diff options
Diffstat (limited to 'drivers/s390/block/dasd_proc.c')
| -rw-r--r-- | drivers/s390/block/dasd_proc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index 78ac905a5b7f..76410084c48f 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -219,7 +219,8 @@ static int dasd_stats_proc_show(struct seq_file *m, void *v) "/proc/dasd/statistics'\n"); return 0; } - prof = &dasd_global_profile_data; + spin_lock_bh(&dasd_global_profile.lock); + prof = dasd_global_profile.data; /* prevent counter 'overflow' on output */ for (factor = 1; (prof->dasd_io_reqs / factor) > 9999999; @@ -255,6 +256,7 @@ static int dasd_stats_proc_show(struct seq_file *m, void *v) dasd_statistics_array(m, prof->dasd_io_time3, factor); seq_printf(m, "# of req in chanq at enqueuing (1..32) \n"); dasd_statistics_array(m, prof->dasd_io_nr_req, factor); + spin_unlock_bh(&dasd_global_profile.lock); #else seq_printf(m, "Statistics are not activated in this kernel\n"); #endif |