diff options
| -rw-r--r-- | block/blk-sysfs.c | 11 | ||||
| -rw-r--r-- | block/blk.h | 2 | ||||
| -rw-r--r-- | block/genhd.c | 3 | ||||
| -rw-r--r-- | block/partitions/core.c | 1 | ||||
| -rw-r--r-- | include/linux/blktrace_api.h | 10 | ||||
| -rw-r--r-- | kernel/trace/blktrace.c | 11 |
6 files changed, 6 insertions, 32 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 9b211e519de8..5f3f73115988 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -810,21 +810,14 @@ int blk_register_queue(struct gendisk *disk) struct device *dev = disk_to_dev(disk); struct request_queue *q = disk->queue; - ret = blk_trace_init_sysfs(dev); - if (ret) - return ret; - mutex_lock(&q->sysfs_dir_lock); ret = kobject_add(&q->kobj, kobject_get(&dev->kobj), "%s", "queue"); - if (ret < 0) { - blk_trace_remove_sysfs(dev); + if (ret < 0) goto unlock; - } ret = sysfs_create_group(&q->kobj, &queue_attr_group); if (ret) { - blk_trace_remove_sysfs(dev); kobject_del(&q->kobj); kobject_put(&dev->kobj); goto unlock; @@ -890,7 +883,6 @@ put_dev: mutex_unlock(&q->sysfs_lock); mutex_unlock(&q->sysfs_dir_lock); kobject_del(&q->kobj); - blk_trace_remove_sysfs(dev); kobject_put(&dev->kobj); return ret; @@ -931,7 +923,6 @@ void blk_unregister_queue(struct gendisk *disk) if (queue_is_mq(q)) blk_mq_unregister_dev(disk_to_dev(disk), q); blk_crypto_sysfs_unregister(q); - blk_trace_remove_sysfs(disk_to_dev(disk)); mutex_lock(&q->sysfs_lock); elv_unregister_queue(q); diff --git a/block/blk.h b/block/blk.h index 1a0d3e6a4a63..74d59435870c 100644 --- a/block/blk.h +++ b/block/blk.h @@ -452,6 +452,8 @@ extern struct device_attribute dev_attr_events; extern struct device_attribute dev_attr_events_async; extern struct device_attribute dev_attr_events_poll_msecs; +extern struct attribute_group blk_trace_attr_group; + long blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg); long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg); diff --git a/block/genhd.c b/block/genhd.c index bf9be06af2c8..b1fb7e058b9c 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1134,6 +1134,9 @@ static struct attribute_group disk_attr_group = { static const struct attribute_group *disk_attr_groups[] = { &disk_attr_group, +#ifdef CONFIG_BLK_DEV_IO_TRACE + &blk_trace_attr_group, +#endif NULL }; diff --git a/block/partitions/core.c b/block/partitions/core.c index 8a0ec929023b..7dc487f5b03c 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -9,7 +9,6 @@ #include <linux/slab.h> #include <linux/ctype.h> #include <linux/vmalloc.h> -#include <linux/blktrace_api.h> #include <linux/raid/detect.h> #include "check.h" diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 623e22492afa..f6f9b544365a 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -77,10 +77,6 @@ extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev, char __user *arg); extern int blk_trace_startstop(struct request_queue *q, int start); extern int blk_trace_remove(struct request_queue *q); -extern void blk_trace_remove_sysfs(struct device *dev); -extern int blk_trace_init_sysfs(struct device *dev); - -extern struct attribute_group blk_trace_attr_group; #else /* !CONFIG_BLK_DEV_IO_TRACE */ # define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY) @@ -91,13 +87,7 @@ extern struct attribute_group blk_trace_attr_group; # define blk_trace_remove(q) (-ENOTTY) # define blk_add_trace_msg(q, fmt, ...) do { } while (0) # define blk_add_cgroup_trace_msg(q, cg, fmt, ...) do { } while (0) -# define blk_trace_remove_sysfs(dev) do { } while (0) # define blk_trace_note_message_enabled(q) (false) -static inline int blk_trace_init_sysfs(struct device *dev) -{ - return 0; -} - #endif /* CONFIG_BLK_DEV_IO_TRACE */ #ifdef CONFIG_COMPAT diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index fe04c6f96ca5..c584effe5fe9 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1867,17 +1867,6 @@ out_unlock_bdev: out: return ret ? ret : count; } - -int blk_trace_init_sysfs(struct device *dev) -{ - return sysfs_create_group(&dev->kobj, &blk_trace_attr_group); -} - -void blk_trace_remove_sysfs(struct device *dev) -{ - sysfs_remove_group(&dev->kobj, &blk_trace_attr_group); -} - #endif /* CONFIG_BLK_DEV_IO_TRACE */ #ifdef CONFIG_EVENT_TRACING |