NFS: use zero_user_page

Use zero_user_page() instead of the newly deprecated memclear_highpage_flush().

Signed-off-by: Nate Diller <nate.diller@gmail.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 9a55807..7bd7cb9 100644 (file)
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -79,7 +79,7 @@ void nfs_readdata_release(void *data)
 static
 int nfs_return_empty_page(struct page *page)
 {
-       memclear_highpage_flush(page, 0, PAGE_CACHE_SIZE);
+       zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
        SetPageUptodate(page);
        unlock_page(page);
        return 0;
@@ -103,10 +103,10 @@ static void nfs_readpage_truncate_uninitialised_page(struct nfs_read_data *data)
        pglen = PAGE_CACHE_SIZE - base;
        for (;;) {
                if (remainder <= pglen) {
-                       memclear_highpage_flush(*pages, base, remainder);
+                       zero_user_page(*pages, base, remainder, KM_USER0);
                        break;
                }
-               memclear_highpage_flush(*pages, base, pglen);
+               zero_user_page(*pages, base, pglen, KM_USER0);
                pages++;
                remainder -= pglen;
                pglen = PAGE_CACHE_SIZE;
@@ -130,7 +130,7 @@ static int nfs_readpage_async(struct nfs_open_context *ctx, struct inode *inode,
                return PTR_ERR(new);
        }
        if (len < PAGE_CACHE_SIZE)
-               memclear_highpage_flush(page, len, PAGE_CACHE_SIZE - len);
+               zero_user_page(page, len, PAGE_CACHE_SIZE - len, KM_USER0);
 
        nfs_list_add_request(new, &one_request);
        if (NFS_SERVER(inode)->rsize < PAGE_CACHE_SIZE)
@@ -532,7 +532,7 @@ readpage_async_filler(void *data, struct page *page)
                        return PTR_ERR(new);
        }
        if (len < PAGE_CACHE_SIZE)
-               memclear_highpage_flush(page, len, PAGE_CACHE_SIZE - len);
+               zero_user_page(page, len, PAGE_CACHE_SIZE - len, KM_USER0);
        nfs_pageio_add_request(desc->pgio, new);
        return 0;
 }

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index de92b95..211d0b1 100644 (file)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -168,7 +168,7 @@ static void nfs_mark_uptodate(struct page *page, unsigned int base, unsigned int
        if (count != nfs_page_length(page))
                return;
        if (count != PAGE_CACHE_SIZE)
-               memclear_highpage_flush(page, count, PAGE_CACHE_SIZE - count);
+               zero_user_page(page, count, PAGE_CACHE_SIZE - count, KM_USER0);
        SetPageUptodate(page);
 }