s390/block/dasd.c

128 	spin_lock_init(&device->profile.lock);
165 	spin_lock_init(&block->profile.lock);
237 		dasd_profile_init(&block->profile, block->debugfs_dentry);
239 			dasd_profile_on(&device->block->profile);
244 	dasd_profile_init(&device->profile, device->debugfs_dentry);
273 		dasd_profile_exit(&device->block->profile);
282 	dasd_profile_exit(&device->profile);
664 	if (dasd_global_profile_level || block->profile.data)
677 	spin_lock(&block->profile.lock);
678 	if (block->profile.data) {
679 		block->profile.data->dasd_io_nr_req[counter]++;
681 			block->profile.data->dasd_read_nr_req[counter]++;
683 	spin_unlock(&block->profile.lock);
691 	if (!device->profile.data)
701 	spin_lock(&device->profile.lock);
702 	device->profile.data->dasd_io_nr_req[counter]++;
704 		device->profile.data->dasd_read_nr_req[counter]++;
705 	spin_unlock(&device->profile.lock);
731 	/* in case of an overflow, reset the whole profile */
779 	      block->profile.data ||
780 	      device->profile.data))
821 	spin_lock(&block->profile.lock);
822 	if (block->profile.data) {
823 		data = block->profile.data;
828 		dasd_profile_end_add_data(block->profile.data,
837 	spin_unlock(&block->profile.lock);
839 	spin_lock(&device->profile.lock);
840 	if (device->profile.data) {
841 		data = device->profile.data;
846 		dasd_profile_end_add_data(device->profile.data,
855 	spin_unlock(&device->profile.lock);
858 void dasd_profile_reset(struct dasd_profile *profile)
862 	spin_lock_bh(&profile->lock);
863 	data = profile->data;
865 		spin_unlock_bh(&profile->lock);
870 	spin_unlock_bh(&profile->lock);
873 int dasd_profile_on(struct dasd_profile *profile)
880 	spin_lock_bh(&profile->lock);
881 	if (profile->data) {
882 		spin_unlock_bh(&profile->lock);
887 	profile->data = data;
888 	spin_unlock_bh(&profile->lock);
892 void dasd_profile_off(struct dasd_profile *profile)
894 	spin_lock_bh(&profile->lock);
895 	kfree(profile->data);
896 	profile->data = NULL;
897 	spin_unlock_bh(&profile->lock);
1020 	struct dasd_profile *profile;
1023 	profile = m->private;
1024 	spin_lock_bh(&profile->lock);
1025 	data = profile->data;
1027 		spin_unlock_bh(&profile->lock);
1032 	spin_unlock_bh(&profile->lock);
1038 	struct dasd_profile *profile = inode->i_private;
1039 	return single_open(file, dasd_stats_show, profile);
1051 static void dasd_profile_init(struct dasd_profile *profile,
1059 	profile->dentry = NULL;
1060 	profile->data = NULL;
1063 				  profile, &dasd_stats_raw_fops);
1065 		profile->dentry = pde;
1069 static void dasd_profile_exit(struct dasd_profile *profile)
1071 	dasd_profile_off(profile);
1072 	debugfs_remove(profile->dentry);
1073 	profile->dentry = NULL;
1121 static void dasd_profile_init(struct dasd_profile *profile,
1127 static void dasd_profile_exit(struct dasd_profile *profile)
1132 int dasd_profile_on(struct dasd_profile *profile)