btrfs: use nodesize everywhere, kill leafsize

The nodesize and leafsize were never of different values. Unify the
usage and make nodesize the one. Cleanup the redundant checks and
helpers.

Shaves a few bytes from .text:

  text    data     bss     dec     hex filename
852418   24560   23112  900090   dbbfa btrfs.ko.before
851074   24584   23112  898770   db6d2 btrfs.ko.after

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
David Sterba 2014-06-04 19:22:26 +02:00 committed by Chris Mason
parent 962a298f35
commit 707e8a0715
15 changed files with 89 additions and 141 deletions

View File

@ -482,7 +482,7 @@ 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->leafsize, 0);
fs_info->tree_root->nodesize, 0);
if (!eb || !extent_buffer_uptodate(eb)) {
free_extent_buffer(eb);
return -EIO;
@ -991,8 +991,8 @@ again:
ref->level == 0) {
u32 bsz;
struct extent_buffer *eb;
bsz = btrfs_level_size(fs_info->extent_root,
ref->level);
bsz = fs_info->extent_root->nodesize;
eb = read_tree_block(fs_info->extent_root,
ref->parent, bsz, 0);
if (!eb || !extent_buffer_uptodate(eb)) {
@ -1366,7 +1366,7 @@ int extent_from_logical(struct btrfs_fs_info *fs_info, u64 logical,
}
btrfs_item_key_to_cpu(path->nodes[0], found_key, path->slots[0]);
if (found_key->type == BTRFS_METADATA_ITEM_KEY)
size = fs_info->extent_root->leafsize;
size = fs_info->extent_root->nodesize;
else if (found_key->type == BTRFS_EXTENT_ITEM_KEY)
size = found_key->offset;

View File

@ -820,7 +820,6 @@ static int btrfsic_process_superblock_dev_mirror(
btrfs_super_magic(super_tmp) != BTRFS_MAGIC ||
memcmp(device->uuid, super_tmp->dev_item.uuid, BTRFS_UUID_SIZE) ||
btrfs_super_nodesize(super_tmp) != state->metablock_size ||
btrfs_super_leafsize(super_tmp) != state->metablock_size ||
btrfs_super_sectorsize(super_tmp) != state->datablock_size) {
brelse(bh);
return 0;
@ -3120,24 +3119,12 @@ int btrfsic_mount(struct btrfs_root *root,
struct list_head *dev_head = &fs_devices->devices;
struct btrfs_device *device;
if (root->nodesize != root->leafsize) {
printk(KERN_INFO
"btrfsic: cannot handle nodesize %d != leafsize %d!\n",
root->nodesize, root->leafsize);
return -1;
}
if (root->nodesize & ((u64)PAGE_CACHE_SIZE - 1)) {
printk(KERN_INFO
"btrfsic: cannot handle nodesize %d not being a multiple of PAGE_CACHE_SIZE %ld!\n",
root->nodesize, PAGE_CACHE_SIZE);
return -1;
}
if (root->leafsize & ((u64)PAGE_CACHE_SIZE - 1)) {
printk(KERN_INFO
"btrfsic: cannot handle leafsize %d not being a multiple of PAGE_CACHE_SIZE %ld!\n",
root->leafsize, PAGE_CACHE_SIZE);
return -1;
}
if (root->sectorsize & ((u64)PAGE_CACHE_SIZE - 1)) {
printk(KERN_INFO
"btrfsic: cannot handle sectorsize %d not being a multiple of PAGE_CACHE_SIZE %ld!\n",

