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struct key endian fixes

master
Chris Mason 2007-03-12 16:22:34 -04:00 committed by David Woodhouse
parent ce3b109650
commit b2e2afd7b4
7 changed files with 162 additions and 82 deletions
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92
ctree.c
View File

@ -95,19 +95,23 @@ int leaf_free_space(struct leaf *leaf)
/*
* compare two keys in a memcmp fashion
*/
int comp_keys(struct key *k1, struct key *k2)
int comp_keys(struct btrfs_disk_key *disk, struct btrfs_key *k2)
{
if (k1->objectid > k2->objectid)
struct btrfs_key k1;
btrfs_disk_key_to_cpu(&k1, disk);
if (k1.objectid > k2->objectid)
return 1;
if (k1->objectid < k2->objectid)
if (k1.objectid < k2->objectid)
return -1;
if (k1->flags > k2->flags)
if (k1.flags > k2->flags)
return 1;
if (k1->flags < k2->flags)
if (k1.flags < k2->flags)
return -1;
if (k1->offset > k2->offset)
if (k1.offset > k2->offset)
return 1;
if (k1->offset < k2->offset)
if (k1.offset < k2->offset)
return -1;
return 0;
}
@ -125,15 +129,18 @@ int check_node(struct ctree_path *path, int level)
parent_slot = path->slots[level + 1];
BUG_ON(nritems == 0);
if (parent) {
struct key *parent_key;
struct btrfs_disk_key *parent_key;
parent_key = &parent->keys[parent_slot];
BUG_ON(memcmp(parent_key, node->keys, sizeof(struct key)));
BUG_ON(memcmp(parent_key, node->keys,
sizeof(struct btrfs_disk_key)));
BUG_ON(parent->blockptrs[parent_slot] !=
btrfs_header_blocknr(&node->header));
}
BUG_ON(nritems > NODEPTRS_PER_BLOCK);
for (i = 0; nritems > 1 && i < nritems - 2; i++) {
BUG_ON(comp_keys(&node->keys[i], &node->keys[i+1]) >= 0);
struct btrfs_key cpukey;
btrfs_disk_key_to_cpu(&cpukey, &node->keys[i + 1]);
BUG_ON(comp_keys(&node->keys[i], &cpukey) >= 0);
}
return 0;
}
@ -155,16 +162,18 @@ int check_leaf(struct ctree_path *path, int level)
return 0;
if (parent) {
struct key *parent_key;
struct btrfs_disk_key *parent_key;
parent_key = &parent->keys[parent_slot];
BUG_ON(memcmp(parent_key, &leaf->items[0].key,
sizeof(struct key)));
sizeof(struct btrfs_disk_key)));
BUG_ON(parent->blockptrs[parent_slot] !=
btrfs_header_blocknr(&leaf->header));
}
for (i = 0; nritems > 1 && i < nritems - 2; i++) {
struct btrfs_key cpukey;
btrfs_disk_key_to_cpu(&cpukey, &leaf->items[i + 1].key);
BUG_ON(comp_keys(&leaf->items[i].key,
&leaf->items[i+1].key) >= 0);
&cpukey) >= 0);
BUG_ON(leaf->items[i].offset != leaf->items[i + 1].offset +
leaf->items[i + 1].size);
if (i == 0) {
@ -191,18 +200,18 @@ int check_block(struct ctree_path *path, int level)
*
* slot may point to max if the key is bigger than all of the keys
*/
int generic_bin_search(char *p, int item_size, struct key *key,
int generic_bin_search(char *p, int item_size, struct btrfs_key *key,
int max, int *slot)
{
int low = 0;
int high = max;
int mid;
int ret;
struct key *tmp;
struct btrfs_disk_key *tmp;
while(low < high) {
mid = (low + high) / 2;
tmp = (struct key *)(p + mid * item_size);
tmp = (struct btrfs_disk_key *)(p + mid * item_size);
ret = comp_keys(tmp, key);
if (ret < 0)
@ -222,7 +231,7 @@ int generic_bin_search(char *p, int item_size, struct key *key,
* simple bin_search frontend that does the right thing for
* leaves vs nodes
*/
int bin_search(struct node *c, struct key *key, int *slot)
int bin_search(struct node *c, struct btrfs_key *key, int *slot)
{
if (btrfs_is_leaf(c)) {
struct leaf *l = (struct leaf *)c;
@ -230,7 +239,8 @@ int bin_search(struct node *c, struct key *key, int *slot)
