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-rw-r--r--fs/btrfs/Makefile3
-rw-r--r--fs/btrfs/ctree.h129
-rw-r--r--fs/btrfs/debug-tree.c9
-rw-r--r--fs/btrfs/dir-test.c91
-rw-r--r--fs/btrfs/disk-io.c176
-rw-r--r--fs/btrfs/extent-tree.c105
-rw-r--r--fs/btrfs/file-item.c6
-rw-r--r--fs/btrfs/inode-map.c136
-rw-r--r--fs/btrfs/mkfs.c44
-rw-r--r--fs/btrfs/print-tree.c13
-rw-r--r--fs/btrfs/quick-test.c3
11 files changed, 542 insertions, 173 deletions
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index 7953b41848c1..636c63efde6f 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -3,7 +3,8 @@ CFLAGS = -g -Wall -Werror
3headers = radix-tree.h ctree.h disk-io.h kerncompat.h print-tree.h list.h \ 3headers = radix-tree.h ctree.h disk-io.h kerncompat.h print-tree.h list.h \
4 transaction.h 4 transaction.h
5objects = ctree.o disk-io.o radix-tree.o mkfs.o extent-tree.o print-tree.o \ 5objects = ctree.o disk-io.o radix-tree.o mkfs.o extent-tree.o print-tree.o \
6 root-tree.o dir-item.o hash.o file-item.o inode-item.o 6 root-tree.o dir-item.o hash.o file-item.o inode-item.o \
7 inode-map.o \
7 8
8# if you don't have sparse installed, use ls instead 9# if you don't have sparse installed, use ls instead
9CHECKFLAGS=-D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise \ 10CHECKFLAGS=-D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise \
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 68f0af39777f..68e3da274f17 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -10,7 +10,8 @@ struct btrfs_trans_handle;
10 10
11#define BTRFS_ROOT_TREE_OBJECTID 1 11#define BTRFS_ROOT_TREE_OBJECTID 1
12#define BTRFS_EXTENT_TREE_OBJECTID 2 12#define BTRFS_EXTENT_TREE_OBJECTID 2
13#define BTRFS_FS_TREE_OBJECTID 3 13#define BTRFS_INODE_MAP_OBJECTID 3
14#define BTRFS_FS_TREE_OBJECTID 4
14 15
15/* 16/*
16 * the key defines the order in the tree, and so it also defines (optimal) 17 * the key defines the order in the tree, and so it also defines (optimal)
@@ -178,31 +179,65 @@ struct btrfs_root_item {
178 __le64 block_limit; 179 __le64 block_limit;
179 __le64 blocks_used; 180 __le64 blocks_used;
180 __le32 refs; 181 __le32 refs;
181}; 182} __attribute__ ((__packed__));
182 183
183/* 184struct btrfs_file_extent_item {
184 * in ram representation of the tree. extent_root is used for all allocations 185 /*
185 * and for the extent tree extent_root root. current_insert is used 186 * disk space consumed by the extent, checksum blocks are included
186 * only for the extent tree. 187 * in these numbers
187 */ 188 */
188struct btrfs_root { 189 __le64 disk_blocknr;
189 struct btrfs_buffer *node; 190 __le64 disk_num_blocks;
190 struct btrfs_buffer *commit_root; 191 /*
192 * the logical offset in file bytes (no csums)
193 * this extent record is for. This allows a file extent to point
194 * into the middle of an existing extent on disk, sharing it
195 * between two snapshots (useful if some bytes in the middle of the
196 * extent have changed
197 */
198 __le64 offset;
199 /*
200 * the logical number of file blocks (no csums included)
201 */
202 __le64 num_blocks;
203} __attribute__ ((__packed__));
204
205struct btrfs_inode_map_item {
206 struct btrfs_disk_key key;
207} __attribute__ ((__packed__));
208
209struct btrfs_fs_info {
210 struct btrfs_root *fs_root;
191 struct btrfs_root *extent_root; 211 struct btrfs_root *extent_root;
192 struct btrfs_root *tree_root; 212 struct btrfs_root *tree_root;
213 struct btrfs_root *inode_root;
193 struct btrfs_key current_insert; 214 struct btrfs_key current_insert;
194 struct btrfs_key last_insert; 215 struct btrfs_key last_insert;
195 int fp;
196 struct radix_tree_root cache_radix; 216 struct radix_tree_root cache_radix;
197 struct radix_tree_root pinned_radix; 217 struct radix_tree_root pinned_radix;
198 struct list_head trans; 218 struct list_head trans;
199 struct list_head cache; 219 struct list_head cache;
220 u64 last_inode_alloc;
221 u64 last_inode_alloc_dirid;
200 int cache_size; 222 int cache_size;
201 int ref_cows; 223 int fp;
224 struct btrfs_trans_handle *running_transaction;
225};
226
227/*
228 * in ram representation of the tree. extent_root is used for all allocations
229 * and for the extent tree extent_root root. current_insert is used
230 * only for the extent tree.
