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    Subject[PATCH 08/15] sysfs: Make sysfs_mount static once again.

    Accessing the internal sysfs_mount is error prone in the context
    of multiple super blocks, and nothing needs it. Not even the
    sysfs crash debugging patch (although it did in an earlier version).

    Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
    ---
    fs/sysfs/mount.c | 2 +-
    fs/sysfs/sysfs.h | 1 -
    2 files changed, 1 insertions(+), 2 deletions(-)

    diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
    index c812cc4..99974f0 100644
    --- a/fs/sysfs/mount.c
    +++ b/fs/sysfs/mount.c
    @@ -22,7 +22,7 @@
    /* Random magic number */
    #define SYSFS_MAGIC 0x62656572

    -struct vfsmount *sysfs_mount;
    +static struct vfsmount *sysfs_mount;
    struct super_block * sysfs_sb = NULL;
    struct kmem_cache *sysfs_dir_cachep;

    diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
    index 5ee5d0a..33b3c73 100644
    --- a/fs/sysfs/sysfs.h
    +++ b/fs/sysfs/sysfs.h
    @@ -97,7 +97,6 @@ struct sysfs_super_info {
    extern struct sysfs_dirent sysfs_root;
    extern struct super_block *sysfs_sb;
    extern struct kmem_cache *sysfs_dir_cachep;
    -extern struct vfsmount *sysfs_mount;
    extern struct file_system_type sysfs_fs_type;

    void sysfs_grab_supers(void);
    --
    1.5.3.rc6.17.g1911


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