[Devel] review last vz7 patches to port them to vz9

[Kirill Tkhai]

On 31.12.2021 12:42, Vasily Averin wrote:
> Kirill, Kostja, Nikita, Pavel,
> 
> Please take look at attached vz7 patches to clarify:
> should them ported to vz9 or not?
> 
> To Pavel:
> a0cdc1cf72c4 cgroup/ve: at container start only check virtualizable cgroups
>  "proc/mounts: add cursor" related patches, especially  
> 0aee0dc817d1 proc/mounts: fix skipping mount after cursor
> 9f4f95d6878e sync: sync_collect_filesystems: fix possible infinite loop
> 
> To Nikita:
> db80e99e2409 mm: high order allocation detector
> 0147918f0ec3 ve/posix_timers: adjust CLOCK_BOOTTIME for CT
> 
> To Kirill: (FITRIM, ext4, ploop, pfcache?)
> 27a92eebdab4 ve: Add option allowing ioctl(FITRIM) from inside CT
> c76d350fcaf4 fixup for "ve: Add option allowing ioctl(FITRIM) from inside CT"

Not needed, this was for debug purposes.

> f198023f31c6 fs/ext4: Make "lazytime" mount option by default

Better ask Kostya.

> ddc33f38cc64 ext4: Use initial count in ext4_ind_direct_IO()

Not needed, this is our fixup for our port of ms code.
 
> c15a5ba1b836 ploop: Use preallocation for ext4
> dfb578614c41 ploop: Fix leak of discard kreq
> 004f568630f7 ploop: Track if we have delta with disable_merge
> 54b4ddbd65f8 ploop: Check disable_merge only if there is a delta with such method
> 2b8d9cf32c04 ploop: Fix partition refcounter leak
> c65cfe6f83d9 ploop: Sanity in kaio_open()

Not needed.

> 6dc84e083c94 pfcache: Fix unitialized s_csum_partial

This will be needed only in case of we decide to port pfcache.

> To Kostja: (configs, ub, fuse???)
> 
> affab14d5490 configs: change the default cpufreq governor to "performance"
> 
> 2db0f3333215 ub: ub_ratelimit does not initialize ub_ratelimit->lock
> cd015897ebd4 ub: correct _ub_get_css() retvalue for dying/stopped containers
>     (VvS: it fixes /proc/bc/xxx output, is it still actual for vz9?)
> 
> fs/fuse kio: share stucked requests count for prometheus stats
> fs/fuse kio: don't use kio with uninitialized statistic
> fs/fuse: a typo resulting in corruption of page cache and kernel crash
> fs/fuse: released handle could be used in fiemap
> fs/fuse: avoid triggering BUG_ON at file close
> fuse: illegal access to file in vstorage
> fuse/pcs: missing initialization of client role