get rid of useless dget_parent() in btrfs rename() and link()
->d_parent is locked and stable there... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -4766,11 +4766,10 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
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if (err) {
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drop_inode = 1;
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} else {
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struct dentry *parent = dget_parent(dentry);
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struct dentry *parent = dentry->d_parent;
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err = btrfs_update_inode(trans, root, inode);
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BUG_ON(err);
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btrfs_log_new_name(trans, inode, NULL, parent);
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dput(parent);
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}
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nr = trans->blocks_used;
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@ -7062,9 +7061,8 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
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BUG_ON(ret);
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if (old_ino != BTRFS_FIRST_FREE_OBJECTID) {
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struct dentry *parent = dget_parent(new_dentry);
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struct dentry *parent = new_dentry->d_parent;
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btrfs_log_new_name(trans, old_inode, old_dir, parent);
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dput(parent);
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btrfs_end_log_trans(root);
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}
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out_fail:
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