REGISTER_BLKDEV(9) Block Devices REGISTER_BLKDEV(9)
NAME
register_blkdev - register a new block device
SYNOPSIS
int register_blkdev(unsigned int major, const char * name);
ARGUMENTS
major
the requested major device number [1..255]. If major=0, try to allocate any unused major number.
name
the name of the new block device as a zero terminated string
DESCRIPTION
The name must be unique within the system.
The return value depends on the major input parameter. - if a major device number was requested in range [1..255] then the function returns
zero on success, or a negative error code - if any unused major number was requested with major=0 parameter then the return value is the
allocated major number in range [1..255] or a negative error code otherwise
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 REGISTER_BLKDEV(9)
