diff options
Diffstat (limited to 'fs/btrfs/tree-log.c')
-rw-r--r-- | fs/btrfs/tree-log.c | 70 |
1 files changed, 34 insertions, 36 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index b1c2921f5bef..3a72a1b6c247 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -829,7 +829,7 @@ conflict_again: */ ptr = btrfs_item_ptr_offset(leaf, path->slots[0]); ptr_end = ptr + btrfs_item_size_nr(leaf, path->slots[0]); - while(ptr < ptr_end) { + while (ptr < ptr_end) { victim_ref = (struct btrfs_inode_ref *)ptr; victim_name_len = btrfs_inode_ref_name_len(leaf, victim_ref); @@ -938,9 +938,8 @@ static noinline int replay_one_csum(struct btrfs_trans_handle *trans, file_bytes = (item_size / csum_size) * root->sectorsize; sums = kzalloc(btrfs_ordered_sum_size(root, file_bytes), GFP_NOFS); - if (!sums) { + if (!sums) return -ENOMEM; - } INIT_LIST_HEAD(&sums->list); sums->len = file_bytes; @@ -952,7 +951,7 @@ static noinline int replay_one_csum(struct btrfs_trans_handle *trans, sector_sum = sums->sums; cur_offset = key->offset; ptr = btrfs_item_ptr_offset(eb, slot); - while(item_size > 0) { + while (item_size > 0) { sector_sum->bytenr = cur_offset; read_extent_buffer(eb, §or_sum->sum, ptr, csum_size); sector_sum++; @@ -995,7 +994,7 @@ static noinline int fixup_inode_link_count(struct btrfs_trans_handle *trans, path = btrfs_alloc_path(); - while(1) { + while (1) { ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); if (ret < 0) break; @@ -1012,7 +1011,7 @@ static noinline int fixup_inode_link_count(struct btrfs_trans_handle *trans, ptr = btrfs_item_ptr_offset(path->nodes[0], path->slots[0]); ptr_end = ptr + btrfs_item_size_nr(path->nodes[0], path->slots[0]); - while(ptr < ptr_end) { + while (ptr < ptr_end) { struct btrfs_inode_ref *ref; ref = (struct btrfs_inode_ref *)ptr; @@ -1048,7 +1047,7 @@ static noinline int fixup_inode_link_counts(struct btrfs_trans_handle *trans, key.objectid = BTRFS_TREE_LOG_FIXUP_OBJECTID; key.type = BTRFS_ORPHAN_ITEM_KEY; key.offset = (u64)-1; - while(1) { + while (1) { ret = btrfs_search_slot(trans, root, &key, path, -1, 1); if (ret < 0) break; @@ -1206,8 +1205,7 @@ static noinline int replay_one_name(struct btrfs_trans_handle *trans, if (key->type == BTRFS_DIR_ITEM_KEY) { dst_di = btrfs_lookup_dir_item(trans, root, path, key->objectid, name, name_len, 1); - } - else if (key->type == BTRFS_DIR_INDEX_KEY) { + } else if (key->type == BTRFS_DIR_INDEX_KEY) { dst_di = btrfs_lookup_dir_index_item(trans, root, path, key->objectid, key->offset, name, @@ -1282,7 +1280,7 @@ static noinline int replay_one_dir_item(struct btrfs_trans_handle *trans, ptr = btrfs_item_ptr_offset(eb, slot); ptr_end = ptr + item_size; - while(ptr < ptr_end) { + while (ptr < ptr_end) { di = (struct btrfs_dir_item *)ptr; name_len = btrfs_dir_name_len(eb, di); ret = replay_one_name(trans, root, path, eb, di, key); @@ -1408,7 +1406,7 @@ again: item_size = btrfs_item_size_nr(eb, slot); ptr = btrfs_item_ptr_offset(eb, slot); ptr_end = ptr + item_size; - while(ptr < ptr_end) { + while (ptr < ptr_end) { di = (struct btrfs_dir_item *)ptr; name_len = btrfs_dir_name_len(eb, di); name = kmalloc(name_len, GFP_NOFS); @@ -1513,14 +1511,14 @@ static noinline int replay_dir_deletes(struct btrfs_trans_handle *trans, again: range_start = 0; range_end = 0; - while(1) { + while (1) { ret = find_dir_range(log, path, dirid, key_type, &range_start, &range_end); if (ret != 0) break; dir_key.offset = range_start; - while(1) { + while (1) { int nritems; ret = btrfs_search_slot(NULL, root, &dir_key, path, 0, 0); @@ -1676,7 +1674,7 @@ static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb, return 0; } -static int noinline walk_down_log_tree(struct btrfs_trans_handle *trans, +static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, int *level, struct walk_control *wc) @@ -1694,7 +1692,7 @@ static int noinline walk_down_log_tree(struct btrfs_trans_handle *trans, WARN_ON(*level < 0); WARN_ON(*level >= BTRFS_MAX_LEVEL); - while(*level > 0) { + while (*level > 0) { WARN_ON(*level < 0); WARN_ON(*level >= BTRFS_MAX_LEVEL); cur = path->nodes[*level]; @@ -1753,11 +1751,11 @@ static int noinline walk_down_log_tree(struct btrfs_trans_handle *trans, WARN_ON(*level < 0); WARN_ON(*level >= BTRFS_MAX_LEVEL); - if (path->nodes[*level] == root->node) { + if (path->nodes[*level] == root->node) parent = path->nodes[*level]; - } else { + else parent = path->nodes[*level + 1]; - } + bytenr = path->nodes[*level]->start; blocksize = btrfs_level_size(root, *level); @@ -1790,7 +1788,7 @@ static int noinline walk_down_log_tree(struct btrfs_trans_handle *trans, return 0; } -static int noinline