include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...

[mv-sheeva.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0427183e3e05c0198617427fbc311c9b7f397947..e57ded75d910aaf102a256146c4b7235f67515bc 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -27,6 +27,7 @@
 #include <linux/kthread.h>
 #include <linux/freezer.h>
 #include <linux/crc32c.h>
+#include <linux/slab.h>
 #include "compat.h"
 #include "ctree.h"
 #include "disk-io.h"
@@ -263,13 +264,15 @@ static int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
 static int verify_parent_transid(struct extent_io_tree *io_tree,
                                 struct extent_buffer *eb, u64 parent_transid)
 {
+       struct extent_state *cached_state = NULL;
        int ret;
 
        if (!parent_transid || btrfs_header_generation(eb) == parent_transid)
                return 0;
 
-       lock_extent(io_tree, eb->start, eb->start + eb->len - 1, GFP_NOFS);
-       if (extent_buffer_uptodate(io_tree, eb) &&
+       lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1,
+                        0, &cached_state, GFP_NOFS);
+       if (extent_buffer_uptodate(io_tree, eb, cached_state) &&
            btrfs_header_generation(eb) == parent_transid) {
                ret = 0;
                goto out;
@@ -282,10 +285,10 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
                       (unsigned long long)btrfs_header_generation(eb));
        }
        ret = 1;
-       clear_extent_buffer_uptodate(io_tree, eb);
+       clear_extent_buffer_uptodate(io_tree, eb, &cached_state);
 out:
-       unlock_extent(io_tree, eb->start, eb->start + eb->len - 1,
-                     GFP_NOFS);
+       unlock_extent_cached(io_tree, eb->start, eb->start + eb->len - 1,
+                            &cached_state, GFP_NOFS);
        return ret;
 }
 
@@ -2497,7 +2500,8 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid)
        int ret;
        struct inode *btree_inode = buf->first_page->mapping->host;
 
-       ret = extent_buffer_uptodate(&BTRFS_I(btree_inode)->io_tree, buf);
+       ret = extent_buffer_uptodate(&BTRFS_I(btree_inode)->io_tree, buf,
+                                    NULL);
        if (!ret)
                return ret;