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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c124
1 files changed, 71 insertions, 53 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e9376b1657e2..61b494e8e604 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2180,7 +2180,7 @@ static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
path, bytenr, parent, root_objectid,
owner, offset, refs_to_add);
if (ret)
- btrfs_abort_transaction(trans, root, ret);
+ btrfs_abort_transaction(trans, ret);
out:
btrfs_free_path(path);
return ret;
@@ -2204,7 +2204,7 @@ static int run_delayed_data_ref(struct btrfs_trans_handle *trans,
ins.type = BTRFS_EXTENT_ITEM_KEY;
ref = btrfs_delayed_node_to_data_ref(node);
- trace_run_delayed_data_ref(node, ref, node->action);
+ trace_run_delayed_data_ref(root->fs_info, node, ref, node->action);
if (node->type == BTRFS_SHARED_DATA_REF_KEY)
parent = ref->parent;
@@ -2359,7 +2359,7 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans,
SKINNY_METADATA);
ref = btrfs_delayed_node_to_tree_ref(node);
- trace_run_delayed_tree_ref(node, ref, node->action);
+ trace_run_delayed_tree_ref(root->fs_info, node, ref, node->action);
if (node->type == BTRFS_SHARED_BLOCK_REF_KEY)
parent = ref->parent;
@@ -2423,7 +2423,8 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans,
*/
BUG_ON(extent_op);
head = btrfs_delayed_node_to_head(node);
- trace_run_delayed_ref_head(node, head, node->action);
+ trace_run_delayed_ref_head(root->fs_info, node, head,
+ node->action);
if (insert_reserved) {
btrfs_pin_extent(root, node->bytenr,
@@ -2778,7 +2779,7 @@ u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes)
u64 num_csums_per_leaf;
u64 num_csums;
- csum_size = BTRFS_LEAF_DATA_SIZE(root) - sizeof(struct btrfs_item);
+ csum_size = BTRFS_MAX_ITEM_SIZE(root);
num_csums_per_leaf = div64_u64(csum_size,
(u64)btrfs_super_csum_size(root->fs_info->super_copy));
num_csums = div64_u64(csum_bytes, root->sectorsize);
@@ -2970,7 +2971,7 @@ again:
trans->can_flush_pending_bgs = false;
ret = __btrfs_run_delayed_refs(trans, root, count);
if (ret < 0) {
- btrfs_abort_transaction(trans, root, ret);
+ btrfs_abort_transaction(trans, ret);
return ret;
}
@@ -3234,7 +3235,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
u64, u64, u64, u64, u64, u64);
- if (btrfs_test_is_dummy_root(root))
+ if (btrfs_is_testing(root->fs_info))
return 0;
ref_root = btrfs_header_owner(buf);
@@ -3429,7 +3430,7 @@ again:
* transaction, this only happens in really bad situations
* anyway.
*/
- btrfs_abort_transaction(trans, root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out_put;
}
WARN_ON(ret);
@@ -3447,7 +3448,7 @@ again:
spin_lock(&block_group->lock);
if (block_group->cached != BTRFS_CACHE_FINISHED ||
- !btrfs_test_opt(root, SPACE_CACHE)) {
+ !btrfs_test_opt(root->fs_info, SPACE_CACHE)) {
/*
* don't bother trying to write stuff out _if_
* a) we're not cached,
@@ -3524,7 +3525,7 @@ int btrfs_setup_space_cache(struct btrfs_trans_handle *trans,
struct btrfs_path *path;
if (list_empty(&cur_trans->dirty_bgs) ||
- !btrfs_test_opt(root, SPACE_CACHE))
+ !btrfs_test_opt(root->fs_info, SPACE_CACHE))
return 0;
path = btrfs_alloc_path();
@@ -3669,7 +3670,7 @@ again:
}
spin_unlock(&cur_trans->dirty_bgs_lock);
} else if (ret) {
- btrfs_abort_transaction(trans, root, ret);
+ btrfs_abort_transaction(trans, ret);
}
}
@@ -3815,7 +3816,7 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans,
cache);
}
if (ret)
- btrfs_abort_transaction(trans, root, ret);
+ btrfs_abort_transaction(trans, ret);
}
/* if its not on the io list, we need to put the block group */
@@ -4443,7 +4444,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans,
thresh = btrfs_calc_trunc_metadata_size(root, num_devs) +
btrfs_calc_trans_metadata_size(root, 1);
- if (left < thresh && btrfs_test_opt(root, ENOSPC_DEBUG)) {
+ if (left < thresh && btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) {
btrfs_info(root->fs_info, "left=%llu, need=%llu, flags=%llu",
left, thresh, type);
dump_space_info(info, 0, 0);
@@ -4588,7 +4589,7 @@ out:
*/
if (trans->can_flush_pending_bgs &&
trans->chunk_bytes_reserved >= (u64)SZ_2M) {
- btrfs_create_pending_block_groups(trans, trans->root);
