LOOKUP_BDEV(9) The Linux VFS LOOKUP_BDEV(9)NAMElookup_bdev - lookup a struct block_device by name
SYNOPSIS
struct block_device * lookup_bdev(const char * pathname);
ARGUMENTS
pathname
special file representing the block device
DESCRIPTION
Get a reference to the blockdevice at pathname in the current namespace
if possible and return it. Return ERR_PTR(error) otherwise.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 LOOKUP_BDEV(9)