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    SubjectRe: [PATCH 1/6] nfs: "open code" the NFS direct write rescheduler
    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.

    Deliberate?
    -
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