lib: Export errname

errname() returns the name of an errcode; this functionality is
otherwise only available for error pointers via %pE - bcachefs uses this
for better error messages.

Signed-off-by: Christopher James Halse Rogers <raof@ubuntu.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/errname.c b/lib/errname.c
index 67739b174a8c..dd1b998552cd 100644
--- a/lib/errname.c
+++ b/lib/errname.c
@@ -228,3 +228,4 @@ const char *errname(int err)
 
 	return err > 0 ? name + 1 : name;
 }
+EXPORT_SYMBOL(errname);