From 590e2c4a1e82cd9b878bdaa70ab54026d0165bbc Mon Sep 17 00:00:00 2001 From: Filipe Manana Date: Wed, 3 Apr 2024 12:47:51 +0100 Subject: [PATCH] btrfs: remove no longer used btrfs_clone_chunk_map() There are no more users of btrfs_clone_chunk_map(), the last one (and only one ever) was removed in commit 1ec17ef59168 ("btrfs: zoned: fix use-after-free in do_zone_finish()"). So remove btrfs_clone_chunk_map(). Reviewed-by: Qu Wenruo Signed-off-by: Filipe Manana Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/volumes.c | 15 --------------- fs/btrfs/volumes.h | 1 - 2 files changed, 16 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index ef6bd2f4251b..b6a701011fb0 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -5615,21 +5615,6 @@ struct btrfs_chunk_map *btrfs_alloc_chunk_map(int num_stripes, gfp_t gfp) return map; } -struct btrfs_chunk_map *btrfs_clone_chunk_map(struct btrfs_chunk_map *map, gfp_t gfp) -{ - const int size = btrfs_chunk_map_size(map->num_stripes); - struct btrfs_chunk_map *clone; - - clone = kmemdup(map, size, gfp); - if (!clone) - return NULL; - - refcount_set(&clone->refs, 1); - RB_CLEAR_NODE(&clone->rb_node); - - return clone; -} - static struct btrfs_block_group *create_chunk(struct btrfs_trans_handle *trans, struct alloc_chunk_ctl *ctl, struct btrfs_device_info *devices_info) diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 93854609a4d5..cf555f5b47ce 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -743,7 +743,6 @@ struct btrfs_chunk_map *btrfs_alloc_chunk_map(int num_stripes, gfp_t gfp); int btrfs_add_chunk_map(struct btrfs_fs_info *fs_info, struct btrfs_chunk_map *map); #endif -struct btrfs_chunk_map *btrfs_clone_chunk_map(struct btrfs_chunk_map *map, gfp_t gfp); struct btrfs_chunk_map *btrfs_find_chunk_map(struct btrfs_fs_info *fs_info, u64 logical, u64 length); struct btrfs_chunk_map *btrfs_find_chunk_map_nolock(struct btrfs_fs_info *fs_info,