centos man page for blkdev_get_by_path

BLKDEV_GET_BY_PATH(9)						   The Linux VFS					     BLKDEV_GET_BY_PATH(9)

NAME
       blkdev_get_by_path - open a block device by name

SYNOPSIS
       struct block_device * blkdev_get_by_path(const char * path, fmode_t mode, void * holder);

ARGUMENTS
       path
	   path to the block device to open

       mode
	   FMODE_* mask

       holder
	   exclusive holder identifier

DESCRIPTION
       Open the blockdevice described by the device file at path.  mode and holder are identical to blkdev_get.

       On success, the returned block_device has reference count of one.

CONTEXT
       Might sleep.

RETURNS
       Pointer to block_device on success, ERR_PTR(-errno) on failure.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     BLKDEV_GET_BY_PATH(9)