key, btrfs_header_nritems(&c->header),
slot);
} else {
return generic_bin_search((void *)c->keys, sizeof(struct key),
return generic_bin_search((void *)c->keys,
sizeof(struct btrfs_disk_key),
key, btrfs_header_nritems(&c->header),
slot);
}
@ -339,7 +349,7 @@ static int balance_level(struct ctree_root *root, struct ctree_path *path,
ret = wret;
} else {
memcpy(parent->keys + pslot + 1, right->keys,
sizeof(struct key));
sizeof(struct btrfs_disk_key));
BUG_ON(list_empty(&parent_buf->dirty));
}
}
@ -374,7 +384,8 @@ static int balance_level(struct ctree_root *root, struct ctree_path *path,
ret = wret;
} else {
/* update the parent key to reflect our changes */
memcpy(parent->keys + pslot, mid->keys, sizeof(struct key));
memcpy(parent->keys + pslot, mid->keys,
sizeof(struct btrfs_disk_key));
BUG_ON(list_empty(&parent_buf->dirty));
}
@ -417,7 +428,7 @@ static int balance_level(struct ctree_root *root, struct ctree_path *path,
* tree. if ins_len < 0, nodes will be merged as we walk down the tree (if
* possible)
*/
int search_slot(struct ctree_root *root, struct key *key,
int search_slot(struct ctree_root *root, struct btrfs_key *key,
struct ctree_path *p, int ins_len, int cow)
{
struct tree_buffer *b;
@ -499,7 +510,7 @@ again:
* fixing up the blocks in ram so the tree is consistent.
*/
static int fixup_low_keys(struct ctree_root *root,
struct ctree_path *path, struct key *key,
struct ctree_path *path, struct btrfs_disk_key *key,
int level)
{
int i;
@ -546,12 +557,13 @@ static int push_node_left(struct ctree_root *root, struct tree_buffer *dst_buf,
push_items = src_nritems;
memcpy(dst->keys + dst_nritems, src->keys,
push_items * sizeof(struct key));
push_items * sizeof(struct btrfs_disk_key));
memcpy(dst->blockptrs + dst_nritems, src->blockptrs,
push_items * sizeof(u64));
if (push_items < src_nritems) {
memmove(src->keys, src->keys + push_items,
(src_nritems - push_items) * sizeof(struct key));
(src_nritems - push_items) *
sizeof(struct btrfs_disk_key));
memmove(src->blockptrs, src->blockptrs + push_items,
(src_nritems - push_items) * sizeof(u64));
}
@ -598,11 +610,11 @@ static int balance_node_right(struct ctree_root *root,
push_items = max_push;
memmove(dst->keys + push_items, dst->keys,
dst_nritems * sizeof(struct key));
dst_nritems * sizeof(struct btrfs_disk_key));
memmove(dst->blockptrs + push_items, dst->blockptrs,
dst_nritems * sizeof(u64));
memcpy(dst->keys, src->keys + src_nritems - push_items,
push_items * sizeof(struct key));
push_items * sizeof(struct btrfs_disk_key));
memcpy(dst->blockptrs, src->blockptrs + src_nritems - push_items,
push_items * sizeof(u64));
@ -627,7 +639,7 @@ static int insert_new_root(struct ctree_root *root,
struct tree_buffer *t;
struct node *lower;
struct node *c;
struct key *lower_key;
struct btrfs_disk_key *lower_key;
BUG_ON(path->nodes[level]);
BUG_ON(path->nodes[level-1] != root->node);
@ -645,7 +657,7 @@ static int insert_new_root(struct ctree_root *root,
lower_key = &((struct leaf *)lower)->items[0].key;
else
lower_key = lower->keys;
memcpy(c->keys, lower_key, sizeof(struct key));
memcpy(c->keys, lower_key, sizeof(struct btrfs_disk_key));
c->blockptrs[0] = path->nodes[level-1]->blocknr;
/* the super has an extra ref to root->node */
tree_block_release(root, root->node);
@ -666,7 +678,7 @@ static int insert_new_root(struct ctree_root *root,
* returns zero on success and < 0 on any error
*/
static int insert_ptr(struct ctree_root *root,
struct ctree_path *path, struct key *key,
