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| author | Christoph Hellwig <hch@lst.de> | 2026-06-11 16:06:47 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-06-12 10:40:35 -0600 |
| commit | e8dcf2d142bd720c8334233ad6cfdf00f0e76b7f (patch) | |
| tree | fefe7d557847f9db46119ac89b8c14483f2d645b /block/blk-sysfs.c | |
| parent | d39a63ead381c7ee93cd938ea2d759c17343b522 (diff) | |
| download | linux-e8dcf2d142bd720c8334233ad6cfdf00f0e76b7f.tar.gz linux-e8dcf2d142bd720c8334233ad6cfdf00f0e76b7f.zip | |
block: add configurable error injection
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>
Diffstat (limited to 'block/blk-sysfs.c')
| -rw-r--r-- | block/blk-sysfs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index f22c1f253eb3..520972676ab4 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -19,6 +19,7 @@ #include "blk-wbt.h" #include "blk-cgroup.h" #include "blk-throttle.h" +#include "error-injection.h" struct queue_sysfs_entry { struct attribute attr; @@ -933,6 +934,8 @@ static void blk_debugfs_remove(struct gendisk *disk) blk_debugfs_lock_nomemsave(q); blk_trace_shutdown(q); + if (IS_ENABLED(CONFIG_BLK_ERROR_INJECTION)) + blk_error_injection_exit(disk); debugfs_remove_recursive(q->debugfs_dir); q->debugfs_dir = NULL; q->sched_debugfs_dir = NULL; @@ -963,6 +966,8 @@ int blk_register_queue(struct gendisk *disk) memflags = blk_debugfs_lock(q); q->debugfs_dir = debugfs_create_dir(disk->disk_name, blk_debugfs_root); + if (IS_ENABLED(CONFIG_BLK_ERROR_INJECTION)) + blk_error_injection_init(disk); if (queue_is_mq(q)) blk_mq_debugfs_register(q); blk_debugfs_unlock(q, memflags); |