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Correct a problem with the ffs_getpages routine that manifest's itself

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during the tail command.  The amount to read is incorrectly calculated.
Submitted by:	Tor Egge
This commit is contained in:
John Dyson 1998-03-09 22:12:52 +00:00
parent 005092bba6
commit 31bba5f966
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=34441
1 changed files with 3 additions and 2 deletions
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5
sys/ufs/ufs/ufs_readwrite.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ufs_readwrite.c 8.11 (Berkeley) 5/8/95
* $Id: ufs_readwrite.c,v 1.44 1998/03/07 21:36:42 dyson Exp $
* $Id: ufs_readwrite.c,v 1.45 1998/03/08 09:59:39 julian Exp $
*/
#define BLKSIZE(a, b, c) blksize(a, b, c)
@ -585,7 +585,8 @@ ffs_getpages(ap)
if ((IDX_TO_OFF(ap->a_m[firstpage]->pindex) + size) >
obj->un_pager.vnp.vnp_size)
size = obj->un_pager.vnp.vnp_size - foff;
size = obj->un_pager.vnp.vnp_size -
IDX_TO_OFF(ap->a_m[firstpage]->pindex);
physoffset -= foff;
rtval = VOP_GETPAGES(dp, &ap->a_m[firstpage], size,