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.
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