table of contents
| __GET_REQUEST(9) | Block Devices | __GET_REQUEST(9) |
NAME¶
__get_request - get a free request
SYNOPSIS¶
struct request * __get_request(struct request_list * rl, int rw_flags, struct bio * bio, unsigned int flags);
ARGUMENTS¶
rl
request list to allocate from
rw_flags
RW and SYNC flags
bio
bio to allocate request for (can be NULL)
flags
-- undescribed --
DESCRIPTION¶
Get a free request from q. This function may fail under memory pressure or if q is dead.
Must be called with q->queue_lock held and, Returns ERR_PTR on failure, with q->queue_lock held. Returns request pointer on success, with q->queue_lock *not held*.
COPYRIGHT¶
| June 2023 | Kernel Hackers Manual 3.10 |