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authorSunil Mushran <sunil.mushran@oracle.com>2009-02-03 23:37:16 +0300
committerMark Fasheh <mfasheh@suse.com>2009-02-26 22:51:11 +0300
commit53ecd25e148615e0ed2a72635cc76f4773f97f90 (patch)
treead4f26d160889792c72199678634b4132c5ce1d7 /fs/ocfs2/dlm
parentdabc47de7a23f57522dc762d9d2ad875700d3497 (diff)
downloadlinux-53ecd25e148615e0ed2a72635cc76f4773f97f90.tar.xz
ocfs2/dlm: Make dlm_assert_master_handler() kill itself instead of the asserter
In dlm_assert_master_handler(), if we get an incorrect assert master from a node that, we reply with EINVAL asking the asserter to die. The problem is that an assert is sent after so many hoops, it is invariably the node that thinks the asserter is wrong, is actually wrong. So instead of killing the asserter, this patch kills the assertee. This patch papers over a race that is still being addressed. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/dlm')
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 54e182a27caf..0a2813947853 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1849,12 +1849,12 @@ int dlm_assert_master_handler(struct o2net_msg *msg, u32 len, void *data,
if (!mle) {
if (res->owner != DLM_LOCK_RES_OWNER_UNKNOWN &&
res->owner != assert->node_idx) {
- mlog(ML_ERROR, "assert_master from "
- "%u, but current owner is "
- "%u! (%.*s)\n",
- assert->node_idx, res->owner,
- namelen, name);
- goto kill;
+ mlog(ML_ERROR, "DIE! Mastery assert from %u, "
+ "but current owner is %u! (%.*s)\n",
+ assert->node_idx, res->owner, namelen,
+ name);
+ __dlm_print_one_lock_resource(res);
+ BUG();
}
} else if (mle->type != DLM_MLE_MIGRATION) {
if (res->owner != DLM_LOCK_RES_OWNER_UNKNOWN) {