From 6418b4c79f2409bd851b2bf4b270d3b7b410b002 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Thu, 18 May 2017 09:48:52 +0800 Subject: [PATCH] btrfs-progs: Refactor block sizes users in extent-tree.c And in the refactoring, also refactors a open-coded round_up(). Signed-off-by: Qu Wenruo --- extent-tree.c | 38 ++++++++++++++++++-------------------- 1 file changed, 18 insertions(+), 20 deletions(-) diff --git a/extent-tree.c b/extent-tree.c index b12ee290..43fa3b5f 100644 --- a/extent-tree.c +++ b/extent-tree.c @@ -152,7 +152,7 @@ static int cache_block_group(struct btrfs_root *root, last + hole_size - 1); } if (key.type == BTRFS_METADATA_ITEM_KEY) - last = key.objectid + root->nodesize; + last = key.objectid + root->fs_info->nodesize; else last = key.objectid + key.offset; } @@ -1452,7 +1452,7 @@ int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans, if (metadata && !btrfs_fs_incompat(root->fs_info, SKINNY_METADATA)) { - offset = root->nodesize; + offset = root->fs_info->nodesize; metadata = 0; } @@ -1487,14 +1487,14 @@ again: path->slots[0]); if (key.objectid == bytenr && key.type == BTRFS_EXTENT_ITEM_KEY && - key.offset == root->nodesize) + key.offset == root->fs_info->nodesize) ret = 0; } if (ret) { btrfs_release_path(path); key.type = BTRFS_EXTENT_ITEM_KEY; - key.offset = root->nodesize; + key.offset = root->fs_info->nodesize; metadata = 0; goto again; } @@ -1558,7 +1558,7 @@ int btrfs_set_block_flags(struct btrfs_trans_handle *trans, key.offset = level; key.type = BTRFS_METADATA_ITEM_KEY; } else { - key.offset = root->nodesize; + key.offset = root->fs_info->nodesize; key.type = BTRFS_EXTENT_ITEM_KEY; } @@ -1575,13 +1575,13 @@ again: btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]); if (key.objectid == bytenr && - key.offset == root->nodesize && + key.offset == root->fs_info->nodesize && key.type == BTRFS_EXTENT_ITEM_KEY) ret = 0; } if (ret) { btrfs_release_path(path); - key.offset = root->nodesize; + key.offset = root->fs_info->nodesize; key.type = BTRFS_EXTENT_ITEM_KEY; goto again; } @@ -1679,7 +1679,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, } } else { bytenr = btrfs_node_blockptr(buf, i); - num_bytes = root->nodesize; + num_bytes = root->fs_info->nodesize; ret = process_func(trans, root, bytenr, num_bytes, parent, ref_root, level - 1, 0); if (ret) { @@ -2001,7 +2001,7 @@ static int update_pinned_extents(struct btrfs_root *root, while (num > 0) { cache = btrfs_lookup_block_group(fs_info, bytenr); if (!cache) { - len = min((u64)root->sectorsize, num); + len = min((u64)fs_info->sectorsize, num); goto next; } WARN_ON(!cache); @@ -2479,7 +2479,7 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, int pending_ret; int ret; - WARN_ON(num_bytes < root->sectorsize); + WARN_ON(num_bytes < root->fs_info->sectorsize); if (root == extent_root) { struct pending_extent_op *extent_op; @@ -2506,9 +2506,7 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, static u64 stripe_align(struct btrfs_root *root, u64 val) { - u64 mask = ((u64)root->stripesize - 1); - u64 ret = (val + mask) & ~mask; - return ret; + return round_up(val, (u64)root->fs_info->stripesize); } /* @@ -2536,7 +2534,7 @@ static int noinline find_free_extent(struct btrfs_trans_handle *trans, int full_scan = 0; int wrapped = 0; - WARN_ON(num_bytes < root->sectorsize); + WARN_ON(num_bytes < info->sectorsize); ins->type = BTRFS_EXTENT_ITEM_KEY; search_start = stripe_align(root, search_start); @@ -2688,7 +2686,7 @@ int btrfs_reserve_extent(struct btrfs_trans_handle *trans, BUG_ON(ret); } - WARN_ON(num_bytes < root->sectorsize); + WARN_ON(num_bytes < info->sectorsize); ret = find_free_extent(trans, root, num_bytes, empty_size, search_start, search_end, hint_byte, ins, trans->alloc_exclude_start, @@ -2749,7 +2747,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, btrfs_mark_buffer_dirty(leaf); btrfs_free_path(path); - ret = update_block_group(trans, root, ins->objectid, root->nodesize, + ret = update_block_group(trans, root, ins->objectid, fs_info->nodesize, 1, 0); return ret; } @@ -3405,7 +3403,7 @@ int btrfs_make_block_groups(struct btrfs_trans_handle *trans, block_group_cache = &root->fs_info->block_group_cache; chunk_objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID; total_bytes = btrfs_super_total_bytes(root->fs_info->super_copy); - group_align = 64 * root->sectorsize; + group_align = 64 * root->fs_info->sectorsize; cur_start = 0; while (cur_start < total_bytes) { @@ -3907,9 +3905,9 @@ int btrfs_fix_block_accounting(struct btrfs_trans_handle *trans, key.objectid, key.offset, 1, 0); BUG_ON(ret); } else if (key.type == BTRFS_METADATA_ITEM_KEY) { - bytes_used += root->nodesize; + bytes_used += fs_info->nodesize; ret = btrfs_update_block_group(trans, root, - key.objectid, root->nodesize, 1, 0); + key.objectid, fs_info->nodesize, 1, 0); BUG_ON(ret); } path.slots[0]++; @@ -3931,7 +3929,7 @@ static void __get_extent_size(struct btrfs_root *root, struct btrfs_path *path, if (key.type == BTRFS_EXTENT_ITEM_KEY) *len = key.offset; else - *len = root->nodesize; + *len = root->fs_info->nodesize; } /*