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Collapse three contiguous comment blocks into one. Remove historical

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note about wrong assumptions 20 years ago. Use proper casing.

Sponsored by:	Nginx, Inc.
This commit is contained in:
Gleb Smirnoff 2014-11-18 13:38:07 +00:00
parent e93af0f1b9
commit e122dfc1ce
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=274652
1 changed files with 3 additions and 8 deletions
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11
sys/vm/vnode_pager.c
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@ -727,17 +727,12 @@ vnode_pager_generic_getpages(struct vnode *vp, vm_page_t *m, int bytecount,
return VM_PAGER_BAD;
bsize = vp->v_mount->mnt_stat.f_iosize;
/* get the UNDERLYING device for the file with VOP_BMAP() */
/*
* originally, we did not check for an error return value -- assuming
* an fs always has a bmap entry point -- that assumption is wrong!!!
*/
foff = IDX_TO_OFF(m[reqpage]->pindex);
/*
* if we can't bmap, use old VOP code
* Get the underlying device blocks for the file with VOP_BMAP().
* If the file system doesn't support VOP_BMAP, use old way of
* getting pages via VOP_READ.
*/
error = VOP_BMAP(vp, foff / bsize, &bo, &reqblock, NULL, NULL);
if (error == EOPNOTSUPP) {