Re: [PATCH 09/10] Btrfs: add tracepoint for em's EEXIST case

2018-01-02 Thread Liu Bo
On Sat, Dec 23, 2017 at 09:39:00AM +0200, Nikolay Borisov wrote: > > > On 22.12.2017 21:07, Liu Bo wrote: > > On Fri, Dec 22, 2017 at 10:56:31AM +0200, Nikolay Borisov wrote: > >> > >> > >> On 22.12.2017 00:42, Liu Bo wrote: > >>> This is adding a tracepoint 'btrfs_handle_em_exist' to help debug

Re: [PATCH 09/10] Btrfs: add tracepoint for em's EEXIST case

2017-12-22 Thread Nikolay Borisov
On 22.12.2017 21:07, Liu Bo wrote: > On Fri, Dec 22, 2017 at 10:56:31AM +0200, Nikolay Borisov wrote: >> >> >> On 22.12.2017 00:42, Liu Bo wrote: >>> This is adding a tracepoint 'btrfs_handle_em_exist' to help debug the >>> subtle bugs around merge_extent_mapping. >> >> In the next patch you are

Re: [PATCH 09/10] Btrfs: add tracepoint for em's EEXIST case

2017-12-22 Thread Liu Bo
On Fri, Dec 22, 2017 at 10:56:31AM +0200, Nikolay Borisov wrote: > > > On 22.12.2017 00:42, Liu Bo wrote: > > This is adding a tracepoint 'btrfs_handle_em_exist' to help debug the > > subtle bugs around merge_extent_mapping. > > In the next patch you are already making the function which takes

Re: [PATCH 09/10] Btrfs: add tracepoint for em's EEXIST case

2017-12-22 Thread Nikolay Borisov
On 22.12.2017 00:42, Liu Bo wrote: > This is adding a tracepoint 'btrfs_handle_em_exist' to help debug the > subtle bugs around merge_extent_mapping. In the next patch you are already making the function which takes all these values noinline, meaning you can attach a kprobe so you can

[PATCH 09/10] Btrfs: add tracepoint for em's EEXIST case

2017-12-21 Thread Liu Bo
This is adding a tracepoint 'btrfs_handle_em_exist' to help debug the subtle bugs around merge_extent_mapping. Signed-off-by: Liu Bo --- fs/btrfs/extent_map.c| 1 + include/trace/events/btrfs.h | 35 +++ 2 files changed, 36