231 */
232struct btrfs_root {
233 struct btrfs_buffer *node;
234 struct btrfs_buffer *commit_root;
202 struct btrfs_root_item root_item; 235 struct btrfs_root_item root_item;
203 struct btrfs_key root_key; 236 struct btrfs_key root_key;
237 struct btrfs_fs_info *fs_info;
204 u32 blocksize; 238 u32 blocksize;
205 struct btrfs_trans_handle *running_transaction; 239 int ref_cows;
240 u32 type;
206}; 241};
207 242
208/* the lower bits in the key flags defines the item type */ 243/* the lower bits in the key flags defines the item type */
@@ -240,11 +275,17 @@ struct btrfs_root {
240 * are used, and how many references there are to each block 275 * are used, and how many references there are to each block
241 */ 276 */
242#define BTRFS_EXTENT_ITEM_KEY 6 277#define BTRFS_EXTENT_ITEM_KEY 6
278
279/*
280 * the inode map records which inode numbers are in use and where
281 * they actually live on disk
282 */
283#define BTRFS_INODE_MAP_ITEM_KEY 7
243/* 284/*
244 * string items are for debugging. They just store a short string of 285 * string items are for debugging. They just store a short string of
245 * data in the FS 286 * data in the FS
246 */ 287 */
247#define BTRFS_STRING_ITEM_KEY 7 288#define BTRFS_STRING_ITEM_KEY 8
248 289
249static inline u64 btrfs_inode_generation(struct btrfs_inode_item *i) 290static inline u64 btrfs_inode_generation(struct btrfs_inode_item *i)
250{ 291{
@@ -654,6 +695,57 @@ static inline u8 *btrfs_leaf_data(struct btrfs_leaf *l)
654{ 695{
655 return (u8 *)l->items; 696 return (u8 *)l->items;
656} 697}
698
699static inline u64 btrfs_file_extent_disk_blocknr(struct btrfs_file_extent_item
700 *e)
701{
702 return le64_to_cpu(e->disk_blocknr);
703}
704
705static inline void btrfs_set_file_extent_disk_blocknr(struct
706 btrfs_file_extent_item
707 *e, u64 val)
708{
709 e->disk_blocknr = cpu_to_le64(val);
710}
711
712static inline u64 btrfs_file_extent_disk_num_blocks(struct
713 btrfs_file_extent_item *e)
714{
715 return le64_to_cpu(e->disk_num_blocks);
716}
717
718static inline void btrfs_set_file_extent_disk_num_blocks(struct
719 btrfs_file_extent_item
720 *e, u64 val)
721{
722 e->disk_num_blocks = cpu_to_le64(val);
723}
724
725static inline u64 btrfs_file_extent_offset(struct btrfs_file_extent_item *e)
726{
727 return le64_to_cpu(e->offset);
728}
729
730static inline void btrfs_set_file_extent_offset(struct btrfs_file_extent_item
731 *e, u64 val)
732{
733 e->offset = cpu_to_le64(val);
734}
735
736static inline u64 btrfs_file_extent_num_blocks(struct btrfs_file_extent_item
737 *e)
738{
739 return le64_to_cpu(e->num_blocks);
740}
741
742static inline void btrfs_set_file_extent_num_blocks(struct
743 btrfs_file_extent_item *e,
744 u64 val)
745{
746 e->num_blocks = cpu_to_le64(val);
747}
748
657/* helper function to cast into the data area of the leaf. */ 749/* helper function to cast into the data area of the leaf. */
658#define btrfs_item_ptr(leaf, slot, type) \ 750#define btrfs_item_ptr(leaf, slot, type) \
659 ((type *)(btrfs_leaf_data(leaf) + \ 751 ((type *)(btrfs_leaf_data(leaf) + \
@@ -701,4 +793,13 @@ int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
701 int name_len, int mod); 793 int name_len, int mod);
702int btrfs_match_dir_item_name(struct btrfs_root *root, struct btrfs_path *path, 794int btrfs_match_dir_item_name(struct btrfs_root *root, struct btrfs_path *path,
703 char *name, int name_len); 795 char *name, int name_len);
796int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
797 struct btrfs_root *fs_root,
798 u64 dirid, u64 *objectid);
799int btrfs_insert_inode_map(struct btrfs_trans_handle *trans,
800 struct btrfs_root *root,
801 u64 objectid, struct btrfs_key *location);
802int btrfs_lookup_inode_map(struct btrfs_trans_handle *trans,
803 struct btrfs_root *root, struct btrfs_path *path,
804 u64 objectid, int mod);
704#endif 805#endif
