From 0379026f9c57691f658a114476033cb44a53bda2 Mon Sep 17 00:00:00 2001
From: Aravind <aravind.ramesh@wdc.com>
Date: Thu, 1 Sep 2022 13:01:43 +0530
Subject: [PATCH] crimson/zns: fix compilation warnings for C++20.
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Fix the following warning which is manifesting as a result of
the ceph adopting C++20.

warning: implicit capture of ‘this’ via ‘[=]’ is deprecated in C++20 [-Wdeprecated]

Signed-off-by: Aravind Ramesh <aravind.ramesh@wdc.com>
---
 src/crimson/os/seastore/segment_manager/zns.cc | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/crimson/os/seastore/segment_manager/zns.cc b/src/crimson/os/seastore/segment_manager/zns.cc
index 6f3f22465bb1..ccf7eb1ee272 100644
--- a/src/crimson/os/seastore/segment_manager/zns.cc
+++ b/src/crimson/os/seastore/segment_manager/zns.cc
@@ -309,11 +309,11 @@ ZNSSegmentManager::mount_ret ZNSSegmentManager::mount()
 {
   return open_device(
     device_path, seastar::open_flags::rw
-  ).safe_then([=](auto p) {
+  ).safe_then([=, this](auto p) {
     device = std::move(p.first);
     auto sd = p.second;
     return read_metadata(device, sd);
-  }).safe_then([=](auto meta){
+  }).safe_then([=, this](auto meta){
     metadata = meta;
     return mount_ertr::now();
   });
@@ -331,11 +331,11 @@ ZNSSegmentManager::mkfs_ret ZNSSegmentManager::mkfs(
     size_t(),
     size_t(),
     size_t(),
-    [=](auto &device, auto &stat, auto &sb, auto &zone_size_sects, auto &nr_zones, auto &size) {
+    [=, this](auto &device, auto &stat, auto &sb, auto &zone_size_sects, auto &nr_zones, auto &size) {
       return open_device(
 	device_path,
 	seastar::open_flags::rw
-      ).safe_then([=, &device, &stat, &sb, &zone_size_sects, &nr_zones, &size](auto p) {
+      ).safe_then([=, this, &device, &stat, &sb, &zone_size_sects, &nr_zones, &size](auto p) {
 	device = p.first;
 	stat = p.second;
 	return device.ioctl(
@@ -423,7 +423,7 @@ ZNSSegmentManager::open_ertr::future<SegmentRef> ZNSSegmentManager::open(
   LOG_PREFIX(ZNSSegmentManager::open);
   return seastar::do_with(
     blk_zone_range{},
-    [=](auto &range) {
+    [=, this](auto &range) {
       range = make_range(
 	id,
 	metadata.segment_size,
@@ -433,7 +433,7 @@ ZNSSegmentManager::open_ertr::future<SegmentRef> ZNSSegmentManager::open(
 	range
       );
     }
-  ).safe_then([=] {
+  ).safe_then([=, this] {
     DEBUG("segment {}, open successful", id);
     return open_ertr::future<SegmentRef>(
       open_ertr::ready_future_marker{},
@@ -528,7 +528,7 @@ ZNSSegmentManager::release_ertr::future<> ZNSSegmentManager::release(
   DEBUG("Resetting zone/segment {}", id);
   return seastar::do_with(
     blk_zone_range{},
-    [=](auto &range) {
+    [=, this](auto &range) {
       range = make_range(
 	id,
 	metadata.segment_size,
@@ -576,7 +576,7 @@ Segment::close_ertr::future<> ZNSSegmentManager::segment_close(
   LOG_PREFIX(ZNSSegmentManager::segment_close);
   return seastar::do_with(
     blk_zone_range{},
-    [=](auto &range) {
+    [=, this](auto &range) {
       range = make_range(
 	id,
 	metadata.segment_size,
-- 
2.47.3