linux-kernel - Re: [2.6.26 PATCH, RESEND]: fs_stack/eCryptfs: fsstack_copy

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

Date:	Thu, 1 May 2008 13:18:09 -0400
From:	Erez Zadok <ezk@...sunysb.edu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Erez Zadok <ezk@...sunysb.edu>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk,
	hch@...radead.org, mhalcrow@...ibm.com, hugh@...itas.com
Subject: Re: [2.6.26 PATCH, RESEND]: fs_stack/eCryptfs: fsstack_copy_* updates 

In message <20080430101704.9cbd6384.akpm@...ux-foundation.org>, Andrew Morton writes:
[...[
> Can we avoid having to think?
> 
> void fsstack_copy_inode_size(struct inode *dst, const struct inode *src)
> {
> 	blkcnt_t i_blocks;
> 	loff_t i_size;
> 
> 	i_size = i_size_read(src);
> 	spin_lock_32bit(&src->i_lock);
> 	i_blocks = src->i_blocks;
> 	spin_unlock_32bit(&src->i_lock);
> 
> 	i_size_write(dst, i_size);
> 	spin_lock_32bit(&dst->i_lock)
> 	dst->i_blocks = i_blocks;
> 	spin_unlock_32bit(&dst->i_lock)
> }

I can't find spin_[um]lock_32bit anywhere (checkd latest mmotm and linus's
tree).  I therefore assume this was just your way of saying I should:

#if BITS_PER_LONG == 32
	spin_unlock(&dst->i_lock);
#endif

Erez.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/