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authorngkaho1234 <ngkaho1234@gmail.com>2016-01-31 22:31:05 +0800
committerngkaho1234 <ngkaho1234@gmail.com>2016-01-31 15:57:43 +0000
commit252c506239ab570c0f671513a3b17d3a44f86b5c (patch)
tree205681753f461e59880c2447588efd710b182746 /include/ext4_extent.h
parent3e42ad4c558d5f3e12cdf22f4d6610836c7df129 (diff)
Refactor header files dependencies.
Diffstat (limited to 'include/ext4_extent.h')
-rw-r--r--include/ext4_extent.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/ext4_extent.h b/include/ext4_extent.h
index 1d4ddf1..79a6196 100644
--- a/include/ext4_extent.h
+++ b/include/ext4_extent.h
@@ -50,6 +50,23 @@ extern "C" {
#include "ext4_inode.h"
+/*
+ * Array of ext4_ext_path contains path to some extent.
+ * Creation/lookup routines use it for traversal/splitting/etc.
+ * Truncate uses it to simulate recursive walking.
+ */
+struct ext4_extent_path {
+ ext4_fsblk_t p_block;
+ struct ext4_block block;
+ int32_t depth;
+ int32_t maxdepth;
+ struct ext4_extent_header *header;
+ struct ext4_extent_index *index;
+ struct ext4_extent *extent;
+
+};
+
+
/**@brief Get logical number of the block covered by extent.
* @param extent Extent to load number from
* @return Logical number of the first block covered by extent */