ext4: Remove i_ext_generation from ext4_inode_info structure
The i_ext_generation was incremented, but never used. Remove it to
slim down the ext4_inode_info structure.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h
index bec7ce5..18cb67b 100644
--- a/fs/ext4/ext4_extents.h
+++ b/fs/ext4/ext4_extents.h
@@ -194,11 +194,6 @@
return le16_to_cpu(ext_inode_hdr(inode)->eh_depth);
}
-static inline void ext4_ext_tree_changed(struct inode *inode)
-{
- EXT4_I(inode)->i_ext_generation++;
-}
-
static inline void
ext4_ext_invalidate_cache(struct inode *inode)
{
diff --git a/fs/ext4/ext4_i.h b/fs/ext4/ext4_i.h
index 5c124c0..acc0b72 100644
--- a/fs/ext4/ext4_i.h
+++ b/fs/ext4/ext4_i.h
@@ -117,7 +117,6 @@
struct inode vfs_inode;
struct jbd2_inode jinode;
- unsigned long i_ext_generation;
struct ext4_ext_cache i_cached_extent;
/*
* File creation time. Its function is same as that of
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 743e3fe..b9e27bc 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1621,7 +1621,6 @@
ext4_ext_drop_refs(npath);
kfree(npath);
}
- ext4_ext_tree_changed(inode);
ext4_ext_invalidate_cache(inode);
return err;
}
@@ -2232,7 +2231,6 @@
}
}
out:
- ext4_ext_tree_changed(inode);
ext4_ext_drop_refs(path);
kfree(path);
ext4_journal_stop(handle);