struct ctree_path *path, struct btrfs_disk_key *key,
u64 blocknr, int slot, int level)
{
struct node *lower;
@ -681,11 +693,11 @@ static int insert_ptr(struct ctree_root *root,
BUG();
if (slot != nritems) {
memmove(lower->keys + slot + 1, lower->keys + slot,
(nritems - slot) * sizeof(struct key));
(nritems - slot) * sizeof(struct btrfs_disk_key));
memmove(lower->blockptrs + slot + 1, lower->blockptrs + slot,
(nritems - slot) * sizeof(u64));
}
memcpy(lower->keys + slot, key, sizeof(struct key));
memcpy(lower->keys + slot, key, sizeof(struct btrfs_disk_key));
lower->blockptrs[slot] = blocknr;
btrfs_set_header_nritems(&lower->header, nritems + 1);
if (lower->keys[1].objectid == 0)
@ -732,7 +744,7 @@ static int split_node(struct ctree_root *root, struct ctree_path *path,
btrfs_header_parentid(&root->node->node.header));
mid = (c_nritems + 1) / 2;
memcpy(split->keys, c->keys + mid,
(c_nritems - mid) * sizeof(struct key));
(c_nritems - mid) * sizeof(struct btrfs_disk_key));
memcpy(split->blockptrs, c->blockptrs + mid,
(c_nritems - mid) * sizeof(u64));
btrfs_set_header_nritems(&split->header, c_nritems - mid);
@ -869,7 +881,7 @@ static int push_leaf_right(struct ctree_root *root, struct ctree_path *path,
BUG_ON(list_empty(&left_buf->dirty));
BUG_ON(list_empty(&right_buf->dirty));
memcpy(upper->node.keys + slot + 1,
&right->items[0].key, sizeof(struct key));
&right->items[0].key, sizeof(struct btrfs_disk_key));
BUG_ON(list_empty(&upper->dirty));
/* then fixup the leaf pointer in the path */
@ -1090,7 +1102,7 @@ static int split_leaf(struct ctree_root *root, struct ctree_path *path,
* Given a key and some data, insert an item into the tree.
* This does all the path init required, making room in the tree if needed.
*/
int insert_item(struct ctree_root *root, struct key *key,
int insert_item(struct ctree_root *root, struct btrfs_key *cpu_key,
void *data, int data_size)
{
int ret = 0;
@ -1101,12 +1113,15 @@ int insert_item(struct ctree_root *root, struct key *key,
u32 nritems;
unsigned int data_end;
struct ctree_path path;
struct btrfs_disk_key disk_key;
btrfs_cpu_key_to_disk(&disk_key, cpu_key);
/* create a root if there isn't one */
if (!root->node)
BUG();
init_path(&path);
ret = search_slot(root, key, &path, data_size, 1);
ret = search_slot(root, cpu_key, &path, data_size, 1);
if (ret == 0) {
release_path(root, &path);
return -EEXIST;
@ -1148,7 +1163,8 @@ int insert_item(struct ctree_root *root, struct key *key,
data_end = old_data;
}
/* copy the new data in */
memcpy(&leaf->items[slot].key, key, sizeof(struct key));
memcpy(&leaf->items[slot].key, &disk_key,
sizeof(struct btrfs_disk_key));
leaf->items[slot].offset = data_end - data_size;
leaf->items[slot].size = data_size;
memcpy(leaf->data + data_end - data_size, data, data_size);
@ -1156,7 +1172,7 @@ int insert_item(struct ctree_root *root, struct key *key,
ret = 0;
if (slot == 0)
ret = fixup_low_keys(root, &path, key, 1);
ret = fixup_low_keys(root, &path, &disk_key, 1);
BUG_ON(list_empty(&leaf_buf->dirty));
if (leaf_free_space(leaf) < 0)
@ -1187,7 +1203,7 @@ static int del_ptr(struct ctree_root *root, struct ctree_path *path, int level,
nritems = btrfs_header_nritems(&node->header);
if (slot != nritems -1) {
memmove(node->keys + slot, node->keys + slot + 1,
sizeof(struct key) * (nritems - slot - 1));
sizeof(struct btrfs_disk_key) * (nritems - slot - 1));
memmove(node->blockptrs + slot,
node->blockptrs + slot + 1,
sizeof(u64) * (nritems - slot - 1));

