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More >2Gb fixes, from Constantine Sapuntzakis.

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This commit is contained in:
bouyer 1998-10-16 14:29:40 +00:00
parent c5b62f45b1
commit bf32feec28
1 changed files with 7 additions and 5 deletions
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12
sys/kern/vfs_cluster.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_cluster.c,v 1.19 1998/10/12 09:57:48 bouyer Exp $ */
/* $NetBSD: vfs_cluster.c,v 1.20 1998/10/16 14:29:40 bouyer Exp $ */
/*-
* Copyright (c) 1993
@ -168,7 +168,8 @@ cluster_read(vp, filesize, lblkno, size, cred, bpp)
if (!ISSEQREAD(vp, lblkno)) {
vp->v_ralen = 0;
vp->v_maxra = lblkno;
} else if ((ioblkno + 1) * size <= filesize && !alreadyincore &&
} else if ((u_quad_t)(ioblkno + 1) * (u_quad_t)size <= filesize &&
!alreadyincore &&
!(error = VOP_BMAP(vp, ioblkno, NULL, &blkno, &num_ra)) &&
blkno != -1) {
/*
@ -205,9 +206,10 @@ cluster_read(vp, filesize, lblkno, size, cred, bpp)
bp->b_blkno = blkno;
/* Case 5: check how many blocks to read ahead */
++ioblkno;
if ((ioblkno + 1) * size > filesize ||
if ((u_quad_t)(ioblkno + 1) * (u_quad_t)size >
filesize ||
incore(vp, ioblkno) || (error = VOP_BMAP(vp,
ioblkno, NULL, &blkno, &num_ra)) || blkno == -1)
ioblkno, NULL, &blkno, &num_ra)) || blkno == -1)
goto skip_readahead;
/*
* Adjust readahead as above.
@ -572,7 +574,7 @@ cluster_write(bp, filesize)
* If at end of file, make cluster as large as possible,
* otherwise find size of existing cluster.
*/
if ((lbn + 1) * bp->b_bcount != filesize &&
if ((u_quad_t)(lbn + 1) * (u_quad_t)bp->b_bcount != filesize &&
(VOP_BMAP(vp, lbn, NULL, &bp->b_blkno, &maxclen) ||
bp->b_blkno == -1)) {
bawrite(bp);