scsi_end_request() is called multiple times from scsi_io_completion()
which branches on its bool returned value. Add comment before the static
definition of scsi_end_request() about the meaning of that return.
Signed-off-by: Douglas Gilbert <dgilb...@interlog.com>
Reviewed-by: Johannes Thumshirn <jthumsh...@suse.de>
Reviewed-by: Bart Van Assche <bart.vanass...@wdc.com>
---
The reader might think that if scsi_end_request() had actually ended the
request (i.e. no bytes remaining) it would return true. If so, the reader
would be misled.
drivers/scsi/scsi_lib.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 393f9db8f41b..d44ee84df091 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -662,6 +662,7 @@ static void scsi_release_bidi_buffers(struct scsi_cmnd *cmd)
cmd->request->next_rq->special = NULL;
}
+/* Returns false when no more bytes to process, true if there are more */
static bool scsi_end_request(struct request *req, blk_status_t error,
unsigned int bytes, unsigned int bidi_bytes)
{
--
2.14.1
