[DLM] PATCH 2/3 dlm: lowcomms close
When a node is removed from a lockspace configuration, close our connection to it, clearing any remaining messages for it. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Patrick Caulfield <pcaulfie@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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@ -17,6 +17,7 @@
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#include <net/sock.h>
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#include "config.h"
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#include "lowcomms.h"
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/*
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* /config/dlm/<cluster>/spaces/<space>/nodes/<node>/nodeid
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@ -429,6 +430,7 @@ static void drop_comm(struct config_group *g, struct config_item *i)
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struct comm *cm = to_comm(i);
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if (local_comm == cm)
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local_comm = NULL;
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dlm_lowcomms_close(cm->nodeid);
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while (cm->addr_count--)
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kfree(cm->addr[cm->addr_count]);
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config_item_put(i);
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@ -1063,6 +1063,27 @@ static void dealloc_nodeinfo(void)
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}
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}
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int dlm_lowcomms_close(int nodeid)
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{
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struct nodeinfo *ni;
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ni = nodeid2nodeinfo(nodeid, 0);
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if (!ni)
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return -1;
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spin_lock(&ni->lock);
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if (ni->assoc_id) {
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ni->assoc_id = 0;
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/* Don't send shutdown here, sctp will just queue it
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till the node comes back up! */
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}
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spin_unlock(&ni->lock);
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clean_one_writequeue(ni);
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clear_bit(NI_INIT_PENDING, &ni->flags);
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return 0;
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}
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static int write_list_empty(void)
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{
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int status;
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@ -18,6 +18,7 @@ int dlm_lowcomms_init(void);
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void dlm_lowcomms_exit(void);
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int dlm_lowcomms_start(void);
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void dlm_lowcomms_stop(void);
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int dlm_lowcomms_close(int nodeid);
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void *dlm_lowcomms_get_buffer(int nodeid, int len, int allocation, char **ppc);
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void dlm_lowcomms_commit_buffer(void *mh);
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@ -15,7 +15,6 @@
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#include "member.h"
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#include "recoverd.h"
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#include "recover.h"
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#include "lowcomms.h"
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#include "rcom.h"
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#include "config.h"
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