diff --git a/fs/btrfs/debug-tree.c b/fs/btrfs/debug-tree.c
index 91dea7a0a476..d9f36efc3dd1 100644
--- a/fs/btrfs/debug-tree.c
+++ b/fs/btrfs/debug-tree.c
@@ -15,8 +15,13 @@ int main(int ac, char **av) {
15 printf("fs tree\n"); 15 printf("fs tree\n");
16 btrfs_print_tree(root, root->node); 16 btrfs_print_tree(root, root->node);
17 printf("map tree\n"); 17 printf("map tree\n");
18 btrfs_print_tree(root->extent_root, root->extent_root->node); 18 btrfs_print_tree(root->fs_info->extent_root,
19 root->fs_info->extent_root->node);
20 printf("inode tree\n");
21 btrfs_print_tree(root->fs_info->inode_root,
22 root->fs_info->inode_root->node);
19 printf("root tree\n"); 23 printf("root tree\n");
20 btrfs_print_tree(root->tree_root, root->tree_root->node); 24 btrfs_print_tree(root->fs_info->tree_root,
25 root->fs_info->tree_root->node);
21 return 0; 26 return 0;
22} 27}
diff --git a/fs/btrfs/dir-test.c b/fs/btrfs/dir-test.c
index e908c0c588cc..56f06c3ba573 100644
--- a/fs/btrfs/dir-test.c
+++ b/fs/btrfs/dir-test.c
@@ -45,13 +45,26 @@ static int ins_one(struct btrfs_trans_handle *trans, struct btrfs_root *root,
45 int ret; 45 int ret;
46 char buf[128]; 46 char buf[128];
47 unsigned long oid; 47 unsigned long oid;
48 u64 objectid;
48 struct btrfs_path path; 49 struct btrfs_path path;
50 struct btrfs_key inode_map;
49 51
50 find_num(radix, &oid, 0); 52 find_num(radix, &oid, 0);
51 sprintf(buf, "str-%lu", oid); 53 sprintf(buf, "str-%lu", oid);
52 54
55 ret = btrfs_find_free_objectid(trans, root, dir_oid + 1, &objectid);
56 if (ret)
57 goto error;
58
59 inode_map.objectid = objectid;
60 inode_map.flags = 0;
61 inode_map.offset = 0;
62
63 ret = btrfs_insert_inode_map(trans, root, objectid, &inode_map);
64 if (ret)
65 goto error;
53 ret = btrfs_insert_dir_item(trans, root, buf, strlen(buf), dir_oid, 66 ret = btrfs_insert_dir_item(trans, root, buf, strlen(buf), dir_oid,
54 file_oid, 1); 67 objectid, 1);
55 if (ret) 68 if (ret)
56 goto error; 69 goto error;
57 70
@@ -120,6 +133,53 @@ static int insert_dup(struct btrfs_trans_handle *trans, struct btrfs_root
120 return 0; 133 return 0;
121} 134}
122 135
136static int del_dir_item(struct btrfs_trans_handle *trans,
137 struct btrfs_root *root,
138 struct radix_tree_root *radix,
139 unsigned long radix_index,
140 struct btrfs_path *path)
141{
142 int ret;
143 unsigned long *ptr;
144 u64 file_objectid;
145 struct btrfs_dir_item *di;
146 struct btrfs_path map_path;
147
148 /* find the inode number of the file */
149 di = btrfs_item_ptr(&path->nodes[0]->leaf, path->slots[0],
150 struct btrfs_dir_item);
151 file_objectid = btrfs_dir_objectid(di);
152
153 /* delete the directory item */
154 ret = btrfs_del_item(trans, root, path);
155 if (ret)
156 goto out;
157
158 /* delete the inode mapping */
159 btrfs_init_path(&map_path);
160 ret = btrfs_lookup_inode_map(trans, root, &map_path, file_objectid, -1);
161 if (ret)
162 goto out_release;
163 ret = btrfs_del_item(trans, root->fs_info->inode_root, &map_path);
164 if (ret)
165 goto out_release;
166
167 if (root->fs_info->last_inode_alloc > file_objectid)
168 root->fs_info->last_inode_alloc = file_objectid;
169 btrfs_release_path(root, &map_path);
170 ptr = radix_tree_delete(radix, radix_index);
171 if (!ptr) {
172 ret = -5555;
173 goto out;
174 }
175 return 0;
176out_release:
177 btrfs_release_path(root, &map_path);
178out:
179 printf("failed to delete %lu %d\n", radix_index, ret);
180 return -1;
181}
182
123static int del_one(struct btrfs_trans_handle *trans, struct btrfs_root *root, 183static int del_one(struct btrfs_trans_handle *trans, struct btrfs_root *root,
124 struct radix_tree_root *radix) 184 struct radix_tree_root *radix)
125{ 185{
@@ -127,7 +187,6 @@ static int del_one(struct btrfs_trans_handle *trans, struct btrfs_root *root,
127 char buf[128]; 187 char buf[128];
128 unsigned long oid; 188 unsigned long oid;
