diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/aoe/aoecmd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 885d1409521..84c03d65dcc 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -757,11 +757,15 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector const int rw = bio_data_dir(bio); struct hd_struct *part; - part = disk_map_sector(disk, sector); + rcu_read_lock(); + + part = disk_map_sector_rcu(disk, sector); all_stat_inc(disk, part, ios[rw], sector); all_stat_add(disk, part, ticks[rw], duration, sector); all_stat_add(disk, part, sectors[rw], n_sect, sector); all_stat_add(disk, part, io_ticks, duration, sector); + + rcu_read_unlock(); } void |