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If the request crosses EOF and bp->b_bcount is not a multiple of

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the sector size, the new value for bp->b_bcount was incorrectly
    calculated.  Fixed.

Submitted by: 	Tor.Egge@fast.no
This commit is contained in:
Matthew Dillon 1999-09-27 00:27:32 +00:00
parent e701df7d61
commit adec8f4338
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=51703
1 changed files with 1 additions and 2 deletions
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3
sys/dev/vn/vn.c
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@ -334,8 +334,7 @@ vnstrategy(struct buf *bp)
* If the request crosses EOF, truncate the request.
*/
if (pbn + sz > vn->sc_size) {
bp->b_bcount -= (pbn + sz - vn->sc_size) *
vn->sc_secsize;
bp->b_bcount = (vn->sc_size - pbn) * vn->sc_secsize;
bp->b_resid = bp->b_bcount;
}
bp->b_pblkno = pbn;