+ btrfs_create_pending_block_groups(trans, extent_root);
btrfs_trans_release_chunk_metadata(trans);
}
return ret;
@@ -5729,7 +5730,7 @@ void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
*/
void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans)
{
- struct btrfs_fs_info *fs_info = trans->root->fs_info;
+ struct btrfs_fs_info *fs_info = trans->fs_info;
if (!trans->chunk_bytes_reserved)
return;
@@ -6100,7 +6101,7 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes)
if (dropped > 0)
to_free += btrfs_calc_trans_metadata_size(root, dropped);
- if (btrfs_test_is_dummy_root(root))
+ if (btrfs_is_testing(root->fs_info))
return;
trace_btrfs_space_reservation(root->fs_info, "delalloc",
@@ -6215,7 +6216,7 @@ static int update_block_group(struct btrfs_trans_handle *trans,
spin_lock(&cache->space_info->lock);
spin_lock(&cache->lock);
- if (btrfs_test_opt(root, SPACE_CACHE) &&
+ if (btrfs_test_opt(root->fs_info, SPACE_CACHE) &&
cache->disk_cache_state < BTRFS_DC_CLEAR)
cache->disk_cache_state = BTRFS_DC_CLEAR;
@@ -6597,7 +6598,7 @@ fetch_cluster_info(struct btrfs_root *root, struct btrfs_space_info *space_info,
u64 *empty_cluster)
{
struct btrfs_free_cluster *ret = NULL;
- bool ssd = btrfs_test_opt(root, SSD);
+ bool ssd = btrfs_test_opt(root->fs_info, SSD);
*empty_cluster = 0;
if (btrfs_mixed_space_info(space_info))
@@ -6742,7 +6743,7 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
break;
}
- if (btrfs_test_opt(root, DISCARD))
+ if (btrfs_test_opt(root->fs_info, DISCARD))
ret = btrfs_discard_extent(root, start,
end + 1 - start, NULL);
@@ -6880,7 +6881,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
NULL, refs_to_drop,
is_data, &last_ref);
if (ret) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
btrfs_release_path(path);
@@ -6929,7 +6930,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
path->nodes[0]);
}
if (ret < 0) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
extent_slot = path->slots[0];
@@ -6940,10 +6941,10 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
"unable to find ref byte nr %llu parent %llu root %llu owner %llu offset %llu",
bytenr, parent, root_objectid, owner_objectid,
owner_offset);
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
} else {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
@@ -6955,7 +6956,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
ret = convert_extent_item_v0(trans, extent_root, path,
owner_objectid, 0);
if (ret < 0) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
@@ -6974,7 +6975,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
btrfs_print_leaf(extent_root, path->nodes[0]);
}
if (ret < 0) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
@@ -6999,7 +7000,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
btrfs_err(info, "trying to drop %d refs but we only have %Lu "
"for bytenr %Lu", refs_to_drop, refs, bytenr);
ret = -EINVAL;
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
refs -= refs_to_drop;
@@ -7022,7 +7023,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
iref, refs_to_drop,
is_data, &last_ref);
if (ret) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
}
@@ -7045,7 +7046,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
ret = btrfs_del_items(trans, extent_root, path, path->slots[0],
num_to_del);
if (ret) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
btrfs_release_path(path);
@@ -7053,7 +7054,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
if (is_data) {
ret = btrfs_del_csums(trans, root, bytenr, num_bytes);
if (ret) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
}
@@ -7061,13 +7062,13 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
ret = add_to_free_space_tree(trans, root->fs_info, bytenr,
num_bytes);
if (ret) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
ret = update_block_group(trans, root, bytenr, num_bytes, 0);
if (ret) {
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out;
}
}
@@ -7216,7 +7217,7 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root,
int ret;
struct btrfs_fs_info *fs_info = root->fs_info;
- if (btrfs_test_is_dummy_root(root))
+ if (btrfs_is_testing(fs_info))
return 0;
add_pinned_bytes(root->fs_info, num_bytes, owner, root_objectid);
@@ -7851,8 +7852,7 @@ loop:
* can do more things.
