NAME¶
VOP_STRATEGY
—
read or write a file system buffer
SYNOPSIS¶
#include
<sys/param.h>
#include
<sys/vnode.h>
int
VOP_STRATEGY
(
struct
vnode *vp,
struct buf *bp);
DESCRIPTION¶
The arguments are:
- vp
- The vnode that the buffer is for.
- bp
- The buffer to be read or written.
This call either reads or writes data from a file, depending on the value of
bp->b_io.bio_cmd.
The call may block.
RETURN VALUES¶
Always zero. Errors should be signalled by setting BIO_ERROR on b_ioflags field
in struct buf, and setting b_error to the appropriate errno value.
SEE ALSO¶
vnode(9)
AUTHORS¶
This manual page was written by
Doug
Rabson.