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| author | David Teigland <teigland@redhat.com> | 2006-04-28 10:50:41 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-04-28 10:50:41 -0400 |
| commit | 1c032c03117c014512195f2e33c3af999f132146 (patch) | |
| tree | 2032d1965331fb1882fdb306c678cf4497b35c10 | |
| parent | ae118962b9f8572b5ff00e85c053dbeede2314db (diff) | |
| download | kernel_samsung_smdk4412-1c032c03117c014512195f2e33c3af999f132146.zip kernel_samsung_smdk4412-1c032c03117c014512195f2e33c3af999f132146.tar.gz kernel_samsung_smdk4412-1c032c03117c014512195f2e33c3af999f132146.tar.bz2 | |
[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>
| -rw-r--r-- | fs/dlm/config.c | 2 | ||||
| -rw-r--r-- | fs/dlm/lowcomms.c | 21 | ||||
| -rw-r--r-- | fs/dlm/lowcomms.h | 1 | ||||
| -rw-r--r-- | fs/dlm/member.c | 1 |
4 files changed, 24 insertions, 1 deletions
diff --git a/fs/dlm/config.c b/fs/dlm/config.c index 87df9616..8855305 100644 --- a/fs/dlm/config.c +++ b/fs/dlm/config.c @@ -17,6 +17,7 @@ #include <net/sock.h> #include "config.h" +#include "lowcomms.h" /* * /config/dlm/<cluster>/spaces/<space>/nodes/<node>/nodeid @@ -429,6 +430,7 @@ static void drop_comm(struct config_group *g, struct config_item *i) struct comm *cm = to_comm(i); if (local_comm == cm) local_comm = NULL; + dlm_lowcomms_close(cm->nodeid); while (cm->addr_count--) kfree(cm->addr[cm->addr_count]); config_item_put(i); diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 09b0124..cdd168e 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -1063,6 +1063,27 @@ static void dealloc_nodeinfo(void) } } +int dlm_lowcomms_close(int nodeid) +{ + struct nodeinfo *ni; + + ni = nodeid2nodeinfo(nodeid, 0); + if (!ni) + return -1; + + spin_lock(&ni->lock); + if (ni->assoc_id) { + ni->assoc_id = 0; + /* Don't send shutdown here, sctp will just queue it + till the node comes back up! */ + } + spin_unlock(&ni->lock); + + clean_one_writequeue(ni); + clear_bit(NI_INIT_PENDING, &ni->flags); + return 0; +} + static int write_list_empty(void) { int status; diff --git a/fs/dlm/lowcomms.h b/fs/dlm/lowcomms.h index 3af8035..6c04bb0 100644 --- a/fs/dlm/lowcomms.h +++ b/fs/dlm/lowcomms.h @@ -18,6 +18,7 @@ int dlm_lowcomms_init(void); void dlm_lowcomms_exit(void); int dlm_lowcomms_start(void); void dlm_lowcomms_stop(void); +int dlm_lowcomms_close(int nodeid); void *dlm_lowcomms_get_buffer(int nodeid, int len, int allocation, char **ppc); void dlm_lowcomms_commit_buffer(void *mh); diff --git a/fs/dlm/member.c b/fs/dlm/member.c index 926cd0c..cd0c51e 100644 --- a/fs/dlm/member.c +++ b/fs/dlm/member.c @@ -15,7 +15,6 @@ #include "member.h" #include "recoverd.h" #include "recover.h" -#include "lowcomms.h" #include "rcom.h" #include "config.h" |