Re: [PATCH 0/8] btrfs-progs: qgroups usability [corrected]

[Qu Wenruo <quwenruo.btrfs@gmx.com>]

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On 2018年03月03日 02:46, jeffm@suse.com wrote:
> From: Jeff Mahoney <jeffm@suse.com>
> 
> Hi all -
> 
> The following series addresses some usability issues with the qgroups UI.
> 
> 1) Adds -W option so we can wait on a rescan completing without starting one.
> 2) Adds qgroup information to 'btrfs subvolume show'
> 3) Adds a -P option to show pathnames for first-level qgroups (or member
>    of nested qgroups with -v)
> 4) Allows exporting the qgroup table in JSON format for use by external
>    programs/scripts.

Going to review the patchset in the following days, but I'm pretty
curious about this feature.

Is there any plan to implement similar json interface for other tools?
Or just qgroup only yet?

Thanks,
Qu

> 
> -Jeff
> 
> Jeff Mahoney (8):
>   btrfs-progs: quota: Add -W option to rescan to wait without starting
>     rescan
>   btrfs-progs: qgroups: fix misleading index check
>   btrfs-progs: constify pathnames passed as arguments
>   btrfs-progs: qgroups: add pathname to show output
>   btrfs-progs: qgroups: introduce and use info and limit structures
>   btrfs-progs: qgroups: introduce btrfs_qgroup_query
>   btrfs-progs: subvolume: add quota info to btrfs sub show
>   btrfs-progs: qgroups: export qgroups usage information as JSON
> 
>  Documentation/btrfs-qgroup.asciidoc |   8 +
>  Documentation/btrfs-quota.asciidoc  |  10 +-
>  Makefile.inc.in                     |   4 +-
>  chunk-recover.c                     |   4 +-
>  cmds-device.c                       |   2 +-
>  cmds-fi-usage.c                     |   6 +-
>  cmds-qgroup.c                       |  49 +++-
>  cmds-quota.c                        |  21 +-
>  cmds-rescue.c                       |   4 +-
>  cmds-subvolume.c                    |  46 ++++
>  configure.ac                        |   6 +
>  kerncompat.h                        |   1 +
>  qgroup.c                            | 526 ++++++++++++++++++++++++++++++------
>  qgroup.h                            |  22 +-
>  send-utils.c                        |   4 +-
>  utils.c                             |  22 +-
>  utils.h                             |   2 +
>  17 files changed, 621 insertions(+), 116 deletions(-)
> 


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