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ext4: Remove i_ext_generation from ext4_inode_info structure

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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>
This commit is contained in:
Theodore Ts'o 2008-11-04 18:46:03 -05:00
parent 30773840c1
commit cde6436004
3 changed files with 0 additions and 8 deletions
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5
fs/ext4/ext4_extents.h
View File

@ -194,11 +194,6 @@ static inline unsigned short ext_depth(struct inode *inode)
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)
{

1
fs/ext4/ext4_i.h
View File

@ -117,7 +117,6 @@ struct ext4_inode_info {
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

2
fs/ext4/extents.c
View File

@ -1621,7 +1621,6 @@ cleanup:
ext4_ext_drop_refs(npath);
kfree(npath);
}
ext4_ext_tree_changed(inode);
ext4_ext_invalidate_cache(inode);
return err;
}
@ -2232,7 +2231,6 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start)
}
}
out:
ext4_ext_tree_changed(inode);
ext4_ext_drop_refs(path);
kfree(path);
ext4_journal_stop(handle);