From: Michael Jeanson <mjeanson@efficios.com>
Date: Thu, 7 Jun 2018 19:48:30 +0000 (-0400)
Subject: Add btrfs tracepoint for em's EEXIST case
X-Git-Tag: v2.10.13~10
X-Git-Url: http://git.liburcu.org/?a=commitdiff_plain;h=619cabe7f5f7a776eff86da1e033e9311c3ad466;hp=619cabe7f5f7a776eff86da1e033e9311c3ad466;p=lttng-modules.git

Add btrfs tracepoint for em's EEXIST case

See upstream commits:

  commit 393da91819e35af538ef97c7c6a04899e2fbfe0e
  Author: Liu Bo <bo.li.liu@oracle.com>
  Date:   Fri Jan 5 12:51:16 2018 -0700

    Btrfs: add tracepoint for em's EEXIST case

    This is adding a tracepoint 'btrfs_handle_em_exist' to help debug the
    subtle bugs around merge_extent_mapping.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---