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authorNikolay Borisov <nborisov@suse.com>2021-01-22 12:58:05 +0300
committerDavid Sterba <dsterba@suse.com>2021-02-09 00:58:55 +0300
commite9aa7c285d20a69ce1fb940ec846686780af9e56 (patch)
treed9f0085bfd90fb5edbc5f9417d2e7ff89e0c0bac /fs/btrfs/Makefile
parent71c36788b9253f086d09763b98804ed473e12a3b (diff)
downloadlinux-e9aa7c285d20a69ce1fb940ec846686780af9e56.tar.xz
btrfs: enable W=1 checks for btrfs
Now that the btrfs' codebase is clean of almost all W=1 warnings let's enable those checks unconditionally for the entire fs/btrfs/ and its subdirectories to catch potential errors during development. Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> [ add some comments ] Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/Makefile')
-rw-r--r--fs/btrfs/Makefile16
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index 9f1b1a88e317..e45957319424 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -1,5 +1,21 @@
# SPDX-License-Identifier: GPL-2.0
+# Subset of W=1 warnings
+subdir-ccflags-y += -Wextra -Wunused -Wno-unused-parameter
+subdir-ccflags-y += -Wmissing-declarations
+subdir-ccflags-y += -Wmissing-format-attribute
+subdir-ccflags-y += -Wmissing-prototypes
+subdir-ccflags-y += -Wold-style-definition
+subdir-ccflags-y += -Wmissing-include-dirs
+subdir-ccflags-y += $(call cc-option, -Wunused-but-set-variable)
+subdir-ccflags-y += $(call cc-option, -Wunused-const-variable)
+subdir-ccflags-y += $(call cc-option, -Wpacked-not-aligned)
+subdir-ccflags-y += $(call cc-option, -Wstringop-truncation)
+# The following turn off the warnings enabled by -Wextra
+subdir-ccflags-y += -Wno-missing-field-initializers
+subdir-ccflags-y += -Wno-sign-compare
+subdir-ccflags-y += -Wno-type-limits
+
obj-$(CONFIG_BTRFS_FS) := btrfs.o
btrfs-y += super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \