Btrfs: struct key endian fixes

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 18 insertions, 16 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 524c11fea24a..475e72215964 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7,7 +7,8 @@
 #include "print-tree.h"
 
 static int find_free_extent(struct ctree_root *orig_root, u64 num_blocks,
-                            u64 search_start, u64 search_end, struct key *ins);
+                            u64 search_start, u64 search_end,
+                            struct btrfs_key *ins);
 static int finish_current_insert(struct ctree_root *extent_root);
 static int run_pending(struct ctree_root *extent_root);
 
@@ -24,10 +25,10 @@ static int inc_block_ref(struct ctree_root *root, u64 blocknr)
 {
         struct ctree_path path;
         int ret;
-        struct key key;
+        struct btrfs_key key;
         struct leaf *l;
         struct extent_item *item;
-        struct key ins;
+        struct btrfs_key ins;
 
         find_free_extent(root->extent_root, 0, 0, (u64)-1, &ins);
         init_path(&path);
@@ -54,7 +55,7 @@ static int lookup_block_ref(struct ctree_root *root, u64 blocknr, u32 *refs)
 {
         struct ctree_path path;
         int ret;
-        struct key key;
+        struct btrfs_key key;
         struct leaf *l;
         struct extent_item *item;
         init_path(&path);
@@ -113,7 +114,7 @@ int btrfs_finish_extent_commit(struct ctree_root *root)
 
 static int finish_current_insert(struct ctree_root *extent_root)
 {
-        struct key ins;
+        struct btrfs_key ins;
         struct extent_item extent_item;
         int i;
         int ret;
@@ -140,12 +141,12 @@ static int finish_current_insert(struct ctree_root *extent_root)
 int __free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks)
 {
         struct ctree_path path;
-        struct key key;
+        struct btrfs_key key;
         struct ctree_root *extent_root = root->extent_root;
         int ret;
         struct item *item;
         struct extent_item *ei;
-        struct key ins;
+        struct btrfs_key ins;
 
         key.objectid = blocknr;
         key.flags = 0;
@@ -227,7 +228,7 @@ static int run_pending(struct ctree_root *extent_root)
  */
 int free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks)
 {
-        struct key key;
+        struct btrfs_key key;
         struct ctree_root *extent_root = root->extent_root;
         struct tree_buffer *t;
         int pending_ret;
@@ -256,10 +257,11 @@ int free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks)
  * Any available blocks before search_start are skipped.
  */
 static int find_free_extent(struct ctree_root *orig_root, u64 num_blocks,
-                            u64 search_start, u64 search_end, struct key *ins)
+                            u64 search_start, u64 search_end,
+                            struct btrfs_key *ins)
 {
         struct ctree_path path;
-        struct key *key;
+        struct btrfs_key key;
         int ret;
         u64 hole_size = 0;
         int slot = 0;
@@ -306,12 +308,12 @@ check_failed:
                         ins->offset = (u64)-1;
                         goto check_pending;
                 }
-                key = &l->items[slot].key;
-                if (key->objectid >= search_start) {
+                btrfs_disk_key_to_cpu(&key, &l->items[slot].key);
+                if (key.objectid >= search_start) {
                         if (start_found) {
                                 if (last_block < search_start)
                                         last_block = search_start;
-                                hole_size = key->objectid - last_block;
+                                hole_size = key.objectid - last_block;
                                 if (hole_size > total_needed) {
                                         ins->objectid = last_block;
                                         ins->offset = hole_size;
@@ -320,7 +322,7 @@ check_failed:
                         }
                 }
                 start_found = 1;
-                last_block = key->objectid + key->offset;
+                last_block = key.objectid + key.offset;
                 path.slots[0]++;
         }
         // FIXME -ENOSPC
@@ -357,7 +359,7 @@ error:
  * returns 0 if everything worked, non-zero otherwise.
  */
 int alloc_extent(struct ctree_root *root, u64 num_blocks, u64 search_start,
-                         u64 search_end, u64 owner, struct key *ins)
+                         u64 search_end, u64 owner, struct btrfs_key *ins)
 {
         int ret;
         int pending_ret;
@@ -400,7 +402,7 @@ int alloc_extent(struct ctree_root *root, u64 num_blocks, u64 search_start,
  */
 struct tree_buffer *alloc_free_block(struct ctree_root *root)
 {
-        struct key ins;
+        struct btrfs_key ins;
         int ret;
         struct tree_buffer *buf;