diff options
| author | Wenchao Hao <haowenchao2@huawei.com> | 2023-10-10 17:20:42 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-10-16 20:50:10 -0400 |
| commit | 6e2d15f59b1cc6ed613b94e0969335a7868f04ca (patch) | |
| tree | cec90f25639d6a390d813d658a3496a60e779ee2 /drivers/scsi | |
| parent | 0bb80ecc33a8fb5a682236443c1e740d5c917d1d (diff) | |
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: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Wenchao Hao <haowenchao2@huawei.com>
Link: https://lore.kernel.org/r/20231010092051.608007-2-haowenchao2@huawei.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 9c0af50501f9..562a48f53cda 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -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); |