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path: root/drivers/scsi/scsi_debugfs.c
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Diffstat (limited to 'drivers/scsi/scsi_debugfs.c')
-rw-r--r--drivers/scsi/scsi_debugfs.c56
1 files changed, 31 insertions, 25 deletions
diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c
index f795848b316c..eb52e39f37c9 100644
--- a/drivers/scsi/scsi_debugfs.c
+++ b/drivers/scsi/scsi_debugfs.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/bitops.h>
+#include <linux/cleanup.h>
#include <linux/seq_file.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_dbg.h>
@@ -32,38 +33,43 @@ static int scsi_flags_show(struct seq_file *m, const unsigned long flags,
return 0;
}
-void scsi_show_rq(struct seq_file *m, struct request *rq)
+static const char *scsi_cmd_list_info(struct scsi_cmnd *cmd)
{
- struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq), *cmd2;
struct Scsi_Host *shost = cmd->device->host;
+ struct scsi_cmnd *cmd2;
+
+ guard(spinlock_irq)(shost->host_lock);
+
+ list_for_each_entry(cmd2, &shost->eh_abort_list, eh_entry)
+ if (cmd == cmd2)
+ return "on eh_abort_list";
+
+ list_for_each_entry(cmd2, &shost->eh_cmd_q, eh_entry)
+ if (cmd == cmd2)
+ return "on eh_cmd_q";
+
+ return NULL;
+}
+
+void scsi_show_rq(struct seq_file *m, struct request *rq)
+{
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
int alloc_ms = jiffies_to_msecs(jiffies - cmd->jiffies_at_alloc);
int timeout_ms = jiffies_to_msecs(rq->timeout);
- const char *list_info = NULL;
char buf[80] = "(?)";
- spin_lock_irq(shost->host_lock);
- list_for_each_entry(cmd2, &shost->eh_abort_list, eh_entry) {
- if (cmd == cmd2) {
- list_info = "on eh_abort_list";
- goto unlock;
- }
- }
- list_for_each_entry(cmd2, &shost->eh_cmd_q, eh_entry) {
- if (cmd == cmd2) {
- list_info = "on eh_cmd_q";
- goto unlock;
- }
- }
-unlock:
- spin_unlock_irq(shost->host_lock);
+ if (cmd->flags & SCMD_INITIALIZED) {
+ const char *list_info = scsi_cmd_list_info(cmd);
- __scsi_format_command(buf, sizeof(buf), cmd->cmnd, cmd->cmd_len);
- seq_printf(m, ", .cmd=%s, .retries=%d, .allowed=%d, .result = %#x, %s%s.flags=",
- buf, cmd->retries, cmd->allowed, cmd->result,
- list_info ? : "", list_info ? ", " : "");
+ __scsi_format_command(buf, sizeof(buf), cmd->cmnd, cmd->cmd_len);
+ seq_printf(m, ", .cmd=%s, .retries=%d, .allowed=%d, .result = %#x%s%s",
+ buf, cmd->retries, cmd->allowed, cmd->result,
+ list_info ? ", " : "", list_info ? : "");
+ seq_printf(m, ", .timeout=%d.%03d, allocated %d.%03d s ago",
+ timeout_ms / 1000, timeout_ms % 1000,
+ alloc_ms / 1000, alloc_ms % 1000);
+ }
+ seq_printf(m, ", .flags=");
scsi_flags_show(m, cmd->flags, scsi_cmd_flags,
ARRAY_SIZE(scsi_cmd_flags));
- seq_printf(m, ", .timeout=%d.%03d, allocated %d.%03d s ago",
- timeout_ms / 1000, timeout_ms % 1000,
- alloc_ms / 1000, alloc_ms % 1000);
}