Commit 6e2d15f5 authored by Wenchao Hao's avatar Wenchao Hao Committed by Martin K. Petersen
Browse files

scsi: scsi_debug: Create scsi_debug directory in the debugfs filesystem 



Create directory scsi_debug in the root of the debugfs filesystem.  Prepare
to add interface for manage error injection.

Acked-by: default avatarDouglas Gilbert <dgilbert@interlog.com>
Signed-off-by: default avatarWenchao Hao <haowenchao2@huawei.com>
Link: https://lore.kernel.org/r/20231010092051.608007-2-haowenchao2@huawei.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 0bb80ecc

drivers/scsi/scsi_debug.c

+8 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ 
#include <linux/random.h>

#include <linux/xarray.h>

#include <linux/prefetch.h>

#include <linux/debugfs.h>



#include <net/checksum.h>
@@ -862,6 +863,8 @@ static const int device_qfull_result = 


static const int condition_met_result = SAM_STAT_CONDITION_MET;



static struct dentry *sdebug_debugfs_root;





/* Only do the extra work involved in logical block provisioning if one or

 * more of the lbpu, lbpws or lbpws10 parameters are given and we are doing
@@ -7011,6 +7014,10 @@ static int __init scsi_debug_init(void) 
		goto driver_unreg;

	}



	sdebug_debugfs_root = debugfs_create_dir("scsi_debug", NULL);

	if (IS_ERR_OR_NULL(sdebug_debugfs_root))

		pr_info("%s: failed to create initial debugfs directory\n", __func__);



	for (k = 0; k < hosts_to_add; k++) {

		if (want_store && k == 0) {

			ret = sdebug_add_host_helper(idx);
@@ -7057,6 +7064,7 @@ static void __exit scsi_debug_exit(void) 


	sdebug_erase_all_stores(false);

	xa_destroy(per_store_ap);

	debugfs_remove(sdebug_debugfs_root);

}



device_initcall(scsi_debug_init);