129 struct btrfs_path path; 189 struct btrfs_path path;
130 unsigned long *ptr;
131 190
132 ret = find_num(radix, &oid, 1); 191 ret = find_num(radix, &oid, 1);
133 if (ret < 0) 192 if (ret < 0)
@@ -138,19 +197,14 @@ static int del_one(struct btrfs_trans_handle *trans, struct btrfs_root *root,
138 strlen(buf), -1); 197 strlen(buf), -1);
139 if (ret) 198 if (ret)
140 goto out_release; 199 goto out_release;
141 ret = btrfs_del_item(trans, root, &path); 200
201 ret = del_dir_item(trans, root, radix, oid, &path);
142 if (ret) 202 if (ret)
143 goto out_release; 203 goto out_release;
144 btrfs_release_path(root, &path); 204 btrfs_release_path(root, &path);
145 ptr = radix_tree_delete(radix, oid); 205 return ret;
146 if (!ptr) {
147 ret = -5555;
148 goto out;
149 }
150 return 0;
151out_release: 206out_release:
152 btrfs_release_path(root, &path); 207 btrfs_release_path(root, &path);
153out:
154 printf("failed to delete %lu %d\n", oid, ret); 208 printf("failed to delete %lu %d\n", oid, ret);
155 return -1; 209 return -1;
156} 210}
@@ -162,6 +216,8 @@ static int lookup_item(struct btrfs_trans_handle *trans, struct btrfs_root
162 char buf[128]; 216 char buf[128];
163 int ret; 217 int ret;
164 unsigned long oid; 218 unsigned long oid;
219 u64 objectid;
220 struct btrfs_dir_item *di;
165 221
166 ret = find_num(radix, &oid, 1); 222 ret = find_num(radix, &oid, 1);
167 if (ret < 0) 223 if (ret < 0)
@@ -170,6 +226,14 @@ static int lookup_item(struct btrfs_trans_handle *trans, struct btrfs_root
170 btrfs_init_path(&path); 226 btrfs_init_path(&path);
171 ret = btrfs_lookup_dir_item(trans, root, &path, dir_oid, buf, 227 ret = btrfs_lookup_dir_item(trans, root, &path, dir_oid, buf,
172 strlen(buf), 0); 228 strlen(buf), 0);
229 if (!ret) {
230 di = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
231 struct btrfs_dir_item);
232 objectid = btrfs_dir_objectid(di);
233 btrfs_release_path(root, &path);
234 btrfs_init_path(&path);
235 ret = btrfs_lookup_inode_map(trans, root, &path, objectid, 0);
236 }
173 btrfs_release_path(root, &path); 237 btrfs_release_path(root, &path);
174 if (ret) { 238 if (ret) {
175 printf("unable to find key %lu\n", oid); 239 printf("unable to find key %lu\n", oid);
@@ -210,7 +274,6 @@ static int empty_tree(struct btrfs_trans_handle *trans, struct btrfs_root
210 u32 found_len; 274 u32 found_len;
211 int ret; 275 int ret;
212 int slot; 276 int slot;
213 int *ptr;
214 int count = 0; 277 int count = 0;
215 char buf[128]; 278 char buf[128];
216 struct btrfs_dir_item *di; 279 struct btrfs_dir_item *di;
@@ -241,7 +304,7 @@ static int empty_tree(struct btrfs_trans_handle *trans, struct btrfs_root
241 BUG_ON(found_len > 128); 304 BUG_ON(found_len > 128);
242 buf[found_len] = '\0'; 305 buf[found_len] = '\0';
243 found = atoi(buf + 4); 306 found = atoi(buf + 4);
244 ret = btrfs_del_item(trans, root, &path); 307 ret = del_dir_item(trans, root, radix, found, &path);
245 count++; 308 count++;
246 if (ret) { 309 if (ret) {
247 fprintf(stderr, 310 fprintf(stderr,
@@ -250,14 +313,10 @@ static int empty_tree(struct btrfs_trans_handle *trans, struct btrfs_root
250 return -1; 313 return -1;
251 } 314 }
252 btrfs_release_path(root, &path); 315 btrfs_release_path(root, &path);
253 ptr = radix_tree_delete(radix, found);
254 if (!ptr)
255 goto error;
256 if (!keep_running) 316 if (!keep_running)
257 break; 317 break;
258 } 318 }
259 return 0; 319 return 0;
260error:
261 fprintf(stderr, "failed to delete from the radix %lu\n", found); 320 fprintf(stderr, "failed to delete from the radix %lu\n", found);
262 return -1; 321 return -1;
263} 322}
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 25ce07908ee3..1849a99690c8 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -28,15 +28,15 @@ static int free_some_buffers(struct btrfs_root *root)
28{ 28{
29 struct list_head *node, *next; 29 struct list_head *node, *next;
