def interpret(self) -> None:
"""Interprets a direct i/o bio to populate its attributes"""
# pylint: disable=attribute-defined-outside-init
self.dio = self.bio['bi_private'].cast(self._types.dio_p_type)
self.fstype = super_fstype(self.dio['inode']['i_sb'])
self.dev = block_device_name(self.dio['inode']['i_sb']['s_bdev'])
self.offset = self.dio['block_in_file'] << self.dio['blkbits']
def test_inode_on_bdev_fs_inode(self):
bdev_sb = self.get_blockdev_superblock()
inode = self.get_filesystem_inode()
self.assertTrue(type(inode) is gdb.Value)
self.assertTrue(inode.type == self.inode_type)
bdev = storage.inode_on_bdev(inode)
self.assertTrue(type(bdev) is gdb.Value)
self.assertTrue(bdev.type == self.block_device_type)
self.assertFalse(inode['i_sb'] == bdev_sb)
self.assertFalse(fs.super_fstype(inode['i_sb']) == "bdev")
def mount_fstype(mnt: gdb.Value) -> str:
"""
Returns the file system type of the mount
Args:
mnt: The :ref:`mount structure <mount_structure>` for which to
return the file system type
Returns:
:obj:`str`: The file system type of the mount in string form
"""
return super_fstype(mount_super(mnt))
def list_btrfs(self, args: argparse.Namespace) -> None:
print_header = True
count = 0
for sb in for_each_super_block():
if super_fstype(sb) == "btrfs":
if args.m:
u = btrfs_metadata_uuid(sb)
which_fsid = "METADATA UUID"
else:
u = btrfs_fsid(sb)
which_fsid = "FSID"
if print_header:
print("SUPER BLOCK\t\tDEVICE\t\t{}".format(which_fsid))
print_header = False
print("{}\t{}\t\t{}".format(sb.address, sb['s_id'].string(),
u))
count += 1
if count == 0:
print("No btrfs file systems were mounted.")
def mount_fstype(cls, mnt):
return super_fstype(cls.mount_super(mnt))
def get_filesystem_inode(self):
for sb in fs.for_each_super_block():
if fs.super_fstype(sb) != "bdev":
return sb['s_root']['d_inode'].dereference()
raise RuntimeError("No file system supers?")
def interpret(self) -> None:
"""Interpret the multipage bio to populate its attributes"""
# pylint: disable=attribute-defined-outside-init
self.inode = self.bio['bi_io_vec'][0]['bv_page']['mapping']['host']
self.fstype = super_fstype(self.inode['i_sb'])
def mount_fstype(cls, mnt):
return super_fstype(cls.mount_super(mnt))
