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Show First 20 Lines • Show All 527 Lines • ▼ Show 20 Lines	fuse_vnop_bmap(struct vop_bmap_args *ap)

mp = vnode_mount(vp);		mp = vnode_mount(vp);
data = fuse_get_mpdata(mp);		data = fuse_get_mpdata(mp);
biosize = fuse_iosize(vp);		biosize = fuse_iosize(vp);
maxrun = MIN(vp->v_mount->mnt_iosize_max / biosize - 1,		maxrun = MIN(vp->v_mount->mnt_iosize_max / biosize - 1,
data->max_readahead_blocks);		data->max_readahead_blocks);

if (bo != NULL)		if (bo != NULL)
*bo = &vp->v_bufobj;		*bo = vp2bo(vp);

/*		/*
* The FUSE_BMAP operation does not include the runp and runb		* The FUSE_BMAP operation does not include the runp and runb
* variables, so we must guess. Report nonzero contiguous runs so		* variables, so we must guess. Report nonzero contiguous runs so
* cluster_read will combine adjacent reads. It's worthwhile to reduce		* cluster_read will combine adjacent reads. It's worthwhile to reduce
* upcalls even if we don't know the true physical layout of the file.		* upcalls even if we don't know the true physical layout of the file.
*		*
* FUSE file systems may opt out of read clustering in two ways:		* FUSE file systems may opt out of read clustering in two ways:
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