linux-ext4 - Re: [PATCH Take2 1/1] Nanosecond timestamps

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20070219095602.GC2295@lombardij>
Date:	Mon, 19 Feb 2007 10:56:02 +0100
From:	Johann Lombardi <johann.lombardi@...l.net>
To:	Kalpak Shah <kalpak@...sterfs.com>
Cc:	linux-ext4 <linux-ext4@...r.kernel.org>,
	TheodoreTso <tytso@....edu>,
	Andreas Dilger <adilger@...sterfs.com>, sct@...hat.com,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
Subject: Re: [PATCH Take2 1/1] Nanosecond timestamps

On Tue, Feb 13, 2007 at 06:46:44PM +0530, Kalpak Shah wrote:
> Index: linux-2.6.20/fs/ext4/inode.c
> ===================================================================
> --- linux-2.6.20.orig/fs/ext4/inode.c
> +++ linux-2.6.20/fs/ext4/inode.c
> @@ -2676,10 +2676,11 @@ void ext4_read_inode(struct inode * inod
>  	}
>  	inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
>  	inode->i_size = le32_to_cpu(raw_inode->i_size);
> -	inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime);
> -	inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime);
> -	inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime);
> -	inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_mtime.tv_nsec = 0;
> +
> +	EXT4_INODE_GET_XTIME(i_ctime, i_ctime_extra, ei, inode, raw_inode);
> +	EXT4_INODE_GET_XTIME(i_mtime, i_mtime_extra, ei, inode, raw_inode);
> +	EXT4_INODE_GET_XTIME(i_atime, i_atime_extra, ei, inode, raw_inode);
> +	EXT4_INODE_GET_XTIME(i_crtime, i_crtime_extra, ei, ei, raw_inode);

ei->i_extra_isize is not yet initialized at this point (it is set a couple of
lines lower).
I guess the consequence of this is that nanosecond timestamps are always
discarded since ei->i_extra_isize is equal to 0.

Cheers,
Johann
-
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html