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| REGISTER_BLKDEV(9) | Block Devices | REGISTER_BLKDEV(9) |
NAME¶
register_blkdev - register a new block deviceSYNOPSIS¶
int register_blkdev(unsigned int major, const char * name);
ARGUMENTS¶
unsigned int majorthe requested major device number [1..255]. If
major=0, try to allocate any unused major number.
const char * 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¶
| July 2017 | Kernel Hackers Manual 4.11 |