kfree(writers);
}
-static void __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
- u32 stripesize, struct btrfs_root *root,
- struct btrfs_fs_info *fs_info,
+static void __setup_root(u32 nodesize, u32 sectorsize, u32 stripesize,
+ struct btrfs_root *root, struct btrfs_fs_info *fs_info,
u64 objectid)
{
root->node = NULL;
root->commit_root = NULL;
root->sectorsize = sectorsize;
root->nodesize = nodesize;
- root->leafsize = leafsize;
root->stripesize = stripesize;
root->state = 0;
root->orphan_cleanup_state = 0;
root = btrfs_alloc_root(NULL);
if (!root)
return ERR_PTR(-ENOMEM);
- __setup_root(4096, 4096, 4096, 4096, root, NULL, 1);
+ __setup_root(4096, 4096, 4096, root, NULL, 1);
set_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state);
root->alloc_bytenr = 0;
if (!root)
return ERR_PTR(-ENOMEM);
- __setup_root(tree_root->nodesize, tree_root->leafsize,
- tree_root->sectorsize, tree_root->stripesize,
- root, fs_info, objectid);
+ __setup_root(tree_root->nodesize, tree_root->sectorsize,
+ tree_root->stripesize, root, fs_info, objectid);
root->root_key.objectid = objectid;
root->root_key.type = BTRFS_ROOT_ITEM_KEY;
root->root_key.offset = 0;
- leaf = btrfs_alloc_free_block(trans, root, root->leafsize,
+ leaf = btrfs_alloc_free_block(trans, root, root->nodesize,
0, objectid, NULL, 0, 0, 0);
if (IS_ERR(leaf)) {
ret = PTR_ERR(leaf);
if (!root)
return ERR_PTR(-ENOMEM);
- __setup_root(tree_root->nodesize, tree_root->leafsize,
- tree_root->sectorsize, tree_root->stripesize,
- root, fs_info, BTRFS_TREE_LOG_OBJECTID);
+ __setup_root(tree_root->nodesize, tree_root->sectorsize,
+ tree_root->stripesize, root, fs_info,
+ BTRFS_TREE_LOG_OBJECTID);
root->root_key.objectid = BTRFS_TREE_LOG_OBJECTID;
root->root_key.type = BTRFS_ROOT_ITEM_KEY;
* updated (along with back refs to the log tree).
*/
- leaf = btrfs_alloc_free_block(trans, root, root->leafsize, 0,
+ leaf = btrfs_alloc_free_block(trans, root, root->nodesize, 0,
BTRFS_TREE_LOG_OBJECTID, NULL,
0, 0, 0);
if (IS_ERR(leaf)) {
btrfs_set_stack_inode_generation(inode_item, 1);
btrfs_set_stack_inode_size(inode_item, 3);
btrfs_set_stack_inode_nlink(inode_item, 1);
- btrfs_set_stack_inode_nbytes(inode_item, root->leafsize);
+ btrfs_set_stack_inode_nbytes(inode_item, root->nodesize);
btrfs_set_stack_inode_mode(inode_item, S_IFDIR | 0755);
btrfs_set_root_node(&log_root->root_item, log_root->node);
goto alloc_fail;
}
- __setup_root(tree_root->nodesize, tree_root->leafsize,
- tree_root->sectorsize, tree_root->stripesize,
- root, fs_info, key->objectid);
+ __setup_root(tree_root->nodesize, tree_root->sectorsize,
+ tree_root->stripesize, root, fs_info, key->objectid);
ret = btrfs_find_root(tree_root, key, path,
&root->root_item, &root->root_key);
}
generation = btrfs_root_generation(&root->root_item);
- blocksize = btrfs_level_size(root, btrfs_root_level(&root->root_item));
+ blocksize = root->nodesize;
root->node = read_tree_block(root, btrfs_root_bytenr(&root->root_item),
blocksize, generation);
if (!root->node) {
root->subv_writers = writers;
btrfs_init_free_ino_ctl(root);
- spin_lock_init(&root->cache_lock);
- init_waitqueue_head(&root->cache_wait);
+ spin_lock_init(&root->ino_cache_lock);
+ init_waitqueue_head(&root->ino_cache_wait);
ret = get_anon_bdev(&root->anon_dev);
if (ret)
{
u32 sectorsize;
u32 nodesize;
- u32 leafsize;
u32 blocksize;
u32 stripesize;
u64 generation;
goto fail_alloc;
}
- __setup_root(4096, 4096, 4096, 4096, tree_root,
+ __setup_root(4096, 4096, 4096, tree_root,
fs_info, BTRFS_ROOT_TREE_OBJECTID);
invalidate_bdev(fs_devices->latest_bdev);
goto fail_alloc;
}
- if (btrfs_super_leafsize(disk_super) !=
+ /*
+ * Leafsize and nodesize were always equal, this is only a sanity check.