78
ctree.h
View File

@ -2,6 +2,7 @@
#define __CTREE__
#include "list.h"
#include "kerncompat.h"
#define CTREE_BLOCKSIZE 1024
@ -14,8 +15,18 @@
* may point to extents.
*
* offset is the starting byte offset for this key in the stream.
*
* btrfs_disk_key is in disk byte order. struct btrfs_key is always
* in cpu native order. Otherwise they are identical and their sizes
* should be the same (ie both packed)
*/
struct key {
struct btrfs_disk_key {
__le64 objectid;
__le32 flags;
__le64 offset;
} __attribute__ ((__packed__));
struct btrfs_key {
u64 objectid;
u32 flags;
u64 offset;
@ -37,7 +48,7 @@ struct btrfs_header {
#define MAX_LEVEL 8
#define NODEPTRS_PER_BLOCK ((CTREE_BLOCKSIZE - sizeof(struct btrfs_header)) / \
(sizeof(struct key) + sizeof(u64)))
(sizeof(struct btrfs_disk_key) + sizeof(u64)))
struct tree_buffer;
@ -50,8 +61,8 @@ struct ctree_root {
struct tree_buffer *node;
struct tree_buffer *commit_root;
struct ctree_root *extent_root;
struct key current_insert;
struct key last_insert;
struct btrfs_key current_insert;
struct btrfs_key last_insert;
int fp;
struct radix_tree_root cache_radix;
struct radix_tree_root pinned_radix;
@ -88,7 +99,7 @@ struct ctree_super_block {
* the item in the leaf (relative to the start of the data area)
*/
struct item {
struct key key;
struct btrfs_disk_key key;
u16 offset;
u16 size;
} __attribute__ ((__packed__));
@ -115,7 +126,7 @@ struct leaf {
*/
struct node {
struct btrfs_header header;
struct key keys[NODEPTRS_PER_BLOCK];
struct btrfs_disk_key keys[NODEPTRS_PER_BLOCK];
u64 blockptrs[NODEPTRS_PER_BLOCK];
} __attribute__ ((__packed__));
@ -141,6 +152,55 @@ struct ctree_path {
int slots[MAX_LEVEL];
};
static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu,
struct btrfs_disk_key *disk)
{
cpu->offset = le64_to_cpu(disk->offset);
cpu->flags = le32_to_cpu(disk->flags);
cpu->objectid = le64_to_cpu(disk->objectid);
}
static inline void btrfs_cpu_key_to_disk(struct btrfs_disk_key *disk,
struct btrfs_key *cpu)
{
disk->offset = cpu_to_le64(cpu->offset);
disk->flags = cpu_to_le32(cpu->flags);
disk->objectid = cpu_to_le64(cpu->objectid);
}
static inline u64 btrfs_key_objectid(struct btrfs_disk_key *disk)
{
return le64_to_cpu(disk->objectid);
}
static inline void btrfs_set_key_objectid(struct btrfs_disk_key *disk,
u64 val)
{
disk->objectid = cpu_to_le64(val);
}
static inline u64 btrfs_key_offset(struct btrfs_disk_key *disk)
{
return le64_to_cpu(disk->offset);
}
static inline void btrfs_set_key_offset(struct btrfs_disk_key *disk,
u64 val)
{
disk->offset = cpu_to_le64(val);
}
static inline u32 btrfs_key_flags(struct btrfs_disk_key *disk)
{
return le32_to_cpu(disk->flags);
}
static inline void btrfs_set_key_flags(struct btrfs_disk_key *disk,
u32 val)
{
disk->flags = cpu_to_le32(val);
}
static inline u64 btrfs_header_blocknr(struct btrfs_header *h)
{
return le64_to_cpu(h->blocknr);
@ -203,11 +263,13 @@ static inline int btrfs_is_leaf(struct node *n)
struct tree_buffer *alloc_free_block(struct ctree_root *root);
int btrfs_inc_ref(struct ctree_root *root, struct tree_buffer *buf);
int free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks);
int search_slot(struct ctree_root *root, struct key *key, struct ctree_path *p, int ins_len, int cow);
int search_slot(struct ctree_root *root, struct btrfs_key *key,
struct ctree_path *p, int ins_len, int cow);
void release_path(struct ctree_root *root, struct ctree_path *p);
void init_path(struct ctree_path *p);
int del_item(struct ctree_root *root, struct ctree_path *path);
int insert_item(struct ctree_root *root, struct key *key, void *data, int data_size);
int insert_item(struct ctree_root *root, struct btrfs_key *key,
void *data, int data_size);
int next_leaf(struct ctree_root *root, struct ctree_path *path);
int leaf_free_space(struct leaf *leaf);
int btrfs_drop_snapshot(struct ctree_root *root, struct tree_buffer *snap);

