Re: [PATCH 1/1] btrfs-progs: introduce a proper structure on which cli will call register-device ioctl

[David Sterba <dsterba@xxxxxxx>]

On Wed, Oct 15, 2014 at 08:46:14AM +0800, Anand Jain wrote:
[...]
> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>

Thanks for the detailed changelog, the patch fixes xfstests/btrfs/006
failure, previously:

    @@ -1,6 +1,10 @@
     == QA output created by 006
     == Set filesystem label to TestLabel.006
    +ERROR: device scan failed '/dev/sdc2' - File exists
    +ERROR: device scan failed '/dev/sdc3' - File exists
     == Get filesystem label
    +ERROR: device scan failed '/dev/sdc2' - File exists
    +ERROR: device scan failed '/dev/sdc3' - File exists

though I now see another message (but haven't analyzed the cause yet):

    @@ -22,18 +22,21 @@
     <NUMDEVS> [SCRATCH_DEV].read_io_errs    <NUM>
     <NUMDEVS> [SCRATCH_DEV].write_io_errs   <NUM>
     == Show device stats by first/scratch dev
    +ERROR: ioctl(BTRFS_IOC_GET_DEV_STATS) on �oh failed: No such device
     [SCRATCH_DEV].corruption_errs <NUM>
     [SCRATCH_DEV].flush_io_errs   <NUM>
     [SCRATCH_DEV].generation_errs <NUM>
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