mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-06-21 15:43:21 +02:00
Christoph Hellwig
e8dcf2d142
Add a new block error injection interface that allows to inject specific status code for specific ranges. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@kernel.org> Reviewed-by: Md Haris Iqbal <haris.iqbal@linux.dev> Link: https://patch.msgid.link/20260611140703.2401204-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
22 lines
653 B
C
22 lines
653 B
C
/* 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 */
|