Re: git (commit|tag) atomicity
On Tue, Feb 28, 2012 at 6:57 PM, Zach Brown <zab@zabbo.net> wrote:
Show 17 quoted lines
>
> It's a bit of a tangent, but just to be sure people don't get the wrong
> impression..
>
>
>> But I am not sure... that probably depends on how opendir(3) and
>> readdir(3) works on given filesystem wrt. updates to opened directory.
>> I think VFS on Linux ensures that you see view of filesystem as it was
>> on opendir().
>
>
> No, readdir() does not give you a static view of the entries in a
> directory as it was on opendir(). readdir() will reflect modifications
> that are done after opendir(). The specifics for a given situation
> depend on how the file system maps the readdir position (f_pos) to
> directory entries. You can see very different results when comparing,
> say, stock ext2, indexed ext[34], and btrfs.
Jon Jagger <jon@jaggersoft.com>