diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-06-28 20:18:45 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-06-28 20:32:42 +0300 |
| commit | cc5c516df028b221d94c65c47c5ae8d20f61b6f9 (patch) | |
| tree | 1114eeab9f60729e53f9af2766760c31267649ac /block | |
| parent | 8b9ab62662048a3274361c7e5f64037c2c133e2c (diff) | |
| download | linux-cc5c516df028b221d94c65c47c5ae8d20f61b6f9.tar.xz | |
block: simplify blktrace sysfs attribute creation
Add the trace attributes to the default gendisk attributes, just like
we already do for partitions.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220628171850.1313069-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -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 |
4 files changed, 6 insertions, 11 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" |