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authorIlya Dryomov <idryomov@gmail.com>2016-08-12 16:11:41 +0200
committerIlya Dryomov <idryomov@gmail.com>2016-08-24 23:49:16 +0200
commit99d1694310df3ffef66902f5bc1a23e95a724aa3 (patch)
treeb6b5aa340ac11b63d07c5022c69a1d1be4a0edea /net/ceph/osd_client.c
parent1643dfa4c2c827d6e2aa419df8c17b0f24090278 (diff)
downloadlinux-99d1694310df3ffef66902f5bc1a23e95a724aa3.tar.bz2
rbd: retry watch re-registration periodically
Revamp watch code to support retrying watch re-registration: - add rbd_dev->watch_state for more robust errcb handling - store watch cookie separately to avoid dereferencing watch_handle which is set to NULL on unwatch - move re-register code into a delayed work and retry re-registration every second, unless the client is blacklisted Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Mike Christie <mchristi@redhat.com> Tested-by: Mike Christie <mchristi@redhat.com>
Diffstat (limited to 'net/ceph/osd_client.c')
-rw-r--r--net/ceph/osd_client.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index fbc6b7090c65..d9bf7a1d0a58 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -4014,6 +4014,7 @@ EXPORT_SYMBOL(ceph_osdc_list_watchers);
*/
void ceph_osdc_flush_notifies(struct ceph_osd_client *osdc)
{
+ dout("%s osdc %p\n", __func__, osdc);
flush_workqueue(osdc->notify_wq);
}
EXPORT_SYMBOL(ceph_osdc_flush_notifies);