diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 6829dc5aa657..2d3e32ebfd15 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -490,7 +490,7 @@ static int __add_missing_keys(struct btrfs_fs_info *fs_info, continue; BUG_ON(!ref->wanted_disk_byte); eb = read_tree_block(fs_info->tree_root, ref->wanted_disk_byte, - fs_info->tree_root->nodesize, 0); + 0); if (!eb || !extent_buffer_uptodate(eb)) { free_extent_buffer(eb); return -EIO; @@ -1028,12 +1028,10 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, if (ref->count && ref->parent) { if (extent_item_pos && !ref->inode_list && ref->level == 0) { - u32 bsz; struct extent_buffer *eb; - bsz = fs_info->extent_root->nodesize; eb = read_tree_block(fs_info->extent_root, - ref->parent, bsz, 0); + ref->parent, 0); if (!eb || !extent_buffer_uptodate(eb)) { free_extent_buffer(eb); ret = -EIO; diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index b289d2a9bbf5..19bc6162fb8e 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -258,9 +258,8 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans, else btrfs_node_key(buf, &disk_key, 0); - cow = btrfs_alloc_free_block(trans, root, buf->len, 0, - new_root_objectid, &disk_key, level, - buf->start, 0); + cow = btrfs_alloc_tree_block(trans, root, 0, new_root_objectid, + &disk_key, level, buf->start, 0); if (IS_ERR(cow)) return PTR_ERR(cow); @@ -1133,9 +1132,9 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, } else parent_start = 0; - cow = btrfs_alloc_free_block(trans, root, buf->len, parent_start, - root->root_key.objectid, &disk_key, - level, search_start, empty_size); + cow = btrfs_alloc_tree_block(trans, root, parent_start, + root->root_key.objectid, &disk_key, level, + search_start, empty_size); if (IS_ERR(cow)) return PTR_ERR(cow); @@ -1425,7 +1424,6 @@ get_old_root(struct btrfs_root *root, u64 time_seq) struct tree_mod_root *old_root = NULL; u64 old_generation = 0; u64 logical; - u32 blocksize; eb_root = btrfs_read_lock_root_node(root); tm = __tree_mod_log_oldest_root(root->fs_info, eb_root, time_seq); @@ -1444,8 +1442,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq) if (old_root && tm && tm->op != MOD_LOG_KEY_REMOVE_WHILE_FREEING) { btrfs_tree_read_unlock(eb_root); free_extent_buffer(eb_root); - blocksize = root->nodesize; - old = read_tree_block(root, logical, blocksize, 0); + old = read_tree_block(root, logical, 0); if (WARN_ON(!old || !extent_buffer_uptodate(old))) { free_extent_buffer(old); btrfs_warn(root->fs_info, @@ -1684,15 +1681,14 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans, continue; } - cur = btrfs_find_tree_block(root, blocknr, blocksize); + cur = btrfs_find_tree_block(root, blocknr); if (cur) uptodate = btrfs_buffer_uptodate(cur, gen, 0); else uptodate = 0; if (!cur || !uptodate) { if (!cur) { - cur = read_tree_block(root, blocknr, - blocksize, gen); + cur = read_tree_block(root, blocknr, gen); if (!cur || !extent_buffer_uptodate(cur)) { free_extent_buffer(cur); return -EIO; @@ -1871,7 +1867,6 @@ static noinline struct extent_buffer *read_node_slot(struct btrfs_root *root, BUG_ON(level == 0); eb = read_tree_block(root, btrfs_node_blockptr(parent, slot), - root->nodesize, btrfs_node_ptr_generation(parent, slot)); if (eb && !extent_buffer_uptodate(eb)) { free_extent_buffer(eb); @@ -2267,7 +2262,7 @@ static void reada_for_search(struct btrfs_root *root, search = btrfs_node_blockptr(node, slot); blocksize = root->nodesize; - eb = btrfs_find_tree_block(root, search, blocksize); + eb = btrfs_find_tree_block(root, search); if (eb) { free_extent_buffer(eb); return; @@ -2297,7 +2292,7 @@ static void reada_for_search(struct btrfs_root *root, if ((search <= target && target - search <= 65536) || (search > target && search - target <= 65536)) { gen = btrfs_node_ptr_generation(node, nr); - readahead_tree_block(root, search, blocksize, gen); + readahead_tree_block(root, search, blocksize); nread += blocksize; } nscan++; @@ -2329,7 +2324,7 @@ static noinline void reada_for_balance(struct btrfs_root *root, if (slot > 0) { block1 = btrfs_node_blockptr(parent, slot - 1); gen = btrfs_node_ptr_generation(parent, slot - 1); - eb = btrfs_find_tree_block(root, block1, blocksize); + eb = btrfs_find_tree_block(root, block1); /* * if we get -eagain from btrfs_buffer_uptodate, we * don't want to return eagain here. That will loop @@ -2342,16 +2337,16 @@ static noinline void reada_for_balance(struct btrfs_root *root, if (slot + 1 < nritems) { block2 = btrfs_node_blockptr(parent, slot + 1); gen = btrfs_node_ptr_generation(parent, slot + 1); - eb = btrfs_find_tree_block(root, block2, blocksize); + eb = btrfs_find_tree_block(root, block2); if (eb && btrfs_buffer_uptodate(eb, gen, 1) != 0) block2 = 0; free_extent_buffer(eb); } if (block1) - readahead_tree_block(root, block1, blocksize, 0); + readahead_tree_block(root, block1, blocksize); if (block2) - readahead_tree_block(root, block2, blocksize, 0); + readahead_tree_block(root, block2, blocksize); } @@ -2453,16 +2448,14 @@ read_block_for_search(struct btrfs_trans_handle *trans, { u64 blocknr; u64 gen; - u32 blocksize; struct extent_buffer *b = *eb_ret; struct extent_buffer *tmp; int ret; blocknr = btrfs_node_blockptr(b, slot); gen = btrfs_node_ptr_generation(b, slot); - blocksize = root->nodesize; - tmp = btrfs_find_tree_block(root, blocknr, blocksize); + tmp = btrfs_find_tree_block(root, blocknr); if (tmp) { /* first we do an atomic uptodate check */ if (btrfs_buffer_uptodate(tmp, gen, 1) > 0) { @@ -2506,7 +2499,7 @@ read_block_for_search(struct btrfs_trans_handle *trans, btrfs_release_path(p); ret = -EAGAIN; - tmp = read_tree_block(root, blocknr, blocksize, 0); + tmp = read_tree_block(root, blocknr, 0); if (tmp) { /* * If the read above didn't mark this buffer up to date, @@ -3360,9 +3353,8 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans, else btrfs_node_key(lower, &lower_key, 0); - c = btrfs_alloc_free_block(trans, root, root->nodesize, 0, - root->root_key.objectid, &lower_key, - level, root->node->start, 0); + c = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid, + &lower_key, level, root->node->start, 0); if (IS_ERR(c)) return PTR_ERR(c); @@ -3500,9 +3492,8 @@ static noinline int split_node(struct btrfs_trans_handle *trans, mid = (c_nritems + 1) / 2; btrfs_node_key(c, &disk_key, mid); - split = btrfs_alloc_free_block(trans, root, root->nodesize, 0, - root->root_key.objectid, - &disk_key, level, c->start, 0); + split = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid, + &disk_key, level, c->start, 0); if (IS_ERR(split)) return PTR_ERR(split); @@ -4280,9 +4271,8 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans, else btrfs_item_key(l, &disk_key, mid); - right = btrfs_alloc_free_block(trans, root, root->nodesize, 0, - root->root_key.objectid, - &disk_key, 0, l->start, 0); + right = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid, + &disk_key, 0, l->start, 0); if (IS_ERR(right)) return PTR_ERR(right); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index baa4031602c1..f7555e2767de 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3291,9 +3291,9 @@ struct btrfs_block_group_cache *btrfs_lookup_block_group( u64 bytenr); void btrfs_put_block_group(struct btrfs_block_group_cache *cache); int get_block_group_index(struct btrfs_block_group_cache *cache); -struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u32 blocksize, - u64 parent, u64 root_objectid, +struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans, + struct btrfs_root *root, u64 parent, + u64 root_objectid, struct btrfs_disk_key *key, int level, u64 hint, u64 empty_size); void btrfs_free_tree_block(struct btrfs_trans_handle *trans, diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 07d9e83f8954..2409718e3f20 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1073,20 +1073,17 @@ static const struct address_space_operations btree_aops = { .set_page_dirty = btree_set_page_dirty, }; -int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize, - u64 parent_transid) +void readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize) { struct extent_buffer *buf = NULL; struct inode *btree_inode = root->fs_info->btree_inode; - int ret = 0; buf = btrfs_find_create_tree_block(root, bytenr, blocksize); if (!buf) - return 0; + return; read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree, buf, 0, WAIT_NONE, btree_get_extent, 0); free_extent_buffer(buf); - return ret; } int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, u32 blocksize, @@ -1122,7 +1119,7 @@ int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, u32 blocksize, } struct extent_buffer *btrfs_find_tree_block(struct btrfs_root *root, - u64 bytenr, u32 blocksize) + u64 bytenr) { return find_extent_buffer(root->fs_info, bytenr); } @@ -1150,12 +1147,12 @@ int btrfs_wait_tree_block_writeback(struct extent_buffer *buf) } struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, - u32 blocksize, u64 parent_transid) + u64 parent_transid) { struct extent_buffer *buf = NULL; int ret; - buf = btrfs_find_create_tree_block(root, bytenr, blocksize); + buf = btrfs_find_create_tree_block(root, bytenr, root->nodesize); if (!buf) return NULL; @@ -1336,8 +1333,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, root->root_key.type = BTRFS_ROOT_ITEM_KEY; root->root_key.offset = 0; - leaf = btrfs_alloc_free_block(trans, root, root->nodesize, - 0, objectid, NULL, 0, 0, 0); + leaf = btrfs_alloc_tree_block(trans, root, 0, objectid, NULL, 0, 0, 0); if (IS_ERR(leaf)) { ret = PTR_ERR(leaf); leaf = NULL; @@ -1424,9 +1420,8 @@ static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans, * updated (along with back refs to the log tree). */ - leaf = btrfs_alloc_free_block(trans, root, root->nodesize, 0, - BTRFS_TREE_LOG_OBJECTID, NULL, - 0, 0, 0); + leaf = btrfs_alloc_tree_block(trans, root, 0, BTRFS_TREE_LOG_OBJECTID, + NULL, 0, 0, 0); if (IS_ERR(leaf)) { kfree(root); return ERR_CAST(leaf); @@ -1496,7 +1491,6 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root, struct btrfs_fs_info *fs_info = tree_root->fs_info; struct btrfs_path *path; u64 generation; - u32 blocksize; int ret; path = btrfs_alloc_path(); @@ -1521,9 +1515,8 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root, } generation = btrfs_root_generation(&root->root_item); - blocksize = root->nodesize; root->node = read_tree_block(root, btrfs_root_bytenr(&root->root_item), - blocksize, generation); + generation); if (!root->node) { ret = -ENOMEM; goto find_fail; @@ -2151,7 +2144,6 @@ int open_ctree(struct super_block *sb, { u32 sectorsize; u32 nodesize; - u32 blocksize; u32 stripesize; u64 generation; u64 features; @@ -2655,7 +2647,6 @@ int open_ctree(struct super_block *sb, goto fail_sb_buffer; } - blocksize = tree_root->nodesize; generation = btrfs_super_chunk_root_generation(disk_super); __setup_root(nodesize, sectorsize, stripesize, chunk_root, @@ -2663,7 +2654,7 @@ int open_ctree(struct super_block *sb, chunk_root->node = read_tree_block(chunk_root, btrfs_super_chunk_root(disk_super), - blocksize, generation); + generation); if (!chunk_root->node || !test_bit(EXTENT_BUFFER_UPTODATE, &chunk_root->node->bflags)) { printk(KERN_WARNING "BTRFS: failed to read chunk root on %s\n", @@ -2696,12 +2687,11 @@ int open_ctree(struct super_block *sb, } retry_root_backup: - blocksize = tree_root->nodesize; generation = btrfs_super_generation(disk_super); tree_root->node = read_tree_block(tree_root, btrfs_super_root(disk_super), - blocksize, generation); + generation); if (!tree_root->node || !test_bit(EXTENT_BUFFER_UPTODATE, &tree_root->node->bflags)) { printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n", @@ -2870,7 +2860,6 @@ int open_ctree(struct super_block *sb, err = -EIO; goto