source:
branches/fc15-dev/server/common/patches/openafs-linux-3.1-zalloc.patch
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2610
Last change on this file since 2610 was 2062, checked in by geofft, 13 years ago | |
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src/afs/LINUX/osi_vfsops.c
From e7669883d5124f85bad6840a4e8280e4de32f7a5 Mon Sep 17 00:00:00 2001 From: Marc Dionne <marc.c.dionne@gmail.com> Date: Mon, 21 Nov 2011 21:27:06 -0500 Subject: [PATCH] Linux: make sure backing_dev_info is zeroed The afs backing_dev_info structure is allocated dynamically without zeroing out the contents. In particular there's no guarantee that congested_fn is NULL, causing spurious oopses when bdi_congested in the kernel tries to call it. (adapted from commit 8e97cf6f215d5575c63d86eaec59031399f4beda) Change-Id: I83755b6bb5ec2fada7e077c00d3d8edf8af1cae4 --- src/afs/LINUX/osi_vfsops.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/src/afs/LINUX/osi_vfsops.c b/src/afs/LINUX/osi_vfsops.c index d32720f..0d41bc7 100644
a b afs_fill_super(struct super_block *sb, void *data, int silent) 114 114 115 115 /* used for inodes backing_dev_info field, also */ 116 116 afs_backing_dev_info = osi_Alloc(sizeof(struct backing_dev_info)); 117 memset(afs_backing_dev_info, 0, sizeof(struct backing_dev_info)); 117 118 #if defined(HAVE_LINUX_BDI_INIT) 118 119 bdi_init(afs_backing_dev_info); 119 120 #endif
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