static int dev_get_sb(struct file_system_type *fs_type, int flags,
const char *dev_name, void *data, struct vfsmount *mnt)
{
#ifdef CONFIG_TMPFS
return get_sb_single(fs_type, flags, data, shmem_fill_super, mnt);
#else
return get_sb_single(fs_type, flags, data, ramfs_fill_super, mnt);
#endif
}
static int replay_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data, struct vfsmount *mnt) {
vfs_loc = mnt;
return get_sb_single(fs_type, flags, data, replayfs_fill_super, mnt);
}
static int proc_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data, struct vfsmount *mnt)
{
if (proc_mnt) {
/* Seed the root directory with a pid so it doesn't need
* to be special in base.c. I would do this earlier but
* the only task alive when /proc is mounted the first time
* is the init_task and it doesn't have any pids.
*/
struct proc_inode *ei;
ei = PROC_I(proc_mnt->mnt_sb->s_root->d_inode);
if (!ei->pid)
ei->pid = find_get_pid(1);
}
return get_sb_single(fs_type, flags, data, proc_fill_super, mnt);
}
static int capifs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data, struct vfsmount *mnt)
{
return get_sb_single(fs_type, flags, data, capifs_fill_super, mnt);
}
/**
* \<\<private\>\> Super block as assigned a nonexistent device and
* the super block is obtained via get_sb_single(). The kernel
* function get_sb_single() ensures that only 1 instance of the
* filesystem can be mounted at a time. Custom method to fill the
* super block is passed as parameter.
*
* @param *fst - points to the file system type, that is being mounted
* @param flags -
* @param *devname - device name, on which the file system resides (it has no meaning here)
* @param *data - pointer to private filesystem data - not used
*
* @return - pointer to the super block object that has been created
*/
static int tcmi_ctlfs_get_super(struct file_system_type *fst,
int flags, const char *devname, void *data, struct vfsmount *mnt)
{
return get_sb_single(fst, flags, data, tcmi_ctlfs_fill_super, mnt);
}
static struct super_block *debug_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name,
void *data)
{
return get_sb_single(fs_type, flags, data, debug_fill_super);
}