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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.

RETURN

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

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.