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Panic if no object in biodone. Slightly optimized allocbuf() again.

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This commit is contained in:
David Greenman 1995-07-24 03:16:41 +00:00
parent 6f4640cac6
commit 23f762689d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=9676
1 changed files with 3 additions and 5 deletions
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8
sys/kern/vfs_bio.c
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@ -18,7 +18,7 @@
* 5. Modifications may be freely made to this file if the above conditions
* are met.
*
* $Id: vfs_bio.c,v 1.51 1995/07/23 18:49:48 davidg Exp $
* $Id: vfs_bio.c,v 1.52 1995/07/23 19:37:52 davidg Exp $
*/
/*
@ -999,8 +999,8 @@ allocbuf(struct buf * bp, int size)
if (tinc > bsize)
tinc = bsize;
off = bp->b_lblkno * bsize;
curbpnpages = bp->b_npages;
doretry:
curbpnpages = bp->b_npages;
bp->b_flags |= B_CACHE;
for (toff = 0; toff < newbsize; toff += tinc) {
int mask;
@ -1036,7 +1036,6 @@ allocbuf(struct buf * bp, int size)
PAGE_WAKEUP(bp->b_pages[j]);
}
VM_WAIT;
curbpnpages = bp->b_npages;
goto doretry;
}
vm_page_activate(m);
@ -1055,7 +1054,6 @@ allocbuf(struct buf * bp, int size)
tsleep(m, PRIBIO, "pgtblk", 0);
splx(s);
curbpnpages = bp->b_npages;
goto doretry;
} else {
int pb;
@ -1165,7 +1163,7 @@ biodone(register struct buf * bp)
foff = vp->v_mount->mnt_stat.f_iosize * bp->b_lblkno;
obj = vp->v_object;
if (!obj) {
return;
panic("biodone: no object");
}
#if defined(VFS_BIO_DEBUG)
if (obj->paging_in_progress < bp->b_npages) {