diff options
| -rw-r--r-- | fs/nfs/direct.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 6c588ec84d1..0c542ec92d5 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -122,13 +122,19 @@ ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, loff_ return -EINVAL; } -static void nfs_direct_dirty_pages(struct page **pages, unsigned int npages) +static void nfs_direct_dirty_pages(struct page **pages, unsigned int pgbase, size_t count) { + unsigned int npages; unsigned int i; + + if (count == 0) + return; + pages += (pgbase >> PAGE_SHIFT); + npages = (count + (pgbase & ~PAGE_MASK) + PAGE_SIZE - 1) >> PAGE_SHIFT; for (i = 0; i < npages; i++) { struct page *page = pages[i]; if (!PageCompound(page)) - set_page_dirty_lock(page); + set_page_dirty(page); } } @@ -224,17 +230,18 @@ static void nfs_direct_read_result(struct rpc_task *task, void *calldata) if (nfs_readpage_result(task, data) != 0) return; - nfs_direct_dirty_pages(data->pagevec, data->npages); - nfs_direct_release_pages(data->pagevec, data->npages); - spin_lock(&dreq->lock); - - if (likely(task->tk_status >= 0)) - dreq->count += data->res.count; - else + if (unlikely(task->tk_status < 0)) { dreq->error = task->tk_status; - - spin_unlock(&dreq->lock); + spin_unlock(&dreq->lock); + } else { + dreq->count += data->res.count; + spin_unlock(&dreq->lock); + nfs_direct_dirty_pages(data->pagevec, + data->args.pgbase, + data->res.count); + } + nfs_direct_release_pages(data->pagevec, data->npages); if (put_dreq(dreq)) nfs_direct_complete(dreq); |