walk_up_log_tree(struct btrfs_trans_handle *trans, +static noinline int walk_up_log_tree(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, int *level, struct walk_control *wc) @@ -1801,7 +1799,7 @@ static int noinline walk_up_log_tree(struct btrfs_trans_handle *trans, int slot; int ret; - for(i = *level; i < BTRFS_MAX_LEVEL - 1 && path->nodes[i]; i++) { + for (i = *level; i < BTRFS_MAX_LEVEL - 1 && path->nodes[i]; i++) { slot = path->slots[i]; if (slot < btrfs_header_nritems(path->nodes[i]) - 1) { struct extent_buffer *node; @@ -1875,7 +1873,7 @@ static int walk_log_tree(struct btrfs_trans_handle *trans, extent_buffer_get(log->node); path->slots[level] = 0; - while(1) { + while (1) { wret = walk_down_log_tree(trans, log, path, &level, wc); if (wret > 0) break; @@ -1941,7 +1939,7 @@ static int wait_log_commit(struct btrfs_root *log) schedule(); finish_wait(&log->fs_info->tree_log_wait, &wait); mutex_lock(&log->fs_info->tree_log_mutex); - } while(transid == log->fs_info->tree_log_transid && + } while (transid == log->fs_info->tree_log_transid && atomic_read(&log->fs_info->tree_log_commit)); return 0; } @@ -1965,13 +1963,13 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, } atomic_set(&log->fs_info->tree_log_commit, 1); - while(1) { + while (1) { batch = log->fs_info->tree_log_batch; mutex_unlock(&log->fs_info->tree_log_mutex); schedule_timeout_uninterruptible(1); mutex_lock(&log->fs_info->tree_log_mutex); - while(atomic_read(&log->fs_info->tree_log_writers)) { + while (atomic_read(&log->fs_info->tree_log_writers)) { DEFINE_WAIT(wait); prepare_to_wait(&log->fs_info->tree_log_wait, &wait, TASK_UNINTERRUPTIBLE); @@ -2030,7 +2028,7 @@ int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root) ret = walk_log_tree(trans, log, &wc); BUG_ON(ret); - while(1) { + while (1) { ret = find_first_extent_bit(&log->dirty_log_pages, 0, &start, &end, EXTENT_DIRTY); if (ret) @@ -2287,9 +2285,8 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans, struct btrfs_key tmp; btrfs_item_key_to_cpu(path->nodes[0], &tmp, path->slots[0]); - if (key_type == tmp.type) { + if (key_type == tmp.type) first_offset = max(min_offset, tmp.offset) + 1; - } } goto done; } @@ -2319,7 +2316,7 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans, * we have a block from this transaction, log every item in it * from our directory */ - while(1) { + while (1) { struct btrfs_key tmp; src = path->nodes[0]; nritems = btrfs_header_nritems(src); @@ -2396,7 +2393,7 @@ static noinline int log_directory_changes(struct btrfs_trans_handle *trans, again: min_key = 0; max_key = 0; - while(1) { + while (1) { ret = log_dir_items(trans, root, inode, path, dst_path, key_type, min_key, &max_key); @@ -2432,7 +2429,7 @@ static int drop_objectid_items(struct btrfs_trans_handle *trans, key.type = max_key_type; key.offset = (u64)-1; - while(1) { + while (1) { ret = btrfs_search_slot(trans, log, &key, path, -1, 1); if (ret != 1) @@ -2481,7 +2478,7 @@ static noinline int copy_extent_csums(struct btrfs_trans_handle *trans, list_add_tail(&sums->list, list); path = btrfs_alloc_path(); - while(disk_bytenr < end) { + while (disk_bytenr < end) { if (!item || disk_bytenr < item_start_offset || disk_bytenr >= item_last_offset) { struct btrfs_key found_key; @@ -2496,7 +2493,8 @@ static noinline int copy_extent_csums(struct btrfs_trans_handle *trans, if (ret == -ENOENT || ret == -EFBIG) ret = 0; sum = 0; - printk("log no csum found for byte %llu\n", + printk(KERN_INFO "log no csum found for " + "byte %llu\n", (unsigned long long)disk_bytenr); item = NULL; btrfs_release_path(root, path); @@ -2643,7 +2641,7 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, * we have to do this after the loop above to avoid changing the * log tree while trying to change the log tree. */ - while(!list_empty(&ordered_sums)) { + while (!list_empty(&ordered_sums)) { struct btrfs_ordered_sum *sums = list_entry(ordered_sums.next, struct btrfs_ordered_sum, list); @@ -2736,7 +2734,7 @@ static int __btrfs_log_inode(struct btrfs_trans_handle *trans, BUG_ON(ret); path->keep_locks = 1; - while(1) { + while (1) { ins_nr = 0; ret = btrfs_search_forward(root, &min_key, &max_key, path, 0, trans->transid); @@ -2848,7 +2846,7 @@ int btrfs_log_dentry(struct btrfs_trans_handle *trans, start_log_trans(trans, root); sb = dentry->d_inode->i_sb; - while(1) { + while (1) { ret = __btrfs_log_inode(trans, root, dentry->d_inode, inode_only); BUG_ON(ret); @@ -2919,7 +2917,7 @@ again: key.offset = (u64)-1; btrfs_set_key_type(&key, BTRFS_ROOT_ITEM_KEY); - while(1) { + while (1) { ret = btrfs_search_slot(NULL, log_root_tree, &key, path, 0, 0); if (ret < 0) break; |