Hi,

[This is an automated email]

This commit has been processed because it contains a -stable tag. The stable tag indicates that it's relevant for the following trees: 4.4+

The bot has tested the following trees: v5.5.1, v5.4.17, v4.19.101, v4.14.169, v4.9.212, v4.4.212.

v5.5.1: Build OK! v5.4.17: Build OK! v4.19.101: Build OK! v4.14.169: Build OK! v4.9.212: Build failed! Errors: fs/btrfs/extent_map.c:238:6: error: implicit declaration of function ‘refcount_read’ [-Werror=implicit-function-declaration]

v4.4.212: Build failed! Errors: fs/btrfs/extent_map.c:238:6: error: implicit declaration of function ‘refcount_read’ [-Werror=implicit-function-declaration]

NOTE: The patch will not be queued to stable trees until it is upstream.

How should we proceed with this patch?