From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 27 Mar 2007 15:26:26 +0000 (-0400)
Subject: Btrfs: byte offsets for file keys
X-Git-Tag: v2.6.29-rc1~27^2~9^2~55^2~56^2~30^2~635
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9773a788681db1f5c2701b7433737fdca61a14ba;p=pandora-kernel.git

Btrfs: byte offsets for file keys

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

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index c3fa12a6b59e..1897f3a65b4f 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -899,5 +899,5 @@ int btrfs_alloc_file_extent(struct btrfs_trans_handle *trans,
 int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root,
 			     struct btrfs_path *path, u64 objectid,
-			     u64 blocknr, u64 num_blocks, int mod);
+			     u64 blocknr, int mod);
 #endif
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 09de270c5a52..5230a44cb19b 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -26,6 +26,7 @@ int btrfs_alloc_file_extent(struct btrfs_trans_handle *trans,
 
 	ret = btrfs_insert_empty_item(trans, root, &path, &file_key,
 				      sizeof(*item));
+	BUG_ON(ret);
 	item = btrfs_item_ptr(btrfs_buffer_leaf(path.nodes[0]), path.slots[0],
 			      struct btrfs_file_extent_item);
 	btrfs_set_file_extent_disk_blocknr(item, ins.objectid);
@@ -42,7 +43,7 @@ int btrfs_alloc_file_extent(struct btrfs_trans_handle *trans,
 int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root,
 			     struct btrfs_path *path, u64 objectid,
-			     u64 blocknr, u64 num_blocks, int mod)
+			     u64 offset, int mod)
 {
 	int ret;
 	struct btrfs_key file_key;
@@ -50,7 +51,7 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
 	int cow = mod != 0;
 
 	file_key.objectid = objectid;
-	file_key.offset = blocknr;
+	file_key.offset = offset;
 	file_key.flags = 0;
 	btrfs_set_key_type(&file_key, BTRFS_EXTENT_DATA_KEY);
 	ret = btrfs_search_slot(trans, root, &file_key, path, ins_len, cow);
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