30 struct btrfs_buffer *b; 30 struct btrfs_buffer *b;
31 if (root->cache_size < cache_max) 31 if (root->fs_info->cache_size < cache_max)
32 return 0; 32 return 0;
33 list_for_each_safe(node, next, &root->cache) { 33 list_for_each_safe(node, next, &root->fs_info->cache) {
34 b = list_entry(node, struct btrfs_buffer, cache); 34 b = list_entry(node, struct btrfs_buffer, cache);
35 if (b->count == 1) { 35 if (b->count == 1) {
36 BUG_ON(!list_empty(&b->dirty)); 36 BUG_ON(!list_empty(&b->dirty));
37 list_del_init(&b->cache); 37 list_del_init(&b->cache);
38 btrfs_block_release(root, b); 38 btrfs_block_release(root, b);
39 if (root->cache_size < cache_max) 39 if (root->fs_info->cache_size < cache_max)
40 break; 40 break;
41 } 41 }
42 } 42 }
@@ -57,10 +57,10 @@ struct btrfs_buffer *alloc_tree_block(struct btrfs_root *root, u64 blocknr)
57 INIT_LIST_HEAD(&buf->dirty); 57 INIT_LIST_HEAD(&buf->dirty);
58 free_some_buffers(root); 58 free_some_buffers(root);
59 radix_tree_preload(GFP_KERNEL); 59 radix_tree_preload(GFP_KERNEL);
60 ret = radix_tree_insert(&root->cache_radix, blocknr, buf); 60 ret = radix_tree_insert(&root->fs_info->cache_radix, blocknr, buf);
61 radix_tree_preload_end(); 61 radix_tree_preload_end();
62 list_add_tail(&buf->cache, &root->cache); 62 list_add_tail(&buf->cache, &root->fs_info->cache);
63 root->cache_size++; 63 root->fs_info->cache_size++;
64 if (ret) { 64 if (ret) {
65 free(buf); 65 free(buf);
66 return NULL; 66 return NULL;
@@ -71,7 +71,7 @@ struct btrfs_buffer *alloc_tree_block(struct btrfs_root *root, u64 blocknr)
71struct btrfs_buffer *find_tree_block(struct btrfs_root *root, u64 blocknr) 71struct btrfs_buffer *find_tree_block(struct btrfs_root *root, u64 blocknr)
72{ 72{
73 struct btrfs_buffer *buf; 73 struct btrfs_buffer *buf;
74 buf = radix_tree_lookup(&root->cache_radix, blocknr); 74 buf = radix_tree_lookup(&root->fs_info->cache_radix, blocknr);
75 if (buf) { 75 if (buf) {
76 buf->count++; 76 buf->count++;
77 } else { 77 } else {
@@ -90,14 +90,15 @@ struct btrfs_buffer *read_tree_block(struct btrfs_root *root, u64 blocknr)
90 struct btrfs_buffer *buf; 90 struct btrfs_buffer *buf;
91 int ret; 91 int ret;
92 92
93 buf = radix_tree_lookup(&root->cache_radix, blocknr); 93 buf = radix_tree_lookup(&root->fs_info->cache_radix, blocknr);
94 if (buf) { 94 if (buf) {
95 buf->count++; 95 buf->count++;
96 } else { 96 } else {
97 buf = alloc_tree_block(root, blocknr); 97 buf = alloc_tree_block(root, blocknr);
98 if (!buf) 98 if (!buf)
99 return NULL; 99 return NULL;
100 ret = pread(root->fp, &buf->node, root->blocksize, offset); 100 ret = pread(root->fs_info->fp, &buf->node, root->blocksize,
101 offset);
101 if (ret != root->blocksize) { 102 if (ret != root->blocksize) {
102 free(buf); 103 free(buf);
103 return NULL; 104 return NULL;
@@ -113,7 +114,7 @@ int dirty_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
113{ 114{
114 if (!list_empty(&buf->dirty)) 115 if (!list_empty(&buf->dirty))
115 return 0; 116 return 0;
116 list_add_tail(&buf->dirty, &root->trans); 117 list_add_tail(&buf->dirty, &root->fs_info->trans);
117 buf->count++; 118 buf->count++;
118 return 0; 119 return 0;
119} 120}
@@ -137,7 +138,7 @@ int write_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
137 138
138 if (buf->blocknr != btrfs_header_blocknr(&buf->node.header)) 139 if (buf->blocknr != btrfs_header_blocknr(&buf->node.header))
139 BUG(); 140 BUG();
140 ret = pwrite(root->fp, &buf->node, root->blocksize, offset); 141 ret = pwrite(root->fs_info->fp, &buf->node, root->blocksize, offset);
141 if (ret != root->blocksize) 142 if (ret != root->blocksize)
142 return ret; 143 return ret;
143 return 0; 144 return 0;
@@ -149,8 +150,9 @@ static int __commit_transaction(struct btrfs_trans_handle *trans, struct
149 struct btrfs_buffer *b; 150 struct btrfs_buffer *b;