fail_qgroup; } - blocksize = tree_root->nodesize; log_tree_root = btrfs_alloc_root(fs_info); if (!log_tree_root) { @@ -2882,7 +2871,6 @@ int open_ctree(struct super_block *sb, log_tree_root, fs_info, BTRFS_TREE_LOG_OBJECTID); log_tree_root->node = read_tree_block(tree_root, bytenr, - blocksize, generation + 1); if (!log_tree_root->node || !extent_buffer_uptodate(log_tree_root->node)) { @@ -4084,8 +4072,7 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root, clear_extent_bits(dirty_pages, start, end, mark, GFP_NOFS); while (start <= end) { - eb = btrfs_find_tree_block(root, start, - root->nodesize); + eb = btrfs_find_tree_block(root, start); start += root->nodesize; if (!eb) continue; diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index 9ac233923ca3..414651821fb3 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -45,9 +45,8 @@ struct btrfs_device; struct btrfs_fs_devices; struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, - u32 blocksize, u64 parent_transid); -int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize, - u64 parent_transid); + u64 parent_transid); +void readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize); int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, u32 blocksize, int mirror_num, struct extent_buffer **eb); struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root, @@ -63,7 +62,7 @@ int write_ctree_super(struct btrfs_trans_handle *trans, struct buffer_head *btrfs_read_dev_super(struct block_device *bdev); int btrfs_commit_super(struct btrfs_root *root); struct extent_buffer *btrfs_find_tree_block(struct btrfs_root *root, - u64 bytenr, u32 blocksize); + u64 bytenr); struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root, struct btrfs_key *location); int btrfs_init_fs_root(struct btrfs_root *root); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 23940cc207e8..9a5effa32a66 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -7323,8 +7323,8 @@ static void unuse_block_rsv(struct btrfs_fs_info *fs_info, * * returns the tree buffer or NULL. */ -struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, - struct btrfs_root *root, u32 blocksize, +struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans, + struct btrfs_root *root, u64 parent, u64 root_objectid, struct btrfs_disk_key *key, int level, u64 hint, u64 empty_size) @@ -7334,6 +7334,7 @@ struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, struct extent_buffer *buf; u64 flags = 0; int ret; + u32 blocksize = root->nodesize; bool skinny_metadata = btrfs_fs_incompat(root->fs_info, SKINNY_METADATA); @@ -7486,10 +7487,7 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, continue; } reada: - ret = readahead_tree_block(root, bytenr, blocksize, - generation); - if (ret) - break; + readahead_tree_block(root, bytenr, blocksize); nread++; } wc->reada_slot = slot; @@ -7648,7 +7646,6 @@ static int account_shared_subtree(struct btrfs_trans_handle *trans, level = root_level; while (level >= 0) { if (path->nodes[level] == NULL) { - int child_bsize = root->nodesize; int parent_slot; u64 child_gen; u64 child_bytenr; @@ -7660,8 +7657,7 @@ static int account_shared_subtree(struct btrfs_trans_handle *trans, child_bytenr = btrfs_node_blockptr(eb, parent_slot); child_gen = btrfs_node_ptr_generation(eb, parent_slot); - eb = read_tree_block(root, child_bytenr, child_bsize, - child_gen); + eb = read_tree_block(root, child_bytenr, child_gen); if (!eb || !extent_buffer_uptodate(eb)) { ret = -EIO; goto out; @@ -7677,7 +7673,7 @@ static int account_shared_subtree(struct btrfs_trans_handle *trans, ret = btrfs_qgroup_record_ref(trans, root->fs_info, root->objectid, child_bytenr, - child_bsize, + root->nodesize, BTRFS_QGROUP_OPER_SUB_SUBTREE, 0); if (ret) @@ -7830,7 +7826,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, bytenr = btrfs_node_blockptr(path->nodes[level], path->slots[level]); blocksize = root->nodesize; - next = btrfs_find_tree_block(root, bytenr, blocksize); + next = btrfs_find_tree_block(root, bytenr); if (!next) { next = btrfs_find_create_tree_block(root, bytenr, blocksize); if (!next) @@ -7892,7 +7888,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, if (!next) { if (reada && level == 1) reada_walk_down(trans, root, wc, path); - next = read_tree_block(root, bytenr, blocksize, generation); + next = read_tree_block(root, bytenr, generation); if (!next || !extent_buffer_uptodate(next)) { free_extent_buffer(next); return -EIO; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 87a7267a6bb2..fd9d19057e7e 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -480,8 +480,7 @@ static noinline int create_subvol(struct inode *dir, if (ret) goto fail; - leaf = btrfs_alloc_free_block(trans, root, root->nodesize, - 0, objectid, NULL, 0, 0, 0); + leaf = btrfs_alloc_tree_block(trans, root, 0, objectid, NULL, 0, 0, 0); if (IS_ERR(leaf)) { ret = PTR_ERR(leaf); goto fail; diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index eb309855d5c8..647ab12fdf5d 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -336,7 +336,6 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) for (i = 0; i < nr; i++) { struct extent_buffer *next = read_tree_block(root, btrfs_node_blockptr(c, i), - root->nodesize, btrfs_node_ptr_generation(c, i)); if (btrfs_is_leaf(next) && level != 1) diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 8f9967f03b64..74257d6436ad 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -1846,8 +1846,7 @@ int replace_path(struct btrfs_trans_handle *trans, break; } - eb = read_tree_block(dest, old_bytenr, blocksize, - old_ptr_gen); + eb = read_tree_block(dest, old_bytenr, old_ptr_gen); if (!eb || !extent_buffer_uptodate(eb)) { ret = (!eb) ? -ENOMEM : -EIO; free_extent_buffer(eb); @@ -1977,7 +1976,6 @@ int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path, u64 bytenr; u64 ptr_gen = 0; u64 last_snapshot; - u32 blocksize; u32 nritems; last_snapshot = btrfs_root_last_snapshot(&root->root_item); @@ -2003,8 +2001,7 @@ int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path, } bytenr = btrfs_node_blockptr(eb, path->slots[i]); - blocksize = root->nodesize; - eb = read_tree_block(root, bytenr, blocksize, ptr_gen); + eb = read_tree_block(root, bytenr, ptr_gen); if (!eb || !extent_buffer_uptodate(eb)) { free_extent_buffer(eb); return -EIO; @@ -2712,7 +2709,7 @@ static int do_relocation(struct btrfs_trans_handle *trans, blocksize = root->nodesize; generation = btrfs_node_ptr_generation(upper->eb, slot); - eb = read_tree_block(root, bytenr, blocksize, generation); + eb = read_tree_block(root, bytenr, generation); if (!eb || !extent_buffer_uptodate(eb)) { free_extent_buffer(eb); err = -EIO; @@ -2874,7 +2871,7 @@ static int get_tree_block_key(struct reloc_control *rc, BUG_ON(block->key_ready); eb = read_tree_block(rc->extent_root, block->bytenr, - block->key.objectid, block->key.offset); + block->key.offset); if (!eb || !extent_buffer_uptodate(eb)) { free_extent_buffer(eb); return -EIO; @@ -2889,20 +2886,6 @@ static int get_tree_block_key(struct reloc_control *rc, return 0; } -static int reada_tree_block(struct reloc_control *rc, - struct tree_block *block) -{ - BUG_ON(block->key_ready); - if (block->key.type == BTRFS_METADATA_ITEM_KEY) - readahead_tree_block(rc->extent_root, block->bytenr, - block->key.objectid, - rc->extent_root->nodesize); - else - readahead_tree_block(rc->extent_root, block->bytenr, - block->key.objectid, block->key.offset); - return 0; -} - /* * helper function to relocate a tree block */ @@ -2982,7 +2965,8 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans, while (rb_node) { block = rb_entry(rb_node, struct tree_block, rb_node); if (!block->key_ready) - reada_tree_block(rc, block); + readahead_tree_block(rc->extent_root, block->bytenr, + block->key.objectid); rb_node = rb_next(rb_node); }