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BLK_ALLOC_DEVT(9) Block Devices BLK_ALLOC_DEVT(9)

NAME

blk_alloc_devt - allocate a dev_t for a partition

SYNOPSIS

int blk_alloc_devt(struct hd_struct * part, dev_t * devt);

ARGUMENTS

part
partition to allocate dev_t for

devt

out parameter for resulting dev_t

DESCRIPTION

Allocate a dev_t for block device.

RETURN

0 on success, allocated dev_t is returned in *devt. -errno on failure.

CONTEXT

Might sleep.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.