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Use LIST_EMPTY() instead of unrolled version (LIST_FIRST() [!=]= NULL)

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This commit is contained in:
delphij 2007-02-22 14:52:59 +00:00
parent 6169e2ea40
commit b1293d9420
1 changed files with 5 additions and 5 deletions
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10
sys/kern/vfs_bio.c
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@ -1182,7 +1182,7 @@ brelse(struct buf *bp)
* cache the buffer.
*/
bp->b_flags |= B_INVAL;
if (LIST_FIRST(&bp->b_dep) != NULL)
if (!LIST_EMPTY(&bp->b_dep))
buf_deallocate(bp);
if (bp->b_flags & B_DELWRI) {
atomic_subtract_int(&numdirtybuffers, 1);
@ -1861,7 +1861,7 @@ restart:
crfree(bp->b_wcred);
bp->b_wcred = NOCRED;
}
if (LIST_FIRST(&bp->b_dep) != NULL)
if (!LIST_EMPTY(&bp->b_dep))
buf_deallocate(bp);
if (bp->b_vflags & BV_BKGRDINPROG)
panic("losing buffer 3");
@ -2180,7 +2180,7 @@ flushbufqueues(int queue, int flushdeps)
continue;
}
if (LIST_FIRST(&bp->b_dep) != NULL && buf_countdeps(bp, 0)) {
if (!LIST_EMPTY(&bp->b_dep) && buf_countdeps(bp, 0)) {
if (flushdeps == 0) {
BUF_UNLOCK(bp);
continue;
@ -2514,7 +2514,7 @@ loop:
bp->b_flags |= B_NOCACHE;
bwrite(bp);
} else {
if (LIST_FIRST(&bp->b_dep) == NULL) {
if (LIST_EMPTY(&bp->b_dep)) {
bp->b_flags |= B_RELBUF;
brelse(bp);
} else {
@ -3183,7 +3183,7 @@ bufdone_finish(struct buf *bp)
KASSERT(BUF_REFCNT(bp) > 0, ("biodone: bp %p not busy %d", bp,
BUF_REFCNT(bp)));
if (LIST_FIRST(&bp->b_dep) != NULL)
if (!LIST_EMPTY(&bp->b_dep))
buf_complete(bp);
if (bp->b_flags & B_VMIO) {