Merge branch 'bkl-removal' into next

[pandora-kernel.git] / fs / nfs / write.c

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index feca8c6..3229e21 100644 (file)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -133,16 +133,21 @@ static struct nfs_page *nfs_page_find_request(struct page *page)
 static void nfs_grow_file(struct page *page, unsigned int offset, unsigned int count)
 {
        struct inode *inode = page->mapping->host;
-       loff_t end, i_size = i_size_read(inode);
-       pgoff_t end_index = (i_size - 1) >> PAGE_CACHE_SHIFT;
+       loff_t end, i_size;
+       pgoff_t end_index;
 
+       spin_lock(&inode->i_lock);
+       i_size = i_size_read(inode);
+       end_index = (i_size - 1) >> PAGE_CACHE_SHIFT;
        if (i_size > 0 && page->index < end_index)
-               return;
+               goto out;
        end = ((loff_t)page->index << PAGE_CACHE_SHIFT) + ((loff_t)offset+count);
        if (i_size >= end)
-               return;
-       nfs_inc_stats(inode, NFSIOS_EXTENDWRITE);
+               goto out;
        i_size_write(inode, end);
+       nfs_inc_stats(inode, NFSIOS_EXTENDWRITE);
+out:
+       spin_unlock(&inode->i_lock);
 }
 
 /* A writeback failed: mark the page as bad, and invalidate the page cache */