do_open          1548 arch/x86/kernel/apm_32.c static int do_open(struct inode *inode, struct file *filp)
do_open           989 fs/block_dev.c static int do_open(struct block_device *bdev, struct file *file, int for_part)
do_open            23 fs/nfsctl.c    static struct file *do_open(char *name, int flags)
do_open           630 ipc/mqueue.c   static struct file *do_open(struct dentry *dentry, int oflag)