*/
if (ret < 0 && ret != -ENOSPC)
- btrfs_abort_transaction(trans,
- root, ret);
+ btrfs_abort_transaction(trans, ret);
else
ret = 0;
if (!exist)
@@ -7906,8 +7906,8 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
printk(KERN_INFO "BTRFS: space_info %llu has %llu free, is %sfull\n",
info->flags,
info->total_bytes - info->bytes_used - info->bytes_pinned -
- info->bytes_reserved - info->bytes_readonly,
- (info->full) ? "" : "not ");
+ info->bytes_reserved - info->bytes_readonly -
+ info->bytes_may_use, (info->full) ? "" : "not ");
printk(KERN_INFO "BTRFS: space_info total=%llu, used=%llu, pinned=%llu, "
"reserved=%llu, may_use=%llu, readonly=%llu\n",
info->total_bytes, info->bytes_used, info->bytes_pinned,
@@ -7961,7 +7961,7 @@ again:
if (num_bytes == min_alloc_size)
final_tried = true;
goto again;
- } else if (btrfs_test_opt(root, ENOSPC_DEBUG)) {
+ } else if (btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) {
struct btrfs_space_info *sinfo;
sinfo = __find_space_info(root->fs_info, flags);
@@ -7992,7 +7992,7 @@ static int __btrfs_free_reserved_extent(struct btrfs_root *root,
if (pin)
pin_down_extent(root, cache, start, len, 1);
else {
- if (btrfs_test_opt(root, DISCARD))
+ if (btrfs_test_opt(root->fs_info, DISCARD))
ret = btrfs_discard_extent(root, start, len, NULL);
btrfs_add_free_space(cache, start, len);
btrfs_update_reserved_bytes(cache, len, RESERVE_FREE, delalloc);
@@ -8300,7 +8300,7 @@ again:
goto again;
}
- if (btrfs_test_opt(root, ENOSPC_DEBUG)) {
+ if (btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) {
static DEFINE_RATELIMIT_STATE(_rs,
DEFAULT_RATELIMIT_INTERVAL * 10,
/*DEFAULT_RATELIMIT_BURST*/ 1);
@@ -8354,13 +8354,15 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
bool skinny_metadata = btrfs_fs_incompat(root->fs_info,
SKINNY_METADATA);
- if (btrfs_test_is_dummy_root(root)) {
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+ if (btrfs_is_testing(root->fs_info)) {
buf = btrfs_init_new_buffer(trans, root, root->alloc_bytenr,
level);
if (!IS_ERR(buf))
root->alloc_bytenr += blocksize;
return buf;
}
+#endif
block_rsv = use_block_rsv(trans, root, blocksize);
if (IS_ERR(block_rsv))
@@ -8540,7 +8542,8 @@ static int record_one_subtree_extent(struct btrfs_trans_handle *trans,
delayed_refs = &trans->transaction->delayed_refs;
spin_lock(&delayed_refs->lock);
- if (btrfs_qgroup_insert_dirty_extent(delayed_refs, qrecord))
+ if (btrfs_qgroup_insert_dirty_extent(trans->fs_info,
+ delayed_refs, qrecord))
kfree(qrecord);
spin_unlock(&delayed_refs->lock);
@@ -9325,7 +9328,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
&root->root_key,
root_item);
if (ret) {
- btrfs_abort_transaction(trans, tree_root, ret);
+ btrfs_abort_transaction(trans, ret);
err = ret;
goto out_end_trans;
}
@@ -9352,7 +9355,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
ret = btrfs_del_root(trans, tree_root, &root->root_key);
if (ret) {
- btrfs_abort_transaction(trans, tree_root, ret);
+ btrfs_abort_transaction(trans, ret);
goto out_end_trans;
}
@@ -9360,7 +9363,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
