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btrfs: remove no longer used btrfs_clone_chunk_map()

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There are no more users of btrfs_clone_chunk_map(), the last one (and
only one ever) was removed in commit 1ec17ef591 ("btrfs: zoned: fix
use-after-free in do_zone_finish()"). So remove btrfs_clone_chunk_map().

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana 2024-04-03 12:47:51 +01:00 committed by David Sterba
parent 606a1c5de1
commit 590e2c4a1e
2 changed files with 0 additions and 16 deletions
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15
fs/btrfs/volumes.c
View File

@ -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)

1
fs/btrfs/volumes.h
View File

@ -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,