Add a 'continue_on_error' option to fio
Add option to make fio continue on non-fatal errors.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fio.h b/fio.h
index 21d49a6..477b19a 100644
--- a/fio.h
+++ b/fio.h
@@ -111,6 +111,13 @@
unsigned long long io_bytes[2];
unsigned long runtime[2];
unsigned long total_run_time;
+
+ /*
+ * IO Error related stats
+ */
+ unsigned continue_on_error;
+ unsigned long total_err_count;
+ int first_error;
};
struct bssplit {
@@ -241,6 +248,11 @@
*/
unsigned int cpuload;
unsigned int cpucycle;
+
+ /*
+ * I/O Error handling
+ */
+ unsigned int continue_on_error;
};
#define FIO_VERROR_SIZE 128
@@ -369,6 +381,12 @@
* For generating file sizes
*/
os_random_state_t file_size_state;
+
+ /*
+ * Error counts
+ */
+ unsigned int total_err_count;
+ int first_error;
};
/*
@@ -386,10 +404,13 @@
break; \
int e = (err); \
(td)->error = e; \
- snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
+ if (!(td)->first_error) \
+ snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
} while (0)
+#define td_clear_error(td) \
+ (td)->error = 0;
#define td_verror(td, err, func) \
__td_verror((td), (err), strerror((err)), (func))
#define td_vmsg(td, err, msg, func) \
@@ -425,6 +446,15 @@
#define MAX_JOBS (1024)
+#define td_non_fatal_error(e) ((e) == -EIO || (e) == EILSEQ)
+
+static inline void update_error_count(struct thread_data *td, int err)
+{
+ td->total_err_count++;
+ if (td->total_err_count == 1)
+ td->first_error = err;
+}
+
static inline int should_fsync(struct thread_data *td)
{
if (td->last_was_sync)