On Mon, 21 May 2007 19:18:55 -0500 Eric Sandeen <[EMAIL PROTECTED]> wrote:
> Andrew Morton wrote: > > On Mon, 21 May 2007 13:11:21 -0500 > > Eric Sandeen <[EMAIL PROTECTED]> wrote: > > > >> This is a non-ida backport of Tejun's patch in -mm at: > >> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc1/2.6.22-rc1-mm1/broken-out/gregkh-driver-sysfs-allocate-inode-number-using-ida.patch > >> for the 2.6.16 -stable tree - it follows the same scheme of using s_ino to > >> safely > >> store & retrieve the inode number of sysfs entries for use in > >> sysfs_readdir, > >> but uses a brain-dead-simple inode nr allocator rather than ida, which > >> would > >> bring along a lot of newer, more complex code. > >> > >> No, this doesn't guarantee uniqueness of sysfs inode numbers, but then > >> the code in -stable today doesn't either - and with this change, at least > >> it shouldn't oops. > > > > So I'm sitting here whether to commend this patch to google kernel > > maintainers > > for 2.6.18 backport, but I realise I don't know what it does. And I don't > > know > > if it fixes the reclaim-time oopses they were intermittently seeing, or if > > it > > fixes something else and if so what that is. > > > > Sigh. Better changelogs, please. > > > > Sorry Andrew. I referenced Tejun's upstream patch in -mm which has a > nice changelog etc, and this is a backport of that, and does the same > thing in the same way and solves the same problem - but that doesn't > help if you just want to toss this message into your patch stack. Will > fix up & resend. > Actually, someone (eg distros) looking at Tejun's changelog would still be struggling to answer the question "do I need this". The one thing it claims to fix is "duplicate inode numbers". But why is that a problem? What are the user-visible consequences of not merging the patch? Unobvious. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/