Function report |
Source Code:block\genhd.c |
Create Date:2022-07-28 17:17:58 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:register_disk
Proto:static void register_disk(struct device *parent, struct gendisk *disk, const struct attribute_group **groups)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct device * | parent | |
struct gendisk * | disk | |
const struct attribute_group ** | groups |
599 | ddev = disk_to_dev(disk) |
607 | dev_set_name(ddev, "%s", name of major driver ) |
610 | dev_set_uevent_suppress(ddev, 1) |
612 | If groups Then |
613 | WARN_ON( optional groups ) |
614 | optional groups = groups |
616 | If device_add(ddev) Then Return |
618 | If Not sysfs_deprecated Then |
619 | err = sysfs_create_link(block_depr, & kobj, kobject_name( & kobj)) |
621 | If err Then |
622 | device_del(ddev) |
623 | Return |
632 | pm_runtime_set_memalloc_noio(ddev, true) |
637 | If flags & GENHD_FL_HIDDEN Then |
638 | dev_set_uevent_suppress(ddev, 0) |
639 | Return |
643 | If Not disk_part_scan_enabled(disk) Then Go to exit |
647 | If Not get_capacity(disk) Then Go to exit |
654 | bd_invalidated = 1 |
655 | err = blkdev_get(bdev, le is open for reading , NULL) |
658 | blkdev_put(bdev, le is open for reading ) |
660 | exit : |
662 | dev_set_uevent_suppress(ddev, 0) |
671 | If dev Then |
Name | Describe |
---|---|
__device_add_disk | __device_add_disk - add disk information to kernel list*@parent: parent device for the disk*@disk: per-device partitioning information*@groups: Additional per-device sysfs groups*@register_queue: register the queue if set to true* This function registers |
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