ext4: journal credits calulation cleanup and fix for non-extent writepage

[linux-2.6-omap-h63xx.git] / fs / ext4 / ext4_jbd2.h

diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index eb8bc3afe6e9f590f491bf9098980f39f27bf245..b455c685a98b5cb779654fa22826622899ca6133 100644 (file)
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -51,6 +51,14 @@
                                         EXT4_XATTR_TRANS_BLOCKS - 2 + \
                                         2*EXT4_QUOTA_TRANS_BLOCKS(sb))
 
+/*
+ * Define the number of metadata blocks we need to account to modify data.
+ *
+ * This include super block, inode block, quota blocks and xattr blocks
+ */
+#define EXT4_META_TRANS_BLOCKS(sb)     (EXT4_XATTR_TRANS_BLOCKS + \
+                                       2*EXT4_QUOTA_TRANS_BLOCKS(sb))
+
 /* Delete operations potentially hit one directory's namespace plus an
  * entire inode, plus arbitrary amounts of bitmap/indirection data.  Be
  * generous.  We can grow the delete transaction later if necessary. */