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Temporarily undo clusters contribution to global runningbufspace while

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handling copy on write for the buffers taking part in the cluster.
This commit is contained in:
tegge 2006-05-03 00:10:29 +00:00
parent 5174ba191d
commit e2c33fcc89
1 changed files with 4 additions and 0 deletions
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4
sys/ufs/ffs/ffs_vfsops.c
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@ -1781,6 +1781,7 @@ ffs_geom_strategy(struct bufobj *bo, struct buf *bp)
if ((vp->v_vflag & VV_COPYONWRITE) &&
vp->v_rdev->si_snapdata != NULL) {
if ((bp->b_flags & B_CLUSTER) != 0) {
runningbufwakeup(bp);
TAILQ_FOREACH(tbp, &bp->b_cluster.cluster_head,
b_cluster.cluster_entry) {
error = ffs_copyonwrite(vp, tbp);
@ -1792,6 +1793,9 @@ ffs_geom_strategy(struct bufobj *bo, struct buf *bp)
return;
}
}
bp->b_runningbufspace = bp->b_bufsize;
atomic_add_int(&runningbufspace,
bp->b_runningbufspace);
} else {
error = ffs_copyonwrite(vp, bp);
if (error != 0 && error != EOPNOTSUPP) {