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Man Pages
VOP_STRATEGY(9) FreeBSD Kernel Developer's Manual VOP_STRATEGY(9)

VOP_STRATEGY
read or write a file system buffer

#include <sys/param.h>
#include <sys/vnode.h>
int
VOP_STRATEGY(struct vnode *vp, struct buf *bp);

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.

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.

buf(9), vnode(9)

This manual page was written by Doug Rabson.
February 2, 2014 FreeBSD 12.0-RELEASE

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