Name
lookup_bdev —
lookup a struct block_device by name
Synopsis
struct block_device * lookup_bdev ( | const char * pathname, |
| int mask) ; |
Arguments
pathname
special file representing the block device
mask
rights to check for (MAY_READ
, MAY_WRITE
, MAY_EXEC
)
Description
Get a reference to the blockdevice at pathname
in the current
namespace if possible and return it. Return ERR_PTR(error)
otherwise. If mask
is non-zero, check for access rights to the
inode at pathname
.