34
extent-tree.c
View File

@ -7,7 +7,8 @@
#include "print-tree.h"
static int find_free_extent(struct ctree_root *orig_root, u64 num_blocks,
u64 search_start, u64 search_end, struct key *ins);
u64 search_start, u64 search_end,
struct btrfs_key *ins);
static int finish_current_insert(struct ctree_root *extent_root);
static int run_pending(struct ctree_root *extent_root);
@ -24,10 +25,10 @@ static int inc_block_ref(struct ctree_root *root, u64 blocknr)
{
struct ctree_path path;
int ret;
struct key key;
struct btrfs_key key;
struct leaf *l;
struct extent_item *item;
struct key ins;
struct btrfs_key ins;
find_free_extent(root->extent_root, 0, 0, (u64)-1, &ins);
init_path(&path);
@ -54,7 +55,7 @@ static int lookup_block_ref(struct ctree_root *root, u64 blocknr, u32 *refs)
{
struct ctree_path path;
int ret;
struct key key;
struct btrfs_key key;
struct leaf *l;
struct extent_item *item;
init_path(&path);
@ -113,7 +114,7 @@ int btrfs_finish_extent_commit(struct ctree_root *root)
static int finish_current_insert(struct ctree_root *extent_root)
{
struct key ins;
struct btrfs_key ins;
struct extent_item extent_item;
int i;
int ret;
@ -140,12 +141,12 @@ static int finish_current_insert(struct ctree_root *extent_root)
int __free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks)
{
struct ctree_path path;
struct key key;
struct btrfs_key key;
struct ctree_root *extent_root = root->extent_root;
int ret;
struct item *item;
struct extent_item *ei;
struct key ins;
struct btrfs_key ins;
key.objectid = blocknr;
key.flags = 0;
@ -227,7 +228,7 @@ static int run_pending(struct ctree_root *extent_root)
*/
int free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks)
{
struct key key;
struct btrfs_key key;
struct ctree_root *extent_root = root->extent_root;
struct tree_buffer *t;
int pending_ret;
@ -256,10 +257,11 @@ int free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks)
* Any available blocks before search_start are skipped.
*/
static int find_free_extent(struct ctree_root *orig_root, u64 num_blocks,
u64 search_start, u64 search_end, struct key *ins)
u64 search_start, u64 search_end,
struct btrfs_key *ins)
{
struct ctree_path path;
struct key *key;
struct btrfs_key key;
int ret;
u64 hole_size = 0;
int slot = 0;
@ -306,12 +308,12 @@ check_failed:
ins->offset = (u64)-1;
goto check_pending;
}
key = &l->items[slot].key;
if (key->objectid >= search_start) {
btrfs_disk_key_to_cpu(&key, &l->items[slot].key);
if (key.objectid >= search_start) {
if (start_found) {
if (last_block < search_start)
last_block = search_start;
hole_size = key->objectid - last_block;
hole_size = key.objectid - last_block;
if (hole_size > total_needed) {
ins->objectid = last_block;
ins->offset = hole_size;
@ -320,7 +322,7 @@ check_failed:
}
}
start_found = 1;
last_block = key->objectid + key->offset;
last_block = key.objectid + key.offset;
path.slots[0]++;
}
// FIXME -ENOSPC
@ -357,7 +359,7 @@ error:
* returns 0 if everything worked, non-zero otherwise.
*/
int alloc_extent(struct ctree_root *root, u64 num_blocks, u64 search_start,
u64 search_end, u64 owner, struct key *ins)
u64 search_end, u64 owner, struct btrfs_key *ins)
{
int ret;
int pending_ret;
@ -400,7 +402,7 @@ int alloc_extent(struct ctree_root *root, u64 num_blocks, u64 search_start,
*/
struct tree_buffer *alloc_free_block(struct ctree_root *root)
{
struct key ins;
struct btrfs_key ins;
int ret;
struct tree_buffer *buf;

3
kerncompat.h
View File

@ -69,8 +69,6 @@ static inline void __clear_bit(int bit, unsigned long *map) {
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - __builtin_offsetof(type,member) );})
#endif
#define ENOMEM 5
#define EEXIST 6
@ -94,3 +92,4 @@ typedef u64 __bitwise __be64;
#define le32_to_cpu(x) ((__force u32)(__le32)(x))
#define cpu_to_le16(x) ((__force __le16)(u16)(x))
#define le16_to_cpu(x) ((__force u16)(__le16)(x))
#endif

