io_u: ensure io_u_quiesce() to process all the IOs

Currently, when IO have an error io_u_quiesce() stops processing
in-flight IOs there and leaves other IOs non-completed. This is not a
desired behavior for io_u_quiesce(). Fix it by continuing even on
error.

Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_u.c b/io_u.c
index bcb893c5abad0ddc19c750dc7f802b7029252483..5d62a76cb5a72c81ffd0cfee35ace6bf3ee162e6 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -606,7 +606,7 @@ static inline enum fio_ddir get_rand_ddir(struct thread_data *td)
 
 int io_u_quiesce(struct thread_data *td)
 {
-       int ret = 0, completed = 0;
+       int ret = 0, completed = 0, err = 0;
 
        /*
         * We are going to sleep, ensure that we flush anything pending as
@@ -625,7 +625,7 @@ int io_u_quiesce(struct thread_data *td)
                if (ret > 0)
                        completed += ret;
                else if (ret < 0)
-                       break;
+                       err = ret;
        }
 
        if (td->flags & TD_F_REGROW_LOGS)
@@ -634,7 +634,7 @@ int io_u_quiesce(struct thread_data *td)
        if (completed)
                return completed;
 
-       return ret;
+       return err;
 }
 
 static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir)