From: Josef Bacik <jbacik@fusionio.com>
To: Anand Jain <anand.jain@oracle.com>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 2/2 v2] btrfs: add framework to read fs info and dev info from the kernel
Date: Mon, 10 Jun 2013 15:40:30 -0400 [thread overview]
Message-ID: <20130610194030.GB10307@localhost.localdomain> (raw)
In-Reply-To: <1370876355-16584-3-git-send-email-anand.jain@oracle.com>
On Mon, Jun 10, 2013 at 08:59:15AM -0600, Anand Jain wrote:
> This adds two ioctl BTRFS_IOC_GET_FSIDS and BTRFS_IOC_GET_DEVS
> which reads the btrfs_fs_devices and btrfs_device structure
> from the kernel respectively.
>
> The information in these structure are useful to report the
> device/fs information in line with the kernel operations and
> thus immediately addresses the problem that 'btrfs fi show'
> command reports the stale information after device device add
> remove operation is performed. That is because btrfs fi show
> reads the disks directly.
>
> Further the frame-work provided here would help to enhance
> the btrfs-progs/library to read the other fs information and
> its device information. Also the frame work provided here is
> easily extensible to retrieve any other structure as future
> needs.
>
Please submit an xfstest along with this to test the new functionality so we
have something to test it with. Make sure it runs properly if your patches are
not in place since they obviously won't be for most people. Once you have an
xfstest I can properly test these patches. Thanks,
Josef
next prev parent reply other threads:[~2013-06-10 19:40 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-10 14:56 [PATCH 0/9] btrfs-progs: coalesce of patches Anand Jain
2013-06-10 14:56 ` [PATCH 1/9] btrfs-progs: btrfs_scan_for_fsid doesn't need all the arguments Anand Jain
2013-06-10 20:00 ` Eric Sandeen
2013-06-11 13:15 ` anand jain
2013-06-10 14:56 ` [PATCH 2/9 v2] btrfs-progs: label option in btrfs filesystem show is not coded Anand Jain
2013-06-10 14:56 ` [PATCH 3/9 v2] btrfs-progs: update device scan usage Anand Jain
2013-06-10 14:56 ` [PATCH 4/9 v3] btrfs-progs: congregate dev scan Anand Jain
2013-06-10 14:56 ` [PATCH 5/9 v2] btrfs-progs: btrfs_scan_one_dir not to skip links when /dev/mapper is provided Anand Jain
2013-06-10 14:56 ` [PATCH 6/9 v2] btrfs-progs: scan /dev/mapper in filesystem show and device scan Anand Jain
2013-06-10 14:56 ` [PATCH 7/9 v3] btrfs-progs: device delete to get errors from the kernel Anand Jain
2013-06-10 14:56 ` [PATCH 8/9] btrfs-progs: get_label_mounted to return label instead of print Anand Jain
2013-06-21 7:41 ` [PATCH 08/13 v2] " Anand Jain
2013-06-10 14:56 ` [PATCH 9/9 v2] btrfs-progs: introduce btrfs filesystem show --kernel Anand Jain
2013-06-10 14:59 ` [PATCH 0/2] btrfs: coalesce of patches Anand Jain
2013-06-10 14:59 ` [PATCH 1/2] btrfs: device delete to get errors from the kernel Anand Jain
2013-06-10 14:59 ` [PATCH 2/2 v2] btrfs: add framework to read fs info and dev info " Anand Jain
2013-06-10 19:40 ` Josef Bacik [this message]
2013-06-11 13:10 ` anand jain
2013-06-11 13:15 ` Josef Bacik
2013-06-10 20:30 ` Zach Brown
2013-06-11 14:05 ` anand jain
2013-06-11 17:50 ` Zach Brown
2013-06-11 14:24 ` Josef Bacik
2013-06-21 7:02 ` Anand Jain
2013-06-21 7:32 ` [PATCH 2/2 v3] btrfs: obtain used_bytes in BTRFS_IOC_FS_INFO ioctl Anand Jain
2013-06-24 17:03 ` Josef Bacik
2013-06-25 3:00 ` Anand Jain
2013-07-08 7:39 ` [PATCH 13/13] btrfs-progs: fix memory leaks of device_list_add() Anand Jain
2013-07-15 4:58 ` Anand Jain
2013-07-15 5:30 ` [PATCH 00/11 v2 (resend)] btrfs-progs: coalesce of patches Anand Jain
2013-07-15 5:30 ` [PATCH 01/11] btrfs-progs: btrfs_scan_for_fsid doesn't need all the arguments Anand Jain
2013-07-15 5:30 ` [PATCH 02/11] btrfs-progs: label option in btrfs filesystem show is not coded Anand Jain
2013-07-15 5:30 ` [PATCH 03/11] btrfs-progs: update device scan usage Anand Jain
2013-07-15 5:30 ` [PATCH 04/11] btrfs-progs: congregate dev scan Anand Jain
2013-07-15 5:30 ` [PATCH 05/11] btrfs-progs: btrfs_scan_one_dir not to skip links when /dev/mapper is provided Anand Jain
2013-08-05 16:53 ` David Sterba
2013-07-15 5:30 ` [PATCH 06/11] btrfs-progs: scan /dev/mapper in filesystem show and device scan Anand Jain
2013-08-05 17:04 ` David Sterba
2013-08-13 4:07 ` anand jain
2013-07-15 5:30 ` [PATCH 07/11] btrfs-progs: device delete to get errors from the kernel Anand Jain
2013-07-15 5:30 ` [PATCH 08/11] btrfs-progs: get_label_mounted to return label instead of print Anand Jain
2013-07-15 5:30 ` [PATCH 09/11] btrfs-progs: move out print in cmd_df to another function Anand Jain
2013-07-15 5:30 ` [PATCH 10/11] btrfs-progs: get string for the group profile and type Anand Jain
2013-07-15 5:30 ` [PATCH 11/11] btrfs-progs: introduce btrfs filesystem show --kernel Anand Jain
2013-08-05 17:36 ` [PATCH 00/11 v2 (resend)] btrfs-progs: coalesce of patches David Sterba
2013-08-06 15:08 ` anand jain
2013-08-08 8:07 ` [PATCH 0/2 v2] introduce btrfs filesystem show --kernel Anand Jain
2013-08-08 8:07 ` [PATCH 1/2] btrfs-progs: move out print in cmd_df to another function Anand Jain
2013-08-08 8:07 ` [PATCH 2/2] btrfs-progs: introduce btrfs filesystem show --kernel Anand Jain
2013-08-08 18:08 ` Zach Brown
2013-08-09 10:57 ` anand jain
2013-08-09 18:03 ` Zach Brown
2013-08-08 8:09 ` [PATCH 0/2] scan /dev/mapper in filesystem show and device scan Anand Jain
2013-08-08 8:09 ` [PATCH 1/2] btrfs-progs: btrfs_scan_one_dir not to skip links when /dev/mapper is provided Anand Jain
2013-08-08 8:09 ` [PATCH 2/2] btrfs-progs: scan /dev/mapper in filesystem show and device scan Anand Jain
2013-08-08 8:10 ` [PATCH 0/2] " anand jain
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