diff options
Diffstat (limited to 'fs/btrfs/backref.c')
| -rw-r--r-- | fs/btrfs/backref.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 33056c4c0528..430974cf3b96 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1111,10 +1111,12 @@ static int add_inline_refs(struct btrfs_backref_walk_ctx *ctx, root = btrfs_extent_data_ref_root(leaf, dref); - ret = add_indirect_ref(ctx->fs_info, preftrees, root, - &key, 0, ctx->bytenr, count, - sc, GFP_NOFS); - + if (!ctx->skip_data_ref || + !ctx->skip_data_ref(root, key.objectid, key.offset, + ctx->user_ctx)) + ret = add_indirect_ref(ctx->fs_info, preftrees, + root, &key, 0, ctx->bytenr, + count, sc, GFP_NOFS); break; } default: @@ -1133,8 +1135,9 @@ static int add_inline_refs(struct btrfs_backref_walk_ctx *ctx, * * Returns 0 on success, <0 on error, or BACKREF_FOUND_SHARED. */ -static int add_keyed_refs(struct btrfs_root *extent_root, - struct btrfs_path *path, u64 bytenr, +static int add_keyed_refs(struct btrfs_backref_walk_ctx *ctx, + struct btrfs_root *extent_root, + struct btrfs_path *path, int info_level, struct preftrees *preftrees, struct share_check *sc) { @@ -1157,7 +1160,7 @@ static int add_keyed_refs(struct btrfs_root *extent_root, leaf = path->nodes[0]; btrfs_item_key_to_cpu(leaf, &key, slot); - if (key.objectid != bytenr) + if (key.objectid != ctx->bytenr) break; if (key.type < BTRFS_TREE_BLOCK_REF_KEY) continue; @@ -1169,7 +1172,7 @@ static int add_keyed_refs(struct btrfs_root *extent_root, /* SHARED DIRECT METADATA backref */ ret = add_direct_ref(fs_info, preftrees, info_level + 1, key.offset, - bytenr, 1, NULL, GFP_NOFS); + ctx->bytenr, 1, NULL, GFP_NOFS); break; case BTRFS_SHARED_DATA_REF_KEY: { /* SHARED DIRECT FULL backref */ @@ -1180,14 +1183,14 @@ static int add_keyed_refs(struct btrfs_root *extent_root, struct btrfs_shared_data_ref); count = btrfs_shared_data_ref_count(leaf, sdref); ret = add_direct_ref(fs_info, preftrees, 0, - key.offset, bytenr, count, + key.offset, ctx->bytenr, count, sc, GFP_NOFS); break; } case BTRFS_TREE_BLOCK_REF_KEY: /* NORMAL INDIRECT METADATA backref */ ret = add_indirect_ref(fs_info, preftrees, key.offset, - NULL, info_level + 1, bytenr, + NULL, info_level + 1, ctx->bytenr, 1, NULL, GFP_NOFS); break; case BTRFS_EXTENT_DATA_REF_KEY: { @@ -1211,9 +1214,13 @@ static int add_keyed_refs(struct btrfs_root *extent_root, } root = btrfs_extent_data_ref_root(leaf, dref); - ret = add_indirect_ref(fs_info, preftrees, root, - &key, 0, bytenr, count, - sc, GFP_NOFS); + + if (!ctx->skip_data_ref || + !ctx->skip_data_ref(root, key.objectid, key.offset, + ctx->user_ctx)) + ret = add_indirect_ref(fs_info, preftrees, root, + &key, 0, ctx->bytenr, + count, sc, GFP_NOFS); break; } default: @@ -1466,7 +1473,7 @@ again: &preftrees, sc); if (ret) goto out; - ret = add_keyed_refs(root, path, ctx->bytenr, info_level, + ret = add_keyed_refs(ctx, root, path, info_level, &preftrees, sc); if (ret) goto out; |