Module Name: src
Committed By: hannken
Date: Thu Dec 21 15:50:33 UTC 2017
Modified Files:
src/sys/dev: fss.c
Log Message:
Treat partial read from backing store as I/O error.
To generate a diff of this commit:
cvs rdiff -u -r1.100 -r1.101 src/sys/dev/fss.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/fss.c
diff -u src/sys/dev/fss.c:1.100 src/sys/dev/fss.c:1.101
--- src/sys/dev/fss.c:1.100 Sun Dec 17 22:09:47 2017
+++ src/sys/dev/fss.c Thu Dec 21 15:50:33 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: fss.c,v 1.100 2017/12/17 22:09:47 pgoyette Exp $ */
+/* $NetBSD: fss.c,v 1.101 2017/12/21 15:50:33 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fss.c,v 1.100 2017/12/17 22:09:47 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fss.c,v 1.101 2017/12/21 15:50:33 hannken Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -980,6 +980,8 @@ restart:
todo -= len;
}
error = biowait(mbp);
+ if (error == 0 && mbp->b_resid != 0)
+ error = EIO;
putiobuf(mbp);
mutex_enter(&sc->sc_slock);
@@ -1204,6 +1206,8 @@ fss_bs_thread(void *arg)
bdev_strategy(nbp);
error = biowait(nbp);
+ if (error == 0 && nbp->b_resid != 0)
+ error = EIO;
if (error != 0) {
bp->b_resid = bp->b_bcount;
bp->b_error = nbp->b_error;
