Collapse three contiguous comment blocks into one. Remove historical
note about wrong assumptions 20 years ago. Use proper casing. Sponsored by: Nginx, Inc.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=274652
@ -727,17 +727,12 @@ vnode_pager_generic_getpages(struct vnode *vp, vm_page_t *m, int bytecount,
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return VM_PAGER_BAD;
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bsize = vp->v_mount->mnt_stat.f_iosize;
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/* get the UNDERLYING device for the file with VOP_BMAP() */
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/*
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* originally, we did not check for an error return value -- assuming
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* an fs always has a bmap entry point -- that assumption is wrong!!!
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*/
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foff = IDX_TO_OFF(m[reqpage]->pindex);
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/*
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* if we can't bmap, use old VOP code
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* Get the underlying device blocks for the file with VOP_BMAP().
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* If the file system doesn't support VOP_BMAP, use old way of
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* getting pages via VOP_READ.
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*/
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error = VOP_BMAP(vp, foff / bsize, &bo, &reqblock, NULL, NULL);
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if (error == EOPNOTSUPP) {
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