View File

@ -1444,7 +1444,7 @@ 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 = btrfs_level_size(root, old_root->level);
blocksize = root->nodesize;
old = read_tree_block(root, logical, blocksize, 0);
if (WARN_ON(!old || !extent_buffer_uptodate(old))) {
free_extent_buffer(old);
@ -1651,7 +1651,7 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans,
WARN_ON(trans->transid != root->fs_info->generation);
parent_nritems = btrfs_header_nritems(parent);
blocksize = btrfs_level_size(root, parent_level - 1);
blocksize = root->nodesize;
end_slot = parent_nritems;
if (parent_nritems == 1)
@ -1872,7 +1872,7 @@ 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),
btrfs_level_size(root, level - 1),
root->nodesize,
btrfs_node_ptr_generation(parent, slot));
if (eb && !extent_buffer_uptodate(eb)) {
free_extent_buffer(eb);
@ -2267,7 +2267,7 @@ static void reada_for_search(struct btrfs_root *root,
node = path->nodes[level];
search = btrfs_node_blockptr(node, slot);
blocksize = btrfs_level_size(root, level - 1);
blocksize = root->nodesize;
eb = btrfs_find_tree_block(root, search, blocksize);
if (eb) {
free_extent_buffer(eb);
@ -2325,7 +2325,7 @@ static noinline void reada_for_balance(struct btrfs_root *root,
nritems = btrfs_header_nritems(parent);
slot = path->slots[level + 1];
blocksize = btrfs_level_size(root, level);
blocksize = root->nodesize;
if (slot > 0) {
block1 = btrfs_node_blockptr(parent, slot - 1);
@ -2461,7 +2461,7 @@ read_block_for_search(struct btrfs_trans_handle *trans,
blocknr = btrfs_node_blockptr(b, slot);
gen = btrfs_node_ptr_generation(b, slot);
blocksize = btrfs_level_size(root, level - 1);
blocksize = root->nodesize;
tmp = btrfs_find_tree_block(root, blocknr, blocksize);
if (tmp) {
@ -4282,13 +4282,13 @@ again:
else
btrfs_item_key(l, &disk_key, mid);
right = btrfs_alloc_free_block(trans, root, root->leafsize, 0,
right = btrfs_alloc_free_block(trans, root, root->nodesize, 0,
root->root_key.objectid,
&disk_key, 0, l->start, 0);
if (IS_ERR(right))
return PTR_ERR(right);
root_add_used(root, root->leafsize);
root_add_used(root, root->nodesize);
memset_extent_buffer(right, 0, 0, sizeof(struct btrfs_header));
btrfs_set_header_bytenr(right, right->start);
@ -5375,7 +5375,7 @@ int btrfs_compare_trees(struct btrfs_root *left_root,
goto out;
}
tmp_buf = kmalloc(left_root->leafsize, GFP_NOFS);
tmp_buf = kmalloc(left_root->nodesize, GFP_NOFS);
if (!tmp_buf) {
ret = -ENOMEM;
goto out;

View File

@ -391,7 +391,7 @@ struct btrfs_header {
sizeof(struct btrfs_header)) / \
sizeof(struct btrfs_key_ptr))
#define __BTRFS_LEAF_DATA_SIZE(bs) ((bs) - sizeof(struct btrfs_header))
#define BTRFS_LEAF_DATA_SIZE(r) (__BTRFS_LEAF_DATA_SIZE(r->leafsize))
#define BTRFS_LEAF_DATA_SIZE(r) (__BTRFS_LEAF_DATA_SIZE(r->nodesize))
#define BTRFS_MAX_INLINE_DATA_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \
sizeof(struct btrfs_item) - \
sizeof(struct btrfs_file_extent_item))
@ -474,7 +474,7 @@ struct btrfs_super_block {
__le64 num_devices;
__le32 sectorsize;
__le32 nodesize;
__le32 leafsize;
__le32 __unused_leafsize;
__le32 stripesize;
__le32 sys_chunk_array_size;
__le64 chunk_root_generation;
@ -1806,9 +1806,6 @@ struct btrfs_root {
/* node allocations are done in nodesize units */
u32 nodesize;
/* leaf allocations are done in leafsize units */
u32 leafsize;
u32 stripesize;
u32 type;
@ -2995,8 +2992,6 @@ BTRFS_SETGET_STACK_FUNCS(super_sectorsize, struct btrfs_super_block,
sectorsize, 32);
BTRFS_SETGET_STACK_FUNCS(super_nodesize, struct btrfs_super_block,
nodesize, 32);
BTRFS_SETGET_STACK_FUNCS(super_leafsize, struct btrfs_super_block,
leafsize, 32);
BTRFS_SETGET_STACK_FUNCS(super_stripesize, struct btrfs_super_block,
stripesize, 32);
BTRFS_SETGET_STACK_FUNCS(super_root_dir, struct btrfs_super_block,
@ -3232,13 +3227,6 @@ static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb)
return sb->s_fs_info;
}
static inline u32 btrfs_level_size(struct btrfs_root *root, int level)
{
if (level == 0)
return root->leafsize;
return root->nodesize;
}
/* helper function to cast into the data area of the leaf. */
#define btrfs_item_ptr(leaf, slot, type) \
((type *)(btrfs_leaf_data(leaf) + \
@ -3263,7 +3251,7 @@ static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping)
static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_root *root,
unsigned num_items)
{
return (root->leafsize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
return (root->nodesize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
2 * num_items;
}
@ -3274,8 +3262,7 @@ static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_root *root,
static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_root *root,
unsigned num_items)
{
return (root->leafsize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
num_items;
return root->nodesize * BTRFS_MAX_LEVEL * num_items;
}
int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans,

