Refuse to change network options online when Philipp Reisner
2011-10-10 11:54 ` [PATCH 02/13] drbd: protect updates to integrits_tfm by tconn->data->mutex Philipp Reisner
2011-10-10 11:54 ` [PATCH 03/13] drbd: Made cmp_after_sb() more generic into convert_after_sb() Philipp Reisner
2011-10-10 11:54 ` [PATCH 04/13] drbd: Allocation of int_dig_in and int_dig_vv was missing Philipp Reisner
2011-10-10 11:54 ` [PATCH 05/13] drbd: Receiving part for the PROTOCOL_UPDATE packet Philipp Reisner
2011-10-10 11:54 ` Philipp Reisner [this message]
2011-10-10 11:55 ` [PATCH 07/13] drbd: Use more generic constant names Philipp Reisner
2011-10-10 11:55 ` [PATCH 08/13] drbd: Output signed / unsigned netlink fields correctly Philipp Reisner
2011-10-10 11:55 ` [PATCH 09/13] drbd: Remove unused GENLA_F_MAY_IGNORE flag Philipp Reisner
2011-10-10 11:55 ` [PATCH 10/13] drbd: Make drbd's use of netlink attribute flags less confusing Philipp Reisner
2011-10-10 11:55 ` [PATCH 11/13] drbd: drbd_nla_check_mandatory(): Need to remove the DRBD_GENLA_F_MANDATORY flag first Philipp Reisner
2011-10-10 11:55 ` [PATCH 12/13] drbd: drbd_adm_prepare(): Pass through error codes Philipp Reisner
2011-10-10 11:55 ` [PATCH 13/13] drbd: Don't use empty nested netlink attributes Philipp Reisner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1318247706-7732-7-git-send-email-philipp.reisner@linbit.com \
--to=philipp.reisner@linbit.com \
--cc=axboe@kernel.dk \
--cc=drbd-dev@lists.linbit.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome