biodone man page on DigitalUNIX

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biodone(9r)							   biodone(9r)

NAME
       biodone - General: Indicates that block I/O is complete

SYNOPSIS
       void biodone(
	       struct buf *bp );

ARGUMENTS
       Specifies a pointer to a buf structure.	This structure contains infor‐
       mation such as the binary status flags, the major/minor device numbers,
       and  the address of the associated buffer. This buffer is always a spe‐
       cial buffer header owned exclusively by the  device  for	 handling  I/O
       requests.

DESCRIPTION
       The  biodone  routine  is called after an I/O operation to mark the buf
       structure as completed. It sets the b_flags member to B_SWAP, B_UBC, or
       B_ASYNC to indicate the type of I/O operation that has completed. Other
       members may be set as well, depending on the type of I/O operation.

CAUTIONS
       The routine panics if the buf structure is NULL.

RETURN VALUES
       None

SEE ALSO
       Routines: iodone(9r)

       Data Structures: buf(9s)

								   biodone(9r)
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