View File

@ -1200,16 +1200,14 @@ btrfs_free_subvolume_writers(struct btrfs_subvolume_writers *writers)
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;
@ -1295,7 +1293,7 @@ struct btrfs_root *btrfs_alloc_dummy_root(void)
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;
@ -1318,14 +1316,13 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
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);
@ -1396,9 +1393,9 @@ static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans,
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;
@ -1413,7 +1410,7 @@ 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->leafsize, 0,
leaf = btrfs_alloc_free_block(trans, root, root->nodesize, 0,
BTRFS_TREE_LOG_OBJECTID, NULL,
0, 0, 0);
if (IS_ERR(leaf)) {
@ -1465,7 +1462,7 @@ int btrfs_add_log_tree(struct btrfs_trans_handle *trans,
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);
@ -1498,9 +1495,8 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,
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);
@ -1511,7 +1507,7 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,
}
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) {
@ -2143,7 +2139,6 @@ int open_ctree(struct super_block *sb,
{
u32 sectorsize;
u32 nodesize;
u32 leafsize;
u32 blocksize;
u32 stripesize;
u64 generation;
@ -2389,7 +2384,7 @@ int open_ctree(struct super_block *sb,
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);
@ -2469,19 +2464,22 @@ int open_ctree(struct super_block *sb,
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;
}
@ -2498,17 +2496,16 @@ int open_ctree(struct super_block *sb,
* 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));
/*
@ -2516,7 +2513,7 @@ int open_ctree(struct super_block *sb,
* 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);
@ -2615,7 +2612,6 @@ int open_ctree(struct super_block *sb,
4 * 1024 * 1024 / PAGE_CACHE_SIZE);
tree_root->nodesize = nodesize;
tree_root->leafsize = leafsize;
tree_root->sectorsize = sectorsize;
tree_root->stripesize = stripesize;
@ -2642,12 +2638,11 @@ int open_ctree(struct super_block *sb,
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),
@ -2684,8 +2679,7 @@ int open_ctree(struct super_block *sb,
}
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,
@ -2859,9 +2853,7 @@ retry_root_backup:
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) {
@ -2869,7 +2861,7 @@ retry_root_backup:
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,
@ -4008,8 +4000,8 @@ 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->leafsize);
start += root->leafsize;
root->nodesize);
start += root->nodesize;
if (!eb)
continue;
wait_on_extent_buffer_writeback(eb);

