From: Yue Zhao Date: Wed, 3 May 2023 16:29:44 +0000 (+0800) Subject: lkdtm: replace ll_rw_block with submit_bh X-Git-Tag: v6.6.7~2450^2~72 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b290df06811852d4cc36f4b8a2a30c2063197a74;p=platform%2Fkernel%2Flinux-starfive.git lkdtm: replace ll_rw_block with submit_bh Function ll_rw_block was removed in commit 79f597842069 ("fs/buffer: remove ll_rw_block() helper"). There is no unified function to sumbit read or write buffer in block layer for now. Consider similar sematics, we can choose submit_bh() to replace ll_rw_block() as predefined crash point. In submit_bh(), it also takes read or write flag as the first argument and invoke submit_bio() to submit I/O request to block layer. Fixes: 79f597842069 ("fs/buffer: remove ll_rw_block() helper") Signed-off-by: Yue Zhao Acked-by: Kees Cook Link: https://lore.kernel.org/r/20230503162944.3969-1-findns94@gmail.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/Documentation/fault-injection/provoke-crashes.rst b/Documentation/fault-injection/provoke-crashes.rst index 3abe842..1f087e5 100644 --- a/Documentation/fault-injection/provoke-crashes.rst +++ b/Documentation/fault-injection/provoke-crashes.rst @@ -29,7 +29,7 @@ recur_count cpoint_name Where in the kernel to trigger the action. It can be one of INT_HARDWARE_ENTRY, INT_HW_IRQ_EN, INT_TASKLET_ENTRY, - FS_DEVRW, MEM_SWAPOUT, TIMERADD, SCSI_QUEUE_RQ, or DIRECT. + FS_SUBMIT_BH, MEM_SWAPOUT, TIMERADD, SCSI_QUEUE_RQ, or DIRECT. cpoint_type Indicates the action to be taken on hitting the crash point. diff --git a/drivers/misc/lkdtm/core.c b/drivers/misc/lkdtm/core.c index b4712ff..0772e4a 100644 --- a/drivers/misc/lkdtm/core.c +++ b/drivers/misc/lkdtm/core.c @@ -79,7 +79,7 @@ static struct crashpoint crashpoints[] = { CRASHPOINT("INT_HARDWARE_ENTRY", "do_IRQ"), CRASHPOINT("INT_HW_IRQ_EN", "handle_irq_event"), CRASHPOINT("INT_TASKLET_ENTRY", "tasklet_action"), - CRASHPOINT("FS_DEVRW", "ll_rw_block"), + CRASHPOINT("FS_SUBMIT_BH", "submit_bh"), CRASHPOINT("MEM_SWAPOUT", "shrink_inactive_list"), CRASHPOINT("TIMERADD", "hrtimer_start"), CRASHPOINT("SCSI_QUEUE_RQ", "scsi_queue_rq"),