Re: [3.4.x] missing patches for 3.4.x

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On Thu, Mar 06, 2014 at 06:13:38PM +0100, Francis Moreau wrote:
> On 03/06/2014 05:45 PM, Greg Kroah-Hartman wrote:
> > On Thu, Mar 06, 2014 at 05:42:49PM +0100, Francis Moreau wrote:
> >> On 03/05/2014 07:54 PM, Greg Kroah-Hartman wrote:
> >>> On Sat, Feb 22, 2014 at 06:45:46PM +0800, Rui Xiang wrote:
> >>>> Hi Greg,
> >>>>
> >>>> These are a bunch of commits from the list of upstream commits
> >>>> that have been backported to 3.2 but missing from 3.4.
> >>>>
> >>>> For the 14 commits,
> >>>>  - 12 commits were marked for stable but can't be applied cleanly to
> >>>>    3.4.x.
> >>>>  - 1 commit is not a bug fix, but a prerequisite for a commit which 
> >>>>    had been backported to 3.4.x without this commit. So it needn't to be
> >>>>    applied.
> >>>>  - 1 commit has no stable tag. I've found out why it was backported
> >>>>    to 3.2.x, and I'm sure it should be applied to 3.4.x.
> >>>>
> >>>> Please cherry-pick these commits from 3.2.x:
> >>>>
> >>>> ccebcc74c81d  nilfs2: fix issue with race condition of competition between segments for dirty blocks
> >>>> b5f9e3533584  fuse: readdir: check for slash in names
> >>>> 941781515755  fuse: hotfix truncate_pagecache() issue
> >>>> be47dfad8e39  libceph: unregister request in __map_request failed and nofail == false
> >>>> eb4a22ba43d9  cifs: don't instantiate new dentries in readdir for inodes that need to be revalidated immediately
> >>>> 21544884d7d5  ncpfs: fix rmdir returns Device or resource busy
> >>>> 164ed4383ca6  ext4/jbd2: don't wait (forever) for stale tid caused by wraparound
> >>>> 2ff3ae3932b9  UBIFS: fix double free of ubifs_orphan objects
> >>>> 3e411534ea3b  ext4: fix possible use-after-free with AIO
> >>>> f6f82cba2ccb  cifs: adjust sequence number downward after signing NT_CANCEL request
> >>>>
> >>>> There are 3 other commits that need some adjustments. I'll send
> >>>> out the backports.
> >>>
> >>> Thanks so much for this, I've now included these commits, and the 3
> >>> other.
> >>>
> >>
> >> Just out of curiosity, why are those commits missing from the 3.4.x
> >> stable tree but not from the 3.2.x one ?
> > 
> > Because they required manual backporting to the 3.4.x kernel, and Ben
> > did that work.  With my workload, I can't take the time to backport
> > every stable patch to the 3.4.x tree, I rely on the subsystem
> > maintainers and others, to do this work.
> > 
> 
> Thanks for clarifying.
> 
> Maybe you should put a list of commits which need to be backported (in
> hold state). It might be better than possibly forgetting them.

I don't think you understand the quantity of patches involved here.
Just look at all of the patches that go into the "latest" stable
release.  It's averaging over 100 patches a week.  About 30-40 of them
aer relevant for the 3.4 kernel, so that means you would have to do
research on 60-70 patches a week.

Who would be willing to look at that stream?  Again, I sure don't...

thanks,

greg k-h
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