View File

@ -491,7 +491,7 @@ next:
key.objectid);
if (key.type == BTRFS_METADATA_ITEM_KEY)
last = key.objectid +
fs_info->tree_root->leafsize;
fs_info->tree_root->nodesize;
else
last = key.objectid + key.offset;
@ -765,7 +765,7 @@ int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
* different
*/
if (metadata && !btrfs_fs_incompat(root->fs_info, SKINNY_METADATA)) {
offset = root->leafsize;
offset = root->nodesize;
metadata = 0;
}
@ -799,13 +799,13 @@ again:
path->slots[0]);
if (key.objectid == bytenr &&
key.type == BTRFS_EXTENT_ITEM_KEY &&
key.offset == root->leafsize)
key.offset == root->nodesize)
ret = 0;
}
if (ret) {
key.objectid = bytenr;
key.type = BTRFS_EXTENT_ITEM_KEY;
key.offset = root->leafsize;
key.offset = root->nodesize;
btrfs_release_path(path);
goto again;
}
@ -2651,7 +2651,7 @@ int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans,
num_bytes = btrfs_calc_trans_metadata_size(root, 1);
num_heads = heads_to_leaves(root, num_heads);
if (num_heads > 1)
num_bytes += (num_heads - 1) * root->leafsize;
num_bytes += (num_heads - 1) * root->nodesize;
num_bytes <<= 1;
global_rsv = &root->fs_info->global_block_rsv;
@ -3117,7 +3117,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
goto fail;
} else {
bytenr = btrfs_node_blockptr(buf, i);
num_bytes = btrfs_level_size(root, level - 1);
num_bytes = root->nodesize;
ret = process_func(trans, root, bytenr, num_bytes,
parent, ref_root, level - 1, 0,
1);
@ -4839,7 +4839,7 @@ static u64 calc_global_metadata_size(struct btrfs_fs_info *fs_info)
if (num_bytes * 3 > meta_used)
num_bytes = div64_u64(meta_used, 3);
return ALIGN(num_bytes, fs_info->extent_root->leafsize << 10);
return ALIGN(num_bytes, fs_info->extent_root->nodesize << 10);
}
static void update_global_block_rsv(struct btrfs_fs_info *fs_info)
@ -4988,7 +4988,7 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
if (root->fs_info->quota_enabled) {
/* One for parent inode, two for dir entries */
num_bytes = 3 * root->leafsize;
num_bytes = 3 * root->nodesize;
ret = btrfs_qgroup_reserve(root, num_bytes);
if (ret)
return ret;
@ -5176,7 +5176,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
if (root->fs_info->quota_enabled) {
ret = btrfs_qgroup_reserve(root, num_bytes +
nr_extents * root->leafsize);
nr_extents * root->nodesize);
if (ret)
goto out_fail;
}
@ -5185,7 +5185,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
if (unlikely(ret)) {
if (root->fs_info->quota_enabled)
btrfs_qgroup_free(root, num_bytes +
nr_extents * root->leafsize);
nr_extents * root->nodesize);
goto out_fail;
}
@ -5301,7 +5301,7 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes)
btrfs_ino(inode), to_free, 0);
if (root->fs_info->quota_enabled) {
btrfs_qgroup_free(root, num_bytes +
dropped * root->leafsize);
dropped * root->nodesize);
}
btrfs_block_rsv_release(root, &root->fs_info->delalloc_block_rsv,
@ -7077,7 +7077,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
path = btrfs_alloc_path();
if (!path) {
btrfs_free_and_pin_reserved_extent(root, ins->objectid,
root->leafsize);
root->nodesize);
return -ENOMEM;
}
@ -7086,7 +7086,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
ins, size);
if (ret) {
btrfs_free_and_pin_reserved_extent(root, ins->objectid,
root->leafsize);
root->nodesize);
btrfs_free_path(path);
return ret;
}
@ -7101,7 +7101,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
if (skinny_metadata) {
iref = (struct btrfs_extent_inline_ref *)(extent_item + 1);
num_bytes = root->leafsize;
num_bytes = root->nodesize;
} else {
block_info = (struct btrfs_tree_block_info *)(extent_item + 1);
btrfs_set_tree_block_key(leaf, block_info, key);
@ -7131,14 +7131,14 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
return ret;
}
ret = update_block_group(root, ins->objectid, root->leafsize, 1);
ret = update_block_group(root, ins->objectid, root->nodesize, 1);
if (ret) { /* -ENOENT, logic error */
btrfs_err(fs_info, "update block group failed for %llu %llu",
ins->objectid, ins->offset);
BUG();
}
trace_btrfs_reserved_extent_alloc(root, ins->objectid, root->leafsize);
trace_btrfs_reserved_extent_alloc(root, ins->objectid, root->nodesize);
return ret;
}
@ -7417,7 +7417,7 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans,
eb = path->nodes[wc->level];
nritems = btrfs_header_nritems(eb);
blocksize = btrfs_level_size(root, wc->level - 1);
blocksize = root->nodesize;
for (slot = path->slots[wc->level]; slot < nritems; slot++) {
if (nread >= wc->reada_count)
@ -7806,7 +7806,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
}
bytenr = btrfs_node_blockptr(path->nodes[level], path->slots[level]);
blocksize = btrfs_level_size(root, level - 1);
blocksize = root->nodesize;
next = btrfs_find_tree_block(root, bytenr, blocksize);
if (!next) {

View File

@ -1653,7 +1653,7 @@ again:
cond_resched();
balance_dirty_pages_ratelimited(inode->i_mapping);
if (dirty_pages < (root->leafsize >> PAGE_CACHE_SHIFT) + 1)
if (dirty_pages < (root->nodesize >> PAGE_CACHE_SHIFT) + 1)
btrfs_btree_balance_dirty(root);
pos += copied;

