Messages in this thread | | | Date | Fri, 19 May 2006 11:10:54 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 1/6] nfs: "open code" the NFS direct write rescheduler |
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Chuck Lever <cel@netapp.com> wrote: > > + * Prevent I/O completion while we're still rescheduling > + */ > + dreq->outstanding++; > +
No locking.
> dreq->count = 0; > + list_for_each(pos, &dreq->rewrite_list) { > + struct nfs_write_data *data = > + list_entry(dreq->rewrite_list.next, struct nfs_write_data, pages); > + > + spin_lock(&dreq->lock); > + dreq->outstanding++; > + spin_unlock(&dreq->lock);
Locking.
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