summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/dev-replace.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/dev-replace.c')
-rw-r--r--fs/btrfs/dev-replace.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index f4928da964..79c4293ddf 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -550,8 +550,7 @@ bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
u64 physical)
{
struct btrfs_fs_info *fs_info = cache->fs_info;
- struct extent_map *em;
- struct map_lookup *map;
+ struct btrfs_chunk_map *map;
u64 chunk_offset = cache->start;
int num_extents, cur_extent;
int i;
@@ -567,9 +566,8 @@ bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
}
spin_unlock(&cache->lock);
- em = btrfs_get_chunk_map(fs_info, chunk_offset, 1);
- ASSERT(!IS_ERR(em));
- map = em->map_lookup;
+ map = btrfs_get_chunk_map(fs_info, chunk_offset, 1);
+ ASSERT(!IS_ERR(map));
num_extents = 0;
cur_extent = 0;
@@ -583,7 +581,7 @@ bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
cur_extent = i;
}
- free_extent_map(em);
+ btrfs_free_chunk_map(map);
if (num_extents > 1 && cur_extent < num_extents - 1) {
/*
@@ -828,25 +826,23 @@ static void btrfs_dev_replace_update_device_in_mapping_tree(
struct btrfs_device *srcdev,
struct btrfs_device *tgtdev)
{
- struct extent_map_tree *em_tree = &fs_info->mapping_tree;
- struct extent_map *em;
- struct map_lookup *map;
u64 start = 0;
int i;
- write_lock(&em_tree->lock);
+ write_lock(&fs_info->mapping_tree_lock);
do {
- em = lookup_extent_mapping(em_tree, start, (u64)-1);
- if (!em)
+ struct btrfs_chunk_map *map;
+
+ map = btrfs_find_chunk_map_nolock(fs_info, start, U64_MAX);
+ if (!map)
break;
- map = em->map_lookup;
for (i = 0; i < map->num_stripes; i++)
if (srcdev == map->stripes[i].dev)
map->stripes[i].dev = tgtdev;
- start = em->start + em->len;
- free_extent_map(em);
+ start = map->start + map->chunk_len;
+ btrfs_free_chunk_map(map);
} while (start);
- write_unlock(&em_tree->lock);
+ write_unlock(&fs_info->mapping_tree_lock);
}
static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,