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-rw-r--r--fs/ext4/ext4.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 730c88d..3ab7cd8 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -90,6 +90,11 @@ typedef __u32 ext4_lblk_t;
/* data type for block group number */
typedef unsigned int ext4_group_t;
+enum SHIFT_DIRECTION {
+ SHIFT_LEFT = 0,
+ SHIFT_RIGHT,
+};
+
/*
* Flags used in mballoc's allocation_context flags field.
*
@@ -2947,6 +2952,7 @@ extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
__u64 start, __u64 len);
extern int ext4_ext_precache(struct inode *inode);
extern int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len);
+extern int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len);
extern int ext4_swap_extents(handle_t *handle, struct inode *inode1,
struct inode *inode2, ext4_lblk_t lblk1,
ext4_lblk_t lblk2, ext4_lblk_t count,
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