diff options
Diffstat (limited to 'include/linux/blk_types.h')
| -rw-r--r-- | include/linux/blk_types.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index d9b69bbde5cc..866f74261b3b 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -8,6 +8,7 @@ #include <linux/types.h> #include <linux/bvec.h> +#include <linux/device.h> #include <linux/ktime.h> struct bio_set; @@ -20,21 +21,25 @@ typedef void (bio_end_io_t) (struct bio *); struct bio_crypt_ctx; struct block_device { + sector_t bd_start_sect; + struct disk_stats __percpu *bd_stats; + unsigned long bd_stamp; + bool bd_read_only; /* read-only policy */ dev_t bd_dev; int bd_openers; struct inode * bd_inode; /* will die */ struct super_block * bd_super; struct mutex bd_mutex; /* open/close mutex */ void * bd_claiming; + struct device bd_device; void * bd_holder; int bd_holders; bool bd_write_holder; #ifdef CONFIG_SYSFS struct list_head bd_holder_disks; #endif - struct block_device * bd_contains; + struct kobject *bd_holder_dir; u8 bd_partno; - struct hd_struct * bd_part; /* number of times partitions within this device have been opened. */ unsigned bd_part_count; @@ -46,8 +51,23 @@ struct block_device { int bd_fsfreeze_count; /* Mutex for freeze */ struct mutex bd_fsfreeze_mutex; + struct super_block *bd_fsfreeze_sb; + + struct partition_meta_info *bd_meta_info; +#ifdef CONFIG_FAIL_MAKE_REQUEST + bool bd_make_it_fail; +#endif } __randomize_layout; +#define bdev_whole(_bdev) \ + ((_bdev)->bd_disk->part0) + +#define dev_to_bdev(device) \ + container_of((device), struct block_device, bd_device) + +#define bdev_kobj(_bdev) \ + (&((_bdev)->bd_device.kobj)) + /* * Block error status values. See block/blk-core:blk_errors for the details. * Alpha cannot write a byte atomically, so we need to use 32-bit value. |