mm: move migrate_prep out from under mmap_sem

[linux-2.6-omap-h63xx.git] / fs / ext2 / inode.c

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 384fc0d1dd743b080c0fc1fa7f887663d8ed8d8e..7658b33e2653c5da7eb0c00c8fc7dc12313f7745 100644 (file)
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -31,6 +31,7 @@
 #include <linux/writeback.h>
 #include <linux/buffer_head.h>
 #include <linux/mpage.h>
+#include <linux/fiemap.h>
 #include "ext2.h"
 #include "acl.h"
 #include "xip.h"
@@ -704,6 +705,13 @@ int ext2_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh_
 
 }
 
+int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+               u64 start, u64 len)
+{
+       return generic_block_fiemap(inode, fieinfo, start, len,
+                                   ext2_get_block);
+}
+
 static int ext2_writepage(struct page *page, struct writeback_control *wbc)
 {
        return block_write_full_page(page, ext2_get_block, wbc);
@@ -791,6 +799,7 @@ const struct address_space_operations ext2_aops = {
        .direct_IO              = ext2_direct_IO,
        .writepages             = ext2_writepages,
        .migratepage            = buffer_migrate_page,
+       .is_partially_uptodate  = block_is_partially_uptodate,
 };
 
 const struct address_space_operations ext2_aops_xip = {