1PART_VALID(9)                    Block Devices                   PART_VALID(9)
2
3
4

NAME

6       part_valid - see if check corresponds to a partition within disk
7

SYNOPSIS

9       bool part_valid(struct gendisk * disk, struct hd_struct * check);
10

ARGUMENTS

12       disk
13           gendisk of interest
14
15       check
16           hd_struct pointer to check against the partition table
17

DESCRIPTION

19       Check to see if it is safe to dereference check. We don´t always know
20       if req->part is filled in by the block layer. This routine is called to
21       avoid dereferencing a bogus pointer. See req_to_part.
22

CONTEXT

24       RCU read locked.
25

RETURNS

27       true on success, false on failure
28

30Kernel Hackers Manual 2.6.         June 2019                     PART_VALID(9)
Impressum