View File

@ -477,7 +477,7 @@ static noinline int create_subvol(struct inode *dir,
if (ret)
goto fail;
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);
@ -503,7 +503,7 @@ static noinline int create_subvol(struct inode *dir,
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_flags(&root_item, 0);
@ -3199,7 +3199,7 @@ static int btrfs_clone(struct inode *src, struct inode *inode,
u64 last_dest_end = destoff;
ret = -ENOMEM;
buf = vmalloc(btrfs_level_size(root, 0));
buf = vmalloc(root->nodesize);
if (!buf)
return ret;

View File

@ -336,7 +336,7 @@ 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),
btrfs_level_size(root, level - 1),
root->nodesize,
btrfs_node_ptr_generation(c, i));
if (btrfs_is_leaf(next) &&
level != 1)

View File

@ -2237,7 +2237,6 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
if (srcid) {
struct btrfs_root *srcroot;
struct btrfs_key srckey;
int srcroot_level;
srckey.objectid = srcid;
srckey.type = BTRFS_ROOT_ITEM_KEY;
@ -2249,8 +2248,7 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
}
rcu_read_lock();
srcroot_level = btrfs_header_level(srcroot->node);
level_size = btrfs_level_size(srcroot, srcroot_level);
level_size = srcroot->nodesize;
rcu_read_unlock();
}
@ -2566,7 +2564,7 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
found.type != BTRFS_METADATA_ITEM_KEY)
continue;
if (found.type == BTRFS_METADATA_ITEM_KEY)
num_bytes = fs_info->extent_root->leafsize;
num_bytes = fs_info->extent_root->nodesize;
else
num_bytes = found.offset;

View File

@ -347,7 +347,7 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
if (!re)
return NULL;
blocksize = btrfs_level_size(root, level);
blocksize = root->nodesize;
re->logical = logical;
re->blocksize = blocksize;
re->top = *top;

View File

@ -1787,7 +1787,7 @@ again:
btrfs_node_key_to_cpu(parent, next_key, slot + 1);
old_bytenr = btrfs_node_blockptr(parent, slot);
blocksize = btrfs_level_size(dest, level - 1);
blocksize = dest->nodesize;
old_ptr_gen = btrfs_node_ptr_generation(parent, slot);
if (level <= max_level) {
@ -1970,7 +1970,7 @@ int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path,
}
bytenr = btrfs_node_blockptr(eb, path->slots[i]);
blocksize = btrfs_level_size(root, i - 1);
blocksize = root->nodesize;
eb = read_tree_block(root, bytenr, blocksize, ptr_gen);
if (!eb || !extent_buffer_uptodate(eb)) {
free_extent_buffer(eb);
@ -2544,8 +2544,7 @@ u64 calcu_metadata_size(struct reloc_control *rc,
if (next->processed && (reserve || next != node))
break;
num_bytes += btrfs_level_size(rc->extent_root,
next->level);
num_bytes += rc->extent_root->nodesize;
if (list_empty(&next->upper))
break;
@ -2679,7 +2678,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
goto next;
}
blocksize = btrfs_level_size(root, node->level);
blocksize = root->nodesize;
generation = btrfs_node_ptr_generation(upper->eb, slot);
eb = read_tree_block(root, bytenr, blocksize, generation);
if (!eb || !extent_buffer_uptodate(eb)) {
@ -2789,7 +2788,7 @@ static void __mark_block_processed(struct reloc_control *rc,
u32 blocksize;
if (node->level == 0 ||
in_block_group(node->bytenr, rc->block_group)) {
blocksize = btrfs_level_size(rc->extent_root, node->level);
blocksize = rc->extent_root->nodesize;
mark_block_processed(rc, node->bytenr, blocksize);
}
node->processed = 1;
@ -2865,7 +2864,7 @@ static int reada_tree_block(struct reloc_control *rc,
if (block->key.type == BTRFS_METADATA_ITEM_KEY)
readahead_tree_block(rc->extent_root, block->bytenr,
block->key.objectid,
rc->extent_root->leafsize);
rc->extent_root->nodesize);
else
readahead_tree_block(rc->extent_root, block->bytenr,
block->key.objectid, block->key.offset);
@ -3313,7 +3312,7 @@ static int add_tree_block(struct reloc_control *rc,
return -ENOMEM;
block->bytenr = extent_key->objectid;
block->key.objectid = rc->extent_root->leafsize;
block->key.objectid = rc->extent_root->nodesize;
block->key.offset = generation;
block->level = level;
block->key_ready = 0;
@ -3640,7 +3639,7 @@ int add_data_references(struct reloc_control *rc,
struct btrfs_extent_inline_ref *iref;
unsigned long ptr;
unsigned long end;
u32 blocksize = btrfs_level_size(rc->extent_root, 0);
u32 blocksize = rc->extent_root->nodesize;
int ret = 0;
int err = 0;
@ -3783,7 +3782,7 @@ next:
}
if (key.type == BTRFS_METADATA_ITEM_KEY &&
key.objectid + rc->extent_root->leafsize <=
key.objectid + rc->extent_root->nodesize <=
rc->search_start) {
path->slots[0]++;
goto next;
@ -3801,7 +3800,7 @@ next:
rc->search_start = key.objectid + key.offset;
else
rc->search_start = key.objectid +
rc->extent_root->leafsize;
rc->extent_root->nodesize;
memcpy(extent_key, &key, sizeof(key));
return 0;
}

