src/sys/ufs/ufs/ufs_readwrite.c - diff

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version 1.64, 2005/11/02 12:39:14

version 1.64.2.2, 2005/11/18 08:44:55

Line 34

#include <sys/cdefs.h>

__KERNEL_RCSID(1, "$NetBSD$");

#include <uvm/uvm_readahead.h>

#ifdef LFS_READWRITE

#define BLKSIZE(a, b, c) blksize(a, b, c)

#define FS struct lfs

Line 112 READ(void *v)

Line 114 READ(void *v)

usepc = vp->v_type == VREG;

#endif /* !LFS_READWRITE */

if (usepc) {

const int advice = IO_ADV_DECODE(ap->a_ioflag);

while (uio->uio_resid > 0) {

bytelen = MIN(ip->i_size - uio->uio_offset,

uio->uio_resid);

Line 120 READ(void *v)

Line 124 READ(void *v)

win = ubc_alloc(&vp->v_uobj, uio->uio_offset,

&bytelen, UBC_READ);

uvm_ra_request(vp->v_ractx, advice, &vp->v_uobj,

uio->uio_offset, bytelen);

error = uiomove(win, bytelen, uio);

flags = UBC_WANT_UNMAP(vp) ? UBC_UNMAP : 0;

ubc_release(win, flags);