btrfs: constify remaining structs with function pointers

* struct extent_io_ops
* struct btrfs_free_space_op

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index cfe99be..ed8a3b7 100644 (file)
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2016,7 +2016,7 @@ static bool use_bitmap(struct btrfs_free_space_ctl *ctl,
        return true;
 }
 
-static struct btrfs_free_space_op free_space_op = {
+static const struct btrfs_free_space_op free_space_op = {
        .recalc_thresholds      = recalculate_thresholds,
        .use_bitmap             = use_bitmap,
 };

diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h
index f251865..33178c4 100644 (file)
--- a/fs/btrfs/free-space-cache.h
+++ b/fs/btrfs/free-space-cache.h
@@ -37,7 +37,7 @@ struct btrfs_free_space_ctl {
        int total_bitmaps;
        int unit;
        u64 start;
-       struct btrfs_free_space_op *op;
+       const struct btrfs_free_space_op *op;
        void *private;
        struct mutex cache_writeout_mutex;
        struct list_head trimming_ranges;

diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index 767a605..53014e9 100644 (file)
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -334,7 +334,7 @@ static bool use_bitmap(struct btrfs_free_space_ctl *ctl,
        return true;
 }
 
-static struct btrfs_free_space_op free_ino_op = {
+static const struct btrfs_free_space_op free_ino_op = {
        .recalc_thresholds      = recalculate_thresholds,
        .use_bitmap             = use_bitmap,
 };
@@ -356,7 +356,7 @@ static bool pinned_use_bitmap(struct btrfs_free_space_ctl *ctl,
        return false;
 }
 
-static struct btrfs_free_space_op pinned_free_ino_op = {
+static const struct btrfs_free_space_op pinned_free_ino_op = {
        .recalc_thresholds      = pinned_recalc_thresholds,
        .use_bitmap             = pinned_use_bitmap,
 };

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0214a81..c4cfba7 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -74,7 +74,7 @@ static const struct inode_operations btrfs_file_inode_operations;
 static const struct address_space_operations btrfs_aops;
 static const struct address_space_operations btrfs_symlink_aops;
 static const struct file_operations btrfs_dir_file_operations;
-static struct extent_io_ops btrfs_extent_io_ops;
+static const struct extent_io_ops btrfs_extent_io_ops;
 
 static struct kmem_cache *btrfs_inode_cachep;
 struct kmem_cache *btrfs_trans_handle_cachep;
@@ -10020,7 +10020,7 @@ static const struct file_operations btrfs_dir_file_operations = {
        .fsync          = btrfs_sync_file,
 };
 
-static struct extent_io_ops btrfs_extent_io_ops = {
+static const struct extent_io_ops btrfs_extent_io_ops = {
        .fill_delalloc = run_delalloc_range,
        .submit_bio_hook = btrfs_submit_bio_hook,
        .merge_bio_hook = btrfs_merge_bio_hook,

diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c
index 46c2f29..69a11e6 100644 (file)
--- a/fs/btrfs/tests/free-space-tests.c
+++ b/fs/btrfs/tests/free-space-tests.c
@@ -445,11 +445,11 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache)
        int ret;
        u64 offset;
        u64 max_extent_size;
-       struct btrfs_free_space_op test_free_space_ops = {
+       const struct btrfs_free_space_op test_free_space_ops = {
                .recalc_thresholds = cache->free_space_ctl->op->recalc_thresholds,
                .use_bitmap = test_use_bitmap,
        };
-       struct btrfs_free_space_op *orig_free_space_ops;
+       const struct btrfs_free_space_op *orig_free_space_ops;
 
        test_msg("Running space stealing from bitmap to extent\n");