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btrfs: constify structs with op functions or static definitions

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There are some op tables that can be easily made const, similarly the
sysfs feature and raid tables. This is motivated by PaX CONSTIFY plugin.

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba
2015-01-02 18:23:10 +01:00
parent f749303bda
commit e8c9f18603
10 changed files with 13 additions and 11 deletions
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2
fs/btrfs/sysfs.c
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@@ -459,7 +459,7 @@ static inline struct btrfs_fs_info *to_fs_info(struct kobject *kobj)
static char btrfs_unknown_feature_names[3][NUM_FEATURE_BITS][13];
static struct btrfs_feature_attr btrfs_feature_attrs[3][NUM_FEATURE_BITS];
static u64 supported_feature_masks[3] = {
static const u64 supported_feature_masks[3] = {
[FEAT_COMPAT] = BTRFS_FEATURE_COMPAT_SUPP,
[FEAT_COMPAT_RO] = BTRFS_FEATURE_COMPAT_RO_SUPP,
[FEAT_INCOMPAT] = BTRFS_FEATURE_INCOMPAT_SUPP,