On 2018年02月06日 00:20, Nikolay Borisov wrote:
>
>
> On 15.12.2017 12:05, Nikolay Borisov wrote:
>> Currently when enoscp_debug mount option is turned on we do not print
>> any debug info in case metadata reservation failures happen. Fix this
>> by adding the necessary hook in reserve_metadata_bytes.
>>
>> Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
Looks good.
Reviewed-by: Qu Wenruo <wqu@xxxxxxxx>
Thanks,
Qu
>> ---
>> fs/btrfs/extent-tree.c | 7 ++++++-
>> 1 file changed, 6 insertions(+), 1 deletion(-)
>>
>> diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
>> index 4497f937e8fb..7a281fc97bc5 100644
>> --- a/fs/btrfs/extent-tree.c
>> +++ b/fs/btrfs/extent-tree.c
>> @@ -5382,10 +5382,15 @@ static int reserve_metadata_bytes(struct btrfs_root *root,
>> !block_rsv_use_bytes(global_rsv, orig_bytes))
>> ret = 0;
>> }
>> - if (ret == -ENOSPC)
>> + if (ret == -ENOSPC) {
>> trace_btrfs_space_reservation(fs_info, "space_info:enospc",
>> block_rsv->space_info->flags,
>> orig_bytes, 1);
>> +
>> + if (btrfs_test_opt(fs_info, ENOSPC_DEBUG))
>> + dump_space_info(fs_info, block_rsv->space_info,
>> + orig_bytes, 0);
>> + }
>> return ret;
>> }
>>
>>
>
> Ping
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