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- Remove spls and comments relating to them.

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This commit is contained in:
Jeff Roberson 2005-05-01 01:01:17 +00:00
parent 194dfed917
commit 8d46d9c46f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=145734
1 changed files with 2 additions and 26 deletions
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28
sys/kern/vfs_cluster.c
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@ -135,15 +135,7 @@ cluster_read(vp, filesize, lblkno, size, cred, totread, seqcount, bpp)
} else if ((bp->b_flags & B_RAM) == 0) {
return 0;
} else {
int s;
bp->b_flags &= ~B_RAM;
/*
* We do the spl here so that there is no window
* between the incore and the b_usecount increment
* below. We opt to keep the spl out of the loop
* for efficiency.
*/
s = splbio();
VI_LOCK(vp);
for (i = 1; i < maxra; i++) {
/*
@ -163,7 +155,6 @@ cluster_read(vp, filesize, lblkno, size, cred, totread, seqcount, bpp)
rbp->b_flags |= B_RAM;
}
VI_UNLOCK(vp);
splx(s);
if (i >= maxra) {
return 0;
}
@ -752,12 +743,11 @@ cluster_wbuild(vp, size, start_lbn, len)
int len;
{
struct buf *bp, *tbp;
int i, j, s;
int i, j;
int totalwritten = 0;
int dbsize = btodb(size);
while (len > 0) {
s = splbio();
/*
* If the buffer is not delayed-write (i.e. dirty), or it
* is delayed-write but either locked or inval, it cannot
@ -769,26 +759,22 @@ cluster_wbuild(vp, size, start_lbn, len)
VI_UNLOCK(vp);
++start_lbn;
--len;
splx(s);
continue;
}
if (BUF_LOCK(tbp,
LK_EXCLUSIVE | LK_NOWAIT | LK_INTERLOCK, VI_MTX(vp))) {
++start_lbn;
--len;
splx(s);
continue;
}
if ((tbp->b_flags & (B_INVAL | B_DELWRI)) != B_DELWRI) {
BUF_UNLOCK(tbp);
++start_lbn;
--len;
splx(s);
continue;
}
bremfree(tbp);
tbp->b_flags &= ~B_DONE;
splx(s);
/*
* Extra memory in the buffer, punt on this buffer.
@ -845,7 +831,6 @@ cluster_wbuild(vp, size, start_lbn, len)
*/
for (i = 0; i < len; ++i, ++start_lbn) {
if (i != 0) { /* If not the first buffer */
s = splbio();
/*
* If the adjacent data is not even in core it
* can't need to be written.
@ -854,7 +839,6 @@ cluster_wbuild(vp, size, start_lbn, len)
if ((tbp = gbincore(&vp->v_bufobj, start_lbn)) == NULL ||
(tbp->b_vflags & BV_BKGRDINPROG)) {
VI_UNLOCK(vp);
splx(s);
break;
}
@ -867,10 +851,8 @@ cluster_wbuild(vp, size, start_lbn, len)
*/
if (BUF_LOCK(tbp,
LK_EXCLUSIVE | LK_NOWAIT | LK_INTERLOCK,
VI_MTX(vp))) {
splx(s);
VI_MTX(vp)))
break;
}
if ((tbp->b_flags & (B_VMIO | B_CLUSTEROK |
B_INVAL | B_DELWRI | B_NEEDCOMMIT))
@ -878,7 +860,6 @@ cluster_wbuild(vp, size, start_lbn, len)
(bp->b_flags & (B_VMIO | B_NEEDCOMMIT))) ||
tbp->b_wcred != bp->b_wcred) {
BUF_UNLOCK(tbp);
splx(s);
break;
}
@ -893,7 +874,6 @@ cluster_wbuild(vp, size, start_lbn, len)
((tbp->b_npages + bp->b_npages) >
(vp->v_mount->mnt_iosize_max / PAGE_SIZE))) {
BUF_UNLOCK(tbp);
splx(s);
break;
}
/*
@ -903,7 +883,6 @@ cluster_wbuild(vp, size, start_lbn, len)
*/
bremfree(tbp);
tbp->b_flags &= ~B_DONE;
splx(s);
} /* end of code for non-first buffers only */
/* check for latent dependencies to be handled */
if ((LIST_FIRST(&tbp->b_dep)) != NULL) {
@ -947,8 +926,6 @@ cluster_wbuild(vp, size, start_lbn, len)
}
bp->b_bcount += size;
bp->b_bufsize += size;
s = splbio();
bundirty(tbp);
tbp->b_flags &= ~B_DONE;
tbp->b_ioflags &= ~BIO_ERROR;
@ -956,7 +933,6 @@ cluster_wbuild(vp, size, start_lbn, len)
tbp->b_iocmd = BIO_WRITE;
reassignbuf(tbp); /* put on clean list */
bufobj_wref(tbp->b_bufobj);
splx(s);
BUF_KERNPROC(tbp);
TAILQ_INSERT_TAIL(&bp->b_cluster.cluster_head,
tbp, b_cluster.cluster_entry);