+ */
+ if (le32_to_cpu(disk_super->__unused_leafsize) !=
btrfs_super_nodesize(disk_super)) {
printk(KERN_ERR "BTRFS: couldn't mount because metadata "
"blocksizes don't match. node %d leaf %d\n",
btrfs_super_nodesize(disk_super),
- btrfs_super_leafsize(disk_super));
+ le32_to_cpu(disk_super->__unused_leafsize));
err = -EINVAL;
goto fail_alloc;
}
- if (btrfs_super_leafsize(disk_super) > BTRFS_MAX_METADATA_BLOCKSIZE) {
+ if (btrfs_super_nodesize(disk_super) > BTRFS_MAX_METADATA_BLOCKSIZE) {
printk(KERN_ERR "BTRFS: couldn't mount because metadata "
"blocksize (%d) was too large\n",
- btrfs_super_leafsize(disk_super));
+ btrfs_super_nodesize(disk_super));
err = -EINVAL;
goto fail_alloc;
}
* flag our filesystem as having big metadata blocks if
* they are bigger than the page size
*/
- if (btrfs_super_leafsize(disk_super) > PAGE_CACHE_SIZE) {
+ if (btrfs_super_nodesize(disk_super) > PAGE_CACHE_SIZE) {
if (!(features & BTRFS_FEATURE_INCOMPAT_BIG_METADATA))
printk(KERN_INFO "BTRFS: flagging fs with big metadata feature\n");
features |= BTRFS_FEATURE_INCOMPAT_BIG_METADATA;
}
nodesize = btrfs_super_nodesize(disk_super);
- leafsize = btrfs_super_leafsize(disk_super);
sectorsize = btrfs_super_sectorsize(disk_super);
stripesize = btrfs_super_stripesize(disk_super);
- fs_info->dirty_metadata_batch = leafsize * (1 + ilog2(nr_cpu_ids));
+ fs_info->dirty_metadata_batch = nodesize * (1 + ilog2(nr_cpu_ids));
fs_info->delalloc_batch = sectorsize * 512 * (1 + ilog2(nr_cpu_ids));
/*
* extent buffers for the same range. It leads to corruptions
*/
if ((features & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS) &&
- (sectorsize != leafsize)) {
+ (sectorsize != nodesize)) {
printk(KERN_WARNING "BTRFS: unequal leaf/node/sector sizes "
"are not allowed for mixed block groups on %s\n",
sb->s_id);
4 * 1024 * 1024 / PAGE_CACHE_SIZE);
tree_root->nodesize = nodesize;
- tree_root->leafsize = leafsize;
tree_root->sectorsize = sectorsize;
tree_root->stripesize = stripesize;
goto fail_sb_buffer;
}
- blocksize = btrfs_level_size(tree_root,
- btrfs_super_chunk_root_level(disk_super));
+ blocksize = tree_root->nodesize;
generation = btrfs_super_chunk_root_generation(disk_super);
- __setup_root(nodesize, leafsize, sectorsize, stripesize,
- chunk_root, fs_info, BTRFS_CHUNK_TREE_OBJECTID);
+ __setup_root(nodesize, sectorsize, stripesize, chunk_root,
+ fs_info, BTRFS_CHUNK_TREE_OBJECTID);
chunk_root->node = read_tree_block(chunk_root,
btrfs_super_chunk_root(disk_super),
}
retry_root_backup:
- blocksize = btrfs_level_size(tree_root,
- btrfs_super_root_level(disk_super));
+ blocksize = tree_root->nodesize;
generation = btrfs_super_generation(disk_super);
tree_root->node = read_tree_block(tree_root,
err = -EIO;
goto fail_qgroup;
}
- blocksize =
- btrfs_level_size(tree_root,
- btrfs_super_log_root_level(disk_super));
+ blocksize = tree_root->nodesize;
log_tree_root = btrfs_alloc_root(fs_info);
if (!log_tree_root) {
goto fail_qgroup;
}
- __setup_root(nodesize, leafsize, sectorsize, stripesize,
+ __setup_root(nodesize, sectorsize, stripesize,
log_tree_root, fs_info, BTRFS_TREE_LOG_OBJECTID);
log_tree_root->node = read_tree_block(tree_root, bytenr,
static void free_fs_root(struct btrfs_root *root)
{
- iput(root->cache_inode);
+ iput(root->ino_cache_inode);
WARN_ON(!RB_EMPTY_ROOT(&root->inode_tree));
btrfs_free_block_rsv(root, root->orphan_block_rsv);
root->orphan_block_rsv = NULL;
return btrfs_commit_transaction(trans, root);
}
-int close_ctree(struct btrfs_root *root)
+void close_ctree(struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
btrfs_free_block_rsv(root, root->orphan_block_rsv);
root->orphan_block_rsv = NULL;
-
- return 0;
}
int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid,
clear_extent_bits(dirty_pages, start, end, mark, GFP_NOFS);
while (start <= end) {
eb = btrfs_find_tree_block(root, start,
- root->leafsize);
- start += root->leafsize;
+ root->nodesize);
+ start += root->nodesize;
if (!eb)
continue;
wait_on_extent_buffer_writeback(eb);
projects / linux-2.6-block.git / blobdiff