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| author |   Yan, Zheng <zyan@redhat.com> | 2019-07-25 20:16:39 +0800 |
|---|---|---|
| committer |   Ilya Dryomov <idryomov@gmail.com> | 2019-09-16 12:06:23 +0200 |
| commit | 120a75ea9f4ba02f852171e75d44f29139b9c83e (patch) | |
| tree | 6944f51971e6adea422725866c0e81e5249ebc18 /net | |
| parent | ceph: don't list vxattrs in listxattr() (diff) | |
| download | linux-dev-120a75ea9f4ba02f852171e75d44f29139b9c83e.tar.xz linux-dev-120a75ea9f4ba02f852171e75d44f29139b9c83e.zip | |
libceph: add function that reset client's entity addr
This function also re-open connections to OSD/MON, and re-send in-flight
OSD requests after re-opening connections to OSD.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ceph/ceph_common.c | 8 | ||||
| -rw-r--r-- | net/ceph/messenger.c | 6 | ||||
| -rw-r--r-- | net/ceph/mon_client.c | 7 | ||||
| -rw-r--r-- | net/ceph/osd_client.c | 18 |
4 files changed, 39 insertions, 0 deletions
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 4eeea4d5c3ef..b412a3ccc4fc 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -694,6 +694,14 @@ void ceph_destroy_client(struct ceph_client *client) } EXPORT_SYMBOL(ceph_destroy_client); +void ceph_reset_client_addr(struct ceph_client *client) +{ + ceph_messenger_reset_nonce(&client->msgr); + ceph_monc_reopen_session(&client->monc); + ceph_osdc_reopen_osds(&client->osdc); +} +EXPORT_SYMBOL(ceph_reset_client_addr); + /* * true if we have the mon map (and have thus joined the cluster) */ diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 962f521c863e..e4cb3db2ee77 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -3031,6 +3031,12 @@ static void con_fault(struct ceph_connection *con) } +void ceph_messenger_reset_nonce(struct ceph_messenger *msgr) +{ + u32 nonce = le32_to_cpu(msgr->inst.addr.nonce) + 1000000; + msgr->inst.addr.nonce = cpu_to_le32(nonce); + encode_my_addr(msgr); +} /* * initialize a new messenger instance diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 0520bf9825aa..7256c402ebaa 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -213,6 +213,13 @@ static void reopen_session(struct ceph_mon_client *monc) __open_session(monc); } +void ceph_monc_reopen_session(struct ceph_mon_client *monc) +{ + mutex_lock(&monc->mutex); + reopen_session(monc); + mutex_unlock(&monc->mutex); +} + static void un_backoff(struct ceph_mon_client *monc) { monc->hunt_mult /= 2; /* reduce by 50% */ diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 78ae6e8c953d..a252ba80dd82 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -5087,6 +5087,24 @@ out_put_req: EXPORT_SYMBOL(ceph_osdc_call); /* + * reset all osd connections + */ +void ceph_osdc_reopen_osds(struct ceph_osd_client *osdc) +{ + struct rb_node *n; + + down_write(&osdc->lock); + for (n = rb_first(&osdc->osds); n; ) { + struct ceph_osd *osd = rb_entry(n, struct ceph_osd, o_node); + + n = rb_next(n); + if (!reopen_osd(osd)) + kick_osd_requests(osd); + } + up_write(&osdc->lock); +} + +/* * init, shutdown */ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client) |