Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Treat partial read from backing store as I/O error.

Browse Source
This commit is contained in:
hannken 2017-12-21 15:50:33 +00:00
parent 11d5756319
commit 2449af78f2
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/dev/fss.c
View File

@ -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;