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md-cluster: remove the unused sb_lock
The sb_lock is not used anywhere, so let's remove it. Reviewed-by: Goldwyn Rodrigues <rgoldwyn@suse.com> Signed-off-by: Guoqing Jiang <gqjiang@suse.com> Signed-off-by: NeilBrown <neilb@suse.com>
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9e3072e373
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1 changed files with 0 additions and 9 deletions
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@ -52,7 +52,6 @@ struct md_cluster_info {
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dlm_lockspace_t *lockspace;
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int slot_number;
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struct completion completion;
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struct dlm_lock_resource *sb_lock;
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struct mutex sb_mutex;
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struct dlm_lock_resource *bitmap_lockres;
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struct list_head suspend_list;
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@ -692,12 +691,6 @@ static int join(struct mddev *mddev, int nodes)
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ret = -ERANGE;
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goto err;
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}
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cinfo->sb_lock = lockres_init(mddev, "cmd-super",
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NULL, 0);
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if (!cinfo->sb_lock) {
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ret = -ENOMEM;
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goto err;
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}
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/* Initiate the communication resources */
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ret = -ENOMEM;
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cinfo->recv_thread = md_register_thread(recv_daemon, mddev, "cluster_recv");
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@ -749,7 +742,6 @@ static int join(struct mddev *mddev, int nodes)
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lockres_free(cinfo->ack_lockres);
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lockres_free(cinfo->no_new_dev_lockres);
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lockres_free(cinfo->bitmap_lockres);
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lockres_free(cinfo->sb_lock);
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if (cinfo->lockspace)
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dlm_release_lockspace(cinfo->lockspace, 2);
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mddev->cluster_info = NULL;
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@ -770,7 +762,6 @@ static int leave(struct mddev *mddev)
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lockres_free(cinfo->token_lockres);
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lockres_free(cinfo->ack_lockres);
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lockres_free(cinfo->no_new_dev_lockres);
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lockres_free(cinfo->sb_lock);
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lockres_free(cinfo->bitmap_lockres);
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dlm_release_lockspace(cinfo->lockspace, 2);
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return 0;
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