From 7f7bb97a0f9b8d1726f2fb7db3895068f2e128ea Mon Sep 17 00:00:00 2001
From: Alexander Motin <mav@FreeBSD.org>
Date: Thu, 17 Sep 2015 12:52:18 +0000
Subject: Report proper medium error code for VERIFY commands.

---
 sys/cam/ctl/ctl.c               |  4 +++-
 sys/cam/ctl/ctl_backend_block.c | 23 ++++++++++++-----------
 sys/cam/ctl/ctl_error.c         |  4 ++--
 sys/cam/ctl/ctl_error.h         |  2 +-
 4 files changed, 18 insertions(+), 15 deletions(-)

(limited to 'sys/cam')

diff --git a/sys/cam/ctl/ctl.c b/sys/cam/ctl/ctl.c
index 20877065ccc0..4e6fcb7ef778 100644
--- a/sys/cam/ctl/ctl.c
+++ b/sys/cam/ctl/ctl.c
@@ -12046,7 +12046,9 @@ ctl_inject_error(struct ctl_lun *lun, union ctl_io *io)
 			ctl_set_aborted(&io->scsiio);
 			break;
 		case CTL_LUN_INJ_MEDIUM_ERR:
-			ctl_set_medium_error(&io->scsiio);
+			ctl_set_medium_error(&io->scsiio,
+			    (io->io_hdr.flags & CTL_FLAG_DATA_MASK) !=
+			     CTL_FLAG_DATA_OUT);
 			break;
 		case CTL_LUN_INJ_UA:
 			/* 29h/00h  POWER ON, RESET, OR BUS DEVICE RESET
diff --git a/sys/cam/ctl/ctl_backend_block.c b/sys/cam/ctl/ctl_backend_block.c
index 975de2c9b5ae..9fe376e460e3 100644
--- a/sys/cam/ctl/ctl_backend_block.c
+++ b/sys/cam/ctl/ctl_backend_block.c
@@ -542,8 +542,10 @@ ctl_be_block_biodone(struct bio *bio)
 			ctl_set_internal_failure(&io->scsiio,
 						 /*sks_valid*/ 1,
 						 /*retry_count*/ 0xbad2);
-		} else
-			ctl_set_medium_error(&io->scsiio);
+		} else {
+			ctl_set_medium_error(&io->scsiio,
+			    beio->bio_cmd == BIO_READ);
+		}
 		ctl_complete_beio(beio);
 		return;
 	}
@@ -758,17 +760,14 @@ ctl_be_block_dispatch_file(struct ctl_be_block_lun *be_lun,
 	 * return the I/O to the user.
 	 */
 	if (error != 0) {
-		char path_str[32];
-
-		ctl_scsi_path_string(io, path_str, sizeof(path_str));
-		printf("%s%s command returned errno %d\n", path_str,
-		       (beio->bio_cmd == BIO_READ) ? "READ" : "WRITE", error);
 		if (error == ENOSPC || error == EDQUOT) {
 			ctl_set_space_alloc_fail(&io->scsiio);
 		} else if (error == EROFS || error == EACCES) {
 			ctl_set_hw_write_protected(&io->scsiio);
-		} else
-			ctl_set_medium_error(&io->scsiio);
+		} else {
+			ctl_set_medium_error(&io->scsiio,
+			    beio->bio_cmd == BIO_READ);
+		}
 		ctl_complete_beio(beio);
 		return;
 	}
@@ -934,8 +933,10 @@ ctl_be_block_dispatch_zvol(struct ctl_be_block_lun *be_lun,
 			ctl_set_space_alloc_fail(&io->scsiio);
 		} else if (error == EROFS || error == EACCES) {
 			ctl_set_hw_write_protected(&io->scsiio);
-		} else
-			ctl_set_medium_error(&io->scsiio);
+		} else {
+			ctl_set_medium_error(&io->scsiio,
+			    beio->bio_cmd == BIO_READ);
+		}
 		ctl_complete_beio(beio);
 		return;
 	}
diff --git a/sys/cam/ctl/ctl_error.c b/sys/cam/ctl/ctl_error.c
index 4eec276496d4..8e6fcdf194ba 100644
--- a/sys/cam/ctl/ctl_error.c
+++ b/sys/cam/ctl/ctl_error.c
@@ -686,9 +686,9 @@ ctl_set_internal_failure(struct ctl_scsiio *ctsio, int sks_valid,
 }
 
 void
-ctl_set_medium_error(struct ctl_scsiio *ctsio)
+ctl_set_medium_error(struct ctl_scsiio *ctsio, int read)
 {
-	if ((ctsio->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) {
+	if (read) {
 		/* "Unrecovered read error" */
 		ctl_set_sense(ctsio,
 			      /*current_error*/ 1,
diff --git a/sys/cam/ctl/ctl_error.h b/sys/cam/ctl/ctl_error.h
index 942def163acb..064f621b1b8e 100644
--- a/sys/cam/ctl/ctl_error.h
+++ b/sys/cam/ctl/ctl_error.h
@@ -73,7 +73,7 @@ void ctl_set_lun_standby(struct ctl_scsiio *ctsio);
 void ctl_set_lun_unavail(struct ctl_scsiio *ctsio);
 void ctl_set_internal_failure(struct ctl_scsiio *ctsio, int sks_valid,
 			      uint16_t retry_count);
-void ctl_set_medium_error(struct ctl_scsiio *ctsio);
+void ctl_set_medium_error(struct ctl_scsiio *ctsio, int read);
 void ctl_set_aborted(struct ctl_scsiio *ctsio);
 void ctl_set_lba_out_of_range(struct ctl_scsiio *ctsio);
 void ctl_set_lun_stopped(struct ctl_scsiio *ctsio);
-- 
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