| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _BLK_ERROR_INJECTION_H |
| #define _BLK_ERROR_INJECTION_H 1 |
| |
| #include <linux/jump_label.h> |
| |
| DECLARE_STATIC_KEY_FALSE(blk_error_injection_enabled); |
| |
| void blk_error_injection_init(struct gendisk *disk); |
| void blk_error_injection_exit(struct gendisk *disk); |
| bool __blk_error_inject(struct bio *bio); |
| static inline bool blk_error_inject(struct bio *bio) |
| { |
| if (IS_ENABLED(CONFIG_BLK_ERROR_INJECTION) && |
| static_branch_unlikely(&blk_error_injection_enabled) && |
| test_bit(GD_ERROR_INJECT, &bio->bi_bdev->bd_disk->state)) |
| return __blk_error_inject(bio); |
| return false; |
| } |
| |
| #endif /* _BLK_ERROR_INJECTION_H */ |
