Rules listed through the error_injection debugfs file omit the block
operation they match. As a result, rules that differ only in operation
are indistinguishable even though op is mandatory when adding a rule.
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260715073341.95129-1-liu.yun@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Only decrement the static key when we had items and thus it was
incremented before.
Fixes: e8dcf2d142 ("block: add configurable error injection")
Reported-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260622160752.1552516-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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>