150 int ret = 0; 151 int ret = 0;
151 int wret; 152 int wret;
152 while(!list_empty(&root->trans)) { 153 while(!list_empty(&root->fs_info->trans)) {
153 b = list_entry(root->trans.next, struct btrfs_buffer, dirty); 154 b = list_entry(root->fs_info->trans.next, struct btrfs_buffer,
155 dirty);
154 list_del_init(&b->dirty); 156 list_del_init(&b->dirty);
155 wret = write_tree_block(trans, root, b); 157 wret = write_tree_block(trans, root, b);
156 if (wret) 158 if (wret)
@@ -160,13 +162,21 @@ static int __commit_transaction(struct btrfs_trans_handle *trans, struct
160 return ret; 162 return ret;
161} 163}
162 164
163static int commit_extent_and_tree_roots(struct btrfs_trans_handle *trans, 165static int commit_tree_roots(struct btrfs_trans_handle *trans,
164 struct btrfs_root *tree_root, struct 166 struct btrfs_fs_info *fs_info)
165 btrfs_root *extent_root)
166{ 167{
167 int ret; 168 int ret;
168 u64 old_extent_block; 169 u64 old_extent_block;
169 170 struct btrfs_root *tree_root = fs_info->tree_root;
171 struct btrfs_root *extent_root = fs_info->extent_root;
172 struct btrfs_root *inode_root = fs_info->inode_root;
173
174 btrfs_set_root_blocknr(&inode_root->root_item,
175 inode_root->node->blocknr);
176 ret = btrfs_update_root(trans, tree_root,
177 &inode_root->root_key,
178 &inode_root->root_item);
179 BUG_ON(ret);
170 while(1) { 180 while(1) {
171 old_extent_block = btrfs_root_blocknr(&extent_root->root_item); 181 old_extent_block = btrfs_root_blocknr(&extent_root->root_item);
172 if (old_extent_block == extent_root->node->blocknr) 182 if (old_extent_block == extent_root->node->blocknr)
@@ -178,8 +188,6 @@ static int commit_extent_and_tree_roots(struct btrfs_trans_handle *trans,
178 &extent_root->root_item); 188 &extent_root->root_item);
179 BUG_ON(ret); 189 BUG_ON(ret);
180 } 190 }
181 __commit_transaction(trans, extent_root);
182 __commit_transaction(trans, tree_root);
183 return 0; 191 return 0;
184} 192}
185 193
@@ -190,9 +198,6 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct
190 struct btrfs_buffer *snap = root->commit_root; 198 struct btrfs_buffer *snap = root->commit_root;
191 struct btrfs_key snap_key; 199 struct btrfs_key snap_key;
192 200
193 ret = __commit_transaction(trans, root);
194 BUG_ON(ret);
195
196 if (root->commit_root == root->node) 201 if (root->commit_root == root->node)
197 return 0; 202 return 0;
198 203
@@ -200,54 +205,55 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct
200 root->root_key.offset++; 205 root->root_key.offset++;
201 206
202 btrfs_set_root_blocknr(&root->root_item, root->node->blocknr); 207 btrfs_set_root_blocknr(&root->root_item, root->node->blocknr);
203 ret = btrfs_insert_root(trans, root->tree_root, &root->root_key, 208 ret = btrfs_insert_root(trans, root->fs_info->tree_root,
204 &root->root_item); 209 &root->root_key, &root->root_item);
210 BUG_ON(ret);
211
212 ret = commit_tree_roots(trans, root->fs_info);
205 BUG_ON(ret); 213 BUG_ON(ret);
206 214
207 ret = commit_extent_and_tree_roots(trans, root->tree_root, 215 ret = __commit_transaction(trans, root);
208 root->extent_root);
209 BUG_ON(ret); 216 BUG_ON(ret);
210 217
211 write_ctree_super(trans, root, s); 218 write_ctree_super(trans, root, s);
212 btrfs_finish_extent_commit(trans, root->extent_root); 219 btrfs_finish_extent_commit(trans, root->fs_info->extent_root);
213 btrfs_finish_extent_commit(trans, root->tree_root); 220 btrfs_finish_extent_commit(trans, root->fs_info->tree_root);
214 221
215 root->commit_root = root->node; 222 root->commit_root = root->node;
216 root->node->count++; 223 root->node->count++;
217 ret = btrfs_drop_snapshot(trans, root, snap); 224 ret = btrfs_drop_snapshot(trans, root, snap);
218 BUG_ON(ret); 225 BUG_ON(ret);
219 226
220 ret = btrfs_del_root(trans, root->tree_root, &snap_key); 227 ret = btrfs_del_root(trans, root->fs_info->tree_root, &snap_key);
