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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-05-07 11:29:25 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-05-07 11:29:25 +1000
commit1ed31d6db90d51010545921e59d369d2f92b7ac2 (patch)
tree358a0b346bc8135cd5e53700eb44308b1a7c8c5b /fs/super.c
parentceba1abcb00b0ef0b1efcd715285f6e05523edef (diff)
parent722154e4cacf015161efe60009ae9be23d492296 (diff)
Merge commit 'origin/master' into next
Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/super.c b/fs/super.c
index f35ac6022109..1527e6a0ee35 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -37,6 +37,7 @@
#include <linux/kobject.h>
#include <linux/mutex.h>
#include <linux/file.h>
+#include <linux/backing-dev.h>
#include <asm/uaccess.h>
#include "internal.h"
@@ -693,6 +694,7 @@ int set_anon_super(struct super_block *s, void *data)
return -EMFILE;
}
s->s_dev = MKDEV(0, dev & MINORMASK);
+ s->s_bdi = &noop_backing_dev_info;
return 0;
}
@@ -954,10 +956,11 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void
if (error < 0)
goto out_free_secdata;
BUG_ON(!mnt->mnt_sb);
+ WARN_ON(!mnt->mnt_sb->s_bdi);
- error = security_sb_kern_mount(mnt->mnt_sb, flags, secdata);
- if (error)
- goto out_sb;
+ error = security_sb_kern_mount(mnt->mnt_sb, flags, secdata);
+ if (error)
+ goto out_sb;
/*
* filesystems should never set s_maxbytes larger than MAX_LFS_FILESIZE