ret = btrfs_find_root(tree_root, &root->root_key, path,
NULL, NULL);
if (ret < 0) {
- btrfs_abort_transaction(trans, tree_root, ret);
+ btrfs_abort_transaction(trans, ret);
err = ret;
goto out_end_trans;
} else if (ret > 0) {
@@ -9731,7 +9734,7 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr)
int full = 0;
int ret = 0;
- debug = btrfs_test_opt(root, ENOSPC_DEBUG);
+ debug = btrfs_test_opt(root->fs_info, ENOSPC_DEBUG);
block_group = btrfs_lookup_block_group(root->fs_info, bytenr);
@@ -9887,7 +9890,22 @@ static int find_first_block_group(struct btrfs_root *root,
if (found_key.objectid >= key->objectid &&
found_key.type == BTRFS_BLOCK_GROUP_ITEM_KEY) {
- ret = 0;
+ struct extent_map_tree *em_tree;
+ struct extent_map *em;
+
+ em_tree = &root->fs_info->mapping_tree.map_tree;
+ read_lock(&em_tree->lock);
+ em = lookup_extent_mapping(em_tree, found_key.objectid,
+ found_key.offset);
+ read_unlock(&em_tree->lock);
+ if (!em) {
+ btrfs_err(root->fs_info,
+ "logical %llu len %llu found bg but no related chunk",
+ found_key.objectid, found_key.offset);
+ ret = -ENOENT;
+ } else {
+ ret = 0;
+ }
goto out;
}
path->slots[0]++;
@@ -10129,10 +10147,10 @@ int btrfs_read_block_groups(struct btrfs_root *root)
path->reada = READA_FORWARD;
cache_gen = btrfs_super_cache_generation(root->fs_info->super_copy);
- if (btrfs_test_opt(root, SPACE_CACHE) &&
+ if (btrfs_test_opt(root->fs_info, SPACE_CACHE) &&
btrfs_super_generation(root->fs_info->super_copy) != cache_gen)
need_clear = 1;
- if (btrfs_test_opt(root, CLEAR_CACHE))
+ if (btrfs_test_opt(root->fs_info, CLEAR_CACHE))
need_clear = 1;
while (1) {
@@ -10163,7 +10181,7 @@ int btrfs_read_block_groups(struct btrfs_root *root)
* b) Setting 'dirty flag' makes sure that we flush
* the new space cache info onto disk.
*/
- if (btrfs_test_opt(root, SPACE_CACHE))
+ if (btrfs_test_opt(root->fs_info, SPACE_CACHE))
cache->disk_cache_state = BTRFS_DC_CLEAR;
}
@@ -10305,11 +10323,11 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans,
ret = btrfs_insert_item(trans, extent_root, &key, &item,
sizeof(item));
if (ret)
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
ret = btrfs_finish_chunk_alloc(trans, extent_root,
key.objectid, key.offset);
if (ret)
- btrfs_abort_transaction(trans, extent_root, ret);
+ btrfs_abort_transaction(trans, ret);
add_block_group_free_space(trans, root->fs_info, block_group);
/* already aborted the transaction if it failed. */
next:
@@ -10622,7 +10640,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
spin_lock(&block_group->space_info->lock);
list_del_init(&block_group->ro_list);
- if (btrfs_test_opt(root, ENOSPC_DEBUG)) {
+ if (btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) {
WARN_ON(block_group->space_info->total_bytes
< block_group->key.offset);
WARN_ON(block_group->space_info->bytes_readonly
@@ -10890,7 +10908,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
spin_unlock(&space_info->lock);
/* DISCARD can flip during remount */
- trimming = btrfs_test_opt(root, DISCARD);
+ trimming = btrfs_test_opt(root->fs_info, DISCARD);
/* Implicit trim during transaction commit. */
if (trimming)