Stuck btrfs-cleaner on 4.7 and 4.6

2016-08-21 Thread Jean-Denis Girard
Hi list, After upgrading my Fedora 23 system from 4.4.12 to 4.7.2, I'm seeing one btrfs-cleaner process stuck at 100% CPU. The problem disappears when going back to 4.4 kernel (4.4.17), but is also present with Fedora kernel 4.6.6-200.fc23. 4.4.12 and 4.4.17 are built from source, with 2 patches

Re: Will Btrfs have an official command to "uncow" existing files?

2016-08-21 Thread Duncan
Tomokhov Alexander posted on Sun, 21 Aug 2016 21:59:36 +0300 as excerpted: > Btrfs wiki FAQ gives a link to example Python script: > https://github.com/stsquad/scripts/blob/master/uncow.py > > But such a crucial and fundamental tool must exist in stock btrfs-progs. > Filesystem with CoW technolog

Re: [PATCH] Btrfs: detect corruption when non-root leaf has zero item

2016-08-21 Thread Liu Bo
On Tue, Aug 16, 2016 at 07:07:28PM +0200, David Sterba wrote: > On Wed, Aug 03, 2016 at 09:57:08PM -0700, Liu Bo wrote: > > Right now we treat leaf which has zero item as a valid one > > because we could have an empty tree, that is, a root that is > > also a leaf without any item, however, in the s

Will Btrfs have an official command to "uncow" existing files?

2016-08-21 Thread Tomokhov Alexander
Btrfs wiki FAQ gives a link to example Python script: https://github.com/stsquad/scripts/blob/master/uncow.py But such a crucial and fundamental tool must exist in stock btrfs-progs. Filesystem with CoW technology at it's core must provide user sufficient control over CoW aspects. Running 3rd-p

Re: Strange behavior after "rm -rf //"

2016-08-21 Thread Ivan Sizov
Duncan, you was right. The commit didn't happen and nothing was deleted except ext4 /boot. the System booted normally after GRUB2 and kernel recovery. Thank you much. P.S. I'm sorry for the late answer. 2016-08-09 23:30 GMT+03:00 Duncan <1i5t5.dun...@cox.net>: > Chris Murphy posted on Tue, 09 Au

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2016-08-21 Thread Robert David
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