14
mkfs.c
View File

@ -45,9 +45,9 @@ int mkfs(int fd)
btrfs_set_header_nritems(&empty_leaf.header, 3);
/* item1, reserve blocks 0-16 */
item.key.objectid = 0;
item.key.offset = 17;
item.key.flags = 0;
item.key.objectid = cpu_to_le64(0);
item.key.offset = cpu_to_le64(17);
item.key.flags = cpu_to_le32(0);
item.offset = LEAF_DATA_SIZE - sizeof(struct extent_item);
item.size = sizeof(struct extent_item);
extent_item.refs = 1;
@ -56,16 +56,16 @@ int mkfs(int fd)
memcpy(empty_leaf.data + item.offset, &extent_item, item.size);
/* item2, give block 17 to the root */
item.key.objectid = 17;
item.key.offset = 1;
item.key.objectid = cpu_to_le64(17);
item.key.offset = cpu_to_le64(1);
item.offset = LEAF_DATA_SIZE - sizeof(struct extent_item) * 2;
extent_item.owner = 1;
memcpy(empty_leaf.items + 1, &item, sizeof(item));
memcpy(empty_leaf.data + item.offset, &extent_item, item.size);
/* item3, give block 18 for the extent root */
item.key.objectid = 18;
item.key.offset = 1;
item.key.objectid = cpu_to_le64(18);
item.key.offset = cpu_to_le64(1);
item.offset = LEAF_DATA_SIZE - sizeof(struct extent_item) * 3;
extent_item.owner = 2;
memcpy(empty_leaf.items + 2, &item, sizeof(item));

6
quick-test.c
View File

@ -13,8 +13,8 @@ int next_key(int i, int max_key) {
}
int main(int ac, char **av) {
struct key ins;
struct key last = { (u64)-1, 0, 0};
struct btrfs_key ins;
struct btrfs_key last = { (u64)-1, 0, 0};
char *buf;
int i;
int num;
@ -146,7 +146,7 @@ int main(int ac, char **av) {
slot = path.slots[0];
leaf = &path.nodes[0]->leaf;
memcpy(&last, &leaf->items[slot].key, sizeof(last));
btrfs_disk_key_to_cpu(&last, &leaf->items[slot].key);
if (tree_size % 10000 == 0)
printf("big del %d:%d\n", tree_size, i);
ret = del_item(root, &path);

17
random-test.c
View File

@ -10,7 +10,8 @@
int keep_running = 1;
struct ctree_super_block super;
static int setup_key(struct radix_tree_root *root, struct key *key, int exists)
static int setup_key(struct radix_tree_root *root, struct btrfs_key *key,
int exists)
{
int num = rand();
unsigned long res[2];
@ -38,7 +39,7 @@ again:
static int ins_one(struct ctree_root *root, struct radix_tree_root *radix)
{
struct ctree_path path;
struct key key;
struct btrfs_key key;
int ret;
char buf[128];
unsigned long oid;
@ -63,7 +64,7 @@ error:
static int insert_dup(struct ctree_root *root, struct radix_tree_root *radix)
{
struct ctree_path path;
struct key key;
struct btrfs_key key;
int ret;
char buf[128];
init_path(&path);
@ -82,7 +83,7 @@ static int insert_dup(struct ctree_root *root, struct radix_tree_root *radix)
static int del_one(struct ctree_root *root, struct radix_tree_root *radix)
{
struct ctree_path path;
struct key key;
struct btrfs_key key;
int ret;
unsigned long *ptr;
init_path(&path);
@ -108,7 +109,7 @@ error:
static int lookup_item(struct ctree_root *root, struct radix_tree_root *radix)
{
struct ctree_path path;
struct key key;
struct btrfs_key key;
int ret;
init_path(&path);
ret = setup_key(radix, &key, 1);
@ -127,7 +128,7 @@ error:
static int lookup_enoent(struct ctree_root *root, struct radix_tree_root *radix)
{
struct ctree_path path;
struct key key;
struct btrfs_key key;
int ret;
init_path(&path);
ret = setup_key(radix, &key, 0);
@ -147,7 +148,7 @@ static int empty_tree(struct ctree_root *root, struct radix_tree_root *radix,
int nr)
{
struct ctree_path path;
struct key key;
struct btrfs_key key;
unsigned long found = 0;
int ret;
int slot;
@ -248,7 +249,7 @@ int (*ops[])(struct ctree_root *root, struct radix_tree_root *radix) =
static int fill_radix(struct ctree_root *root, struct radix_tree_root *radix)
{
struct ctree_path path;
struct key key;
struct btrfs_key key;
unsigned long found;
int ret;
int slot;