221 BUG_ON(ret); 228 BUG_ON(ret);
222 229
223 return ret; 230 return ret;
224} 231}
225 232
226static int __setup_root(struct btrfs_super_block *super, 233static int __setup_root(struct btrfs_super_block *super,
227 struct btrfs_root *root, u64 objectid, int fp) 234 struct btrfs_root *root,
235 struct btrfs_fs_info *fs_info,
236 u64 objectid, int fp)
228{ 237{
229 INIT_LIST_HEAD(&root->trans);
230 INIT_LIST_HEAD(&root->cache);
231 root->cache_size = 0;
232 root->fp = fp;
233 root->node = NULL; 238 root->node = NULL;
234 root->commit_root = NULL; 239 root->commit_root = NULL;
235 root->blocksize = btrfs_super_blocksize(super); 240 root->blocksize = btrfs_super_blocksize(super);
236 root->ref_cows = 0; 241 root->ref_cows = 0;
237 memset(&root->current_insert, 0, sizeof(root->current_insert)); 242 root->fs_info = fs_info;
238 memset(&root->last_insert, 0, sizeof(root->last_insert));
239 memset(&root->root_key, 0, sizeof(root->root_key)); 243 memset(&root->root_key, 0, sizeof(root->root_key));
240 memset(&root->root_item, 0, sizeof(root->root_item)); 244 memset(&root->root_item, 0, sizeof(root->root_item));
241 return 0; 245 return 0;
242} 246}
243 247
244static int find_and_setup_root(struct btrfs_super_block *super, 248static int find_and_setup_root(struct btrfs_super_block *super,
245 struct btrfs_root *tree_root, u64 objectid, 249 struct btrfs_root *tree_root,
250 struct btrfs_fs_info *fs_info,
251 u64 objectid,
246 struct btrfs_root *root, int fp) 252 struct btrfs_root *root, int fp)
247{ 253{
248 int ret; 254 int ret;
249 255
250 __setup_root(super, root, objectid, fp); 256 __setup_root(super, root, fs_info, objectid, fp);
251 ret = btrfs_find_last_root(tree_root, objectid, 257 ret = btrfs_find_last_root(tree_root, objectid,
252 &root->root_item, &root->root_key); 258 &root->root_item, &root->root_key);
253 BUG_ON(ret); 259 BUG_ON(ret);
@@ -263,29 +269,31 @@ struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *super)
263 struct btrfs_root *root = malloc(sizeof(struct btrfs_root)); 269 struct btrfs_root *root = malloc(sizeof(struct btrfs_root));
264 struct btrfs_root *extent_root = malloc(sizeof(struct btrfs_root)); 270 struct btrfs_root *extent_root = malloc(sizeof(struct btrfs_root));
265 struct btrfs_root *tree_root = malloc(sizeof(struct btrfs_root)); 271 struct btrfs_root *tree_root = malloc(sizeof(struct btrfs_root));
272 struct btrfs_root *inode_root = malloc(sizeof(struct btrfs_root));
273 struct btrfs_fs_info *fs_info = malloc(sizeof(*fs_info));
266 int fp; 274 int fp;
267 int ret; 275 int ret;
268 276
269 root->extent_root = extent_root;
270 root->tree_root = tree_root;
271
272 extent_root->extent_root = extent_root;
273 extent_root->tree_root = tree_root;
274
275 tree_root->extent_root = extent_root;
276 tree_root->tree_root = tree_root;
277
278 fp = open(filename, O_CREAT | O_RDWR, 0600); 277 fp = open(filename, O_CREAT | O_RDWR, 0600);
279 if (fp < 0) { 278 if (fp < 0) {
280 free(root); 279 free(root);
281 return NULL; 280 return NULL;
282 } 281 }
283 INIT_RADIX_TREE(&root->cache_radix, GFP_KERNEL); 282 INIT_RADIX_TREE(&fs_info->cache_radix, GFP_KERNEL);
284 INIT_RADIX_TREE(&root->pinned_radix, GFP_KERNEL); 283 INIT_RADIX_TREE(&fs_info->pinned_radix, GFP_KERNEL);
285 INIT_RADIX_TREE(&extent_root->pinned_radix, GFP_KERNEL); 284 INIT_LIST_HEAD(&fs_info->trans);
286 INIT_RADIX_TREE(&extent_root->cache_radix, GFP_KERNEL); 285 INIT_LIST_HEAD(&fs_info->cache);
287 INIT_RADIX_TREE(&tree_root->pinned_radix, GFP_KERNEL); 286 fs_info->cache_size = 0;
288 INIT_RADIX_TREE(&tree_root->cache_radix, GFP_KERNEL); 287 fs_info->fp = fp;
288 fs_info->running_transaction = NULL;
289 fs_info->fs_root = root;
290 fs_info->tree_root = tree_root;
291 fs_info->extent_root = extent_root;
292 fs_info->inode_root = inode_root;
293 fs_info->last_inode_alloc = 0;
294 fs_info->last_inode_alloc_dirid = 0;
