btrfs: convert comments to fallthrough annotations

Convert fall through comments to the pseudo-keyword which is now the
preferred way.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 3a7648b..82ab6e5 100644 (file)
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1196,7 +1196,7 @@ __tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb,
                switch (tm->op) {
                case MOD_LOG_KEY_REMOVE_WHILE_FREEING:
                        BUG_ON(tm->slot < n);
-                       /* Fallthrough */
+                       fallthrough;
                case MOD_LOG_KEY_REMOVE_WHILE_MOVING:
                case MOD_LOG_KEY_REMOVE:
                        btrfs_set_node_key(eb, &tm->key, tm->slot);

diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c
index 7887317..af92525 100644 (file)
--- a/fs/btrfs/ref-verify.c
+++ b/fs/btrfs/ref-verify.c
@@ -509,7 +509,7 @@ static int process_leaf(struct btrfs_root *root,
                switch (key.type) {
                case BTRFS_EXTENT_ITEM_KEY:
                        *num_bytes = key.offset;
-                       /* fall through */
+                       fallthrough;
                case BTRFS_METADATA_ITEM_KEY:
                        *bytenr = key.objectid;
                        ret = process_extent_item(fs_info, path, &key, i,

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index bc73fd6..c3826ae 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -523,7 +523,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
                case Opt_compress_force:
                case Opt_compress_force_type:
                        compress_force = true;
-                       /* Fallthrough */
+                       fallthrough;
                case Opt_compress:
                case Opt_compress_type:
                        saved_compress_type = btrfs_test_opt(info,
@@ -622,7 +622,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
                        btrfs_set_opt(info->mount_opt, NOSSD);
                        btrfs_clear_and_info(info, SSD,
                                             "not using ssd optimizations");
-                       /* Fallthrough */
+                       fallthrough;
                case Opt_nossd_spread:
                        btrfs_clear_and_info(info, SSD_SPREAD,
                                             "not using spread ssd allocation scheme");
@@ -793,7 +793,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
                case Opt_recovery:
                        btrfs_warn(info,
                                   "'recovery' is deprecated, use 'usebackuproot' instead");
-                       /* fall through */
+                       fallthrough;
                case Opt_usebackuproot:
                        btrfs_info(info,
                                   "trying to use backup root at mount time");

diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index f067b59..75af233 100644 (file)
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -408,7 +408,7 @@ static inline enum btrfs_map_op btrfs_op(struct bio *bio)
                return BTRFS_MAP_WRITE;
        default:
                WARN_ON_ONCE(1);
-               /* fall through */
+               fallthrough;
        case REQ_OP_READ:
                return BTRFS_MAP_READ;
        }