View File

@ -137,7 +137,6 @@ struct scrub_ctx {
int pages_per_rd_bio;
u32 sectorsize;
u32 nodesize;
u32 leafsize;
int is_dev_replace;
struct scrub_wr_ctx wr_ctx;
@ -438,7 +437,6 @@ struct scrub_ctx *scrub_setup_ctx(struct btrfs_device *dev, int is_dev_replace)
}
sctx->first_free = 0;
sctx->nodesize = dev->dev_root->nodesize;
sctx->leafsize = dev->dev_root->leafsize;
sctx->sectorsize = dev->dev_root->sectorsize;
atomic_set(&sctx->bios_in_flight, 0);
atomic_set(&sctx->workers_pending, 0);
@ -1758,7 +1756,6 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
BTRFS_UUID_SIZE))
++fail;
WARN_ON(sctx->nodesize != sctx->leafsize);
len = sctx->nodesize - BTRFS_CSUM_SIZE;
mapped_size = PAGE_SIZE - BTRFS_CSUM_SIZE;
p = ((u8 *)mapped_buffer) + BTRFS_CSUM_SIZE;
@ -2196,7 +2193,6 @@ static int scrub_extent(struct scrub_ctx *sctx, u64 logical, u64 len,
sctx->stat.data_bytes_scrubbed += len;
spin_unlock(&sctx->stat_lock);
} else if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
WARN_ON(sctx->nodesize != sctx->leafsize);
blocksize = sctx->nodesize;
spin_lock(&sctx->stat_lock);
sctx->stat.tree_extents_scrubbed++;
@ -2487,7 +2483,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
btrfs_item_key_to_cpu(l, &key, slot);
if (key.type == BTRFS_METADATA_ITEM_KEY)
bytes = root->leafsize;
bytes = root->nodesize;
else
bytes = key.offset;
@ -2910,17 +2906,6 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
if (btrfs_fs_closing(fs_info))
return -EINVAL;
/*
* check some assumptions
*/
if (fs_info->chunk_root->nodesize != fs_info->chunk_root->leafsize) {
btrfs_err(fs_info,
"scrub: size assumption nodesize == leafsize (%d == %d) fails",
fs_info->chunk_root->nodesize,
fs_info->chunk_root->leafsize);
return -EINVAL;
}
if (fs_info->chunk_root->nodesize > BTRFS_STRIPE_LEN) {
/*
* in this case scrub is unable to calculate the checksum

View File

@ -408,7 +408,7 @@ start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type,
if (num_items > 0 && root != root->fs_info->chunk_root) {
if (root->fs_info->quota_enabled &&
is_fstree(root->root_key.objectid)) {
qgroup_reserved = num_items * root->leafsize;
qgroup_reserved = num_items * root->nodesize;
ret = btrfs_qgroup_reserve(root, qgroup_reserved);
if (ret)
return ERR_PTR(ret);

View File

@ -2157,7 +2157,7 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans,
bytenr = btrfs_node_blockptr(cur, path->slots[*level]);
ptr_gen = btrfs_node_ptr_generation(cur, path->slots[*level]);
blocksize = btrfs_level_size(root, *level - 1);
blocksize = root->nodesize;
parent = path->nodes[*level];
root_owner = btrfs_header_owner(parent);