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btrbk: fix: "readonly" is required key for "btrfs subvolume show" output 

The "Flags: readonly|-" line is present as of btrfs-progs v4.6.1, and
is required in "target metadata check" of btrfs_send_receive().
pull/293/head
Axel Burri 2019-08-04 13:49:19 +02:00
parent 74be074e6f
commit 73108d2309
1 changed files with 5 additions and 4 deletions
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@ -1006,12 +1006,16 @@ sub btrfs_subvolume_show($;@)
}
DEBUG "Parsed " . scalar(keys %detail) . " subvolume detail items: $vol->{PRINT}";
# NOTE: as of btrfs-progs v4.6.1, flags are either "-" or "readonly"
$detail{readonly} = ($detail{flags} =~ /readonly/) ? 1 : 0 if($detail{flags});
# validate required keys
unless((defined($detail{parent_uuid}) && (($detail{parent_uuid} eq '-') || ($detail{parent_uuid} =~ /^$uuid_match$/))) &&
(defined($detail{id}) && ($detail{id} =~ /^\d+$/) && ($detail{id} >= 5)) &&
(defined($detail{gen}) && ($detail{gen} =~ /^\d+$/)) &&
(defined($detail{cgen}) && ($detail{cgen} =~ /^\d+$/)) &&
(defined($detail{top_level}) && ($detail{top_level} =~ /^\d+$/)))
(defined($detail{top_level}) && ($detail{top_level} =~ /^\d+$/)) &&
(defined($detail{readonly})))
{
ERROR "Failed to parse subvolume detail (unsupported btrfs-progs) for: $vol->{PRINT}";
return undef;
@ -1036,9 +1040,6 @@ sub btrfs_subvolume_show($;@)
return undef;
}
# NOTE: as of btrfs-progs v4.6.1, flags are either "-" or "readonly"
$detail{readonly} = ($detail{flags} =~ /readonly/) ? 1 : 0;
VINFO(\%detail, "detail") if($loglevel >=4);
}