__get_request man page on OpenSuSE

__get_request man page on OpenSuSE

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__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, gfp_t gfp_mask);

ARGUMENTS
       rl
	   request list to allocate from

       rw_flags
	   RW and SYNC flags

       bio
	   bio to allocate request for (can be NULL)

       gfp_mask
	   allocation mask

DESCRIPTION
       Get a free request from q. This function may fail under memory pressure
       or if q is dead.

       Must be callled with q->queue_lock held and, Returns NULL on failure,
       with q->queue_lock held. Returns !NULL on success, with q->queue_lock
       *not held*.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013		      __GET_REQUEST(9)

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