295 memset(&fs_info->current_insert, 0, sizeof(fs_info->current_insert));
296 memset(&fs_info->last_insert, 0, sizeof(fs_info->last_insert));
289 297
290 ret = pread(fp, super, sizeof(struct btrfs_super_block), 298 ret = pread(fp, super, sizeof(struct btrfs_super_block),
291 BTRFS_SUPER_INFO_OFFSET); 299 BTRFS_SUPER_INFO_OFFSET);
@@ -301,16 +309,20 @@ struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *super)
301 } 309 }
302 BUG_ON(ret < 0); 310 BUG_ON(ret < 0);
303 311
304 __setup_root(super, tree_root, BTRFS_ROOT_TREE_OBJECTID, fp); 312 __setup_root(super, tree_root, fs_info, BTRFS_ROOT_TREE_OBJECTID, fp);
305 tree_root->node = read_tree_block(tree_root, btrfs_super_root(super)); 313 tree_root->node = read_tree_block(tree_root, btrfs_super_root(super));
306 BUG_ON(!tree_root->node); 314 BUG_ON(!tree_root->node);
307 315
308 ret = find_and_setup_root(super, tree_root, BTRFS_EXTENT_TREE_OBJECTID, 316 ret = find_and_setup_root(super, tree_root, fs_info,
309 extent_root, fp); 317 BTRFS_EXTENT_TREE_OBJECTID, extent_root, fp);
310 BUG_ON(ret); 318 BUG_ON(ret);
311 319
312 ret = find_and_setup_root(super, tree_root, BTRFS_FS_TREE_OBJECTID, 320 ret = find_and_setup_root(super, tree_root, fs_info,
313 root, fp); 321 BTRFS_INODE_MAP_OBJECTID, inode_root, fp);
322 BUG_ON(ret);
323
324 ret = find_and_setup_root(super, tree_root, fs_info,
325 BTRFS_FS_TREE_OBJECTID, root, fp);
314 BUG_ON(ret); 326 BUG_ON(ret);
315 327
316 root->commit_root = root->node; 328 root->commit_root = root->node;
@@ -323,8 +335,8 @@ int write_ctree_super(struct btrfs_trans_handle *trans, struct btrfs_root
323 *root, struct btrfs_super_block *s) 335 *root, struct btrfs_super_block *s)
324{ 336{
325 int ret; 337 int ret;
326 btrfs_set_super_root(s, root->tree_root->node->blocknr); 338 btrfs_set_super_root(s, root->fs_info->tree_root->node->blocknr);
327 ret = pwrite(root->fp, s, sizeof(*s), 339 ret = pwrite(root->fs_info->fp, s, sizeof(*s),
328 BTRFS_SUPER_INFO_OFFSET); 340 BTRFS_SUPER_INFO_OFFSET);
329 if (ret != sizeof(*s)) { 341 if (ret != sizeof(*s)) {
330 fprintf(stderr, "failed to write new super block err %d\n", ret); 342 fprintf(stderr, "failed to write new super block err %d\n", ret);
@@ -335,9 +347,10 @@ int write_ctree_super(struct btrfs_trans_handle *trans, struct btrfs_root
335 347
336static int drop_cache(struct btrfs_root *root) 348static int drop_cache(struct btrfs_root *root)
337{ 349{
338 while(!list_empty(&root->cache)) { 350 while(!list_empty(&root->fs_info->cache)) {
339 struct btrfs_buffer *b = list_entry(root->cache.next, 351 struct btrfs_buffer *b = list_entry(root->fs_info->cache.next,
340 struct btrfs_buffer, cache); 352 struct btrfs_buffer,
353 cache);
341 list_del_init(&b->cache); 354 list_del_init(&b->cache);
342 btrfs_block_release(root, b); 355 btrfs_block_release(root, b);
343 } 356 }
@@ -348,26 +361,28 @@ int close_ctree(struct btrfs_root *root, struct btrfs_super_block *s)
348 int ret; 361 int ret;
349 struct btrfs_trans_handle *trans; 362 struct btrfs_trans_handle *trans;
350 363
351 trans = root->running_transaction; 364 trans = root->fs_info->running_transaction;
352 btrfs_commit_transaction(trans, root, s); 365 btrfs_commit_transaction(trans, root, s);
353 ret = commit_extent_and_tree_roots(trans, root->tree_root, 366 ret = commit_tree_roots(trans, root->fs_info);
354 root->extent_root); 367 BUG_ON(ret);
368 ret = __commit_transaction(trans, root);
355 BUG_ON(ret); 369 BUG_ON(ret);
356 write_ctree_super(trans, root, s); 370 write_ctree_super(trans, root, s);
357 drop_cache(root->extent_root);
358 drop_cache(root->tree_root);
359 drop_cache(root); 371 drop_cache(root);
360 BUG_ON(!list_empty(&root->trans)); 372 BUG_ON(!list_empty(&root->fs_info->trans));
361 BUG_ON(!list_empty(&root->extent_root->trans));
362 BUG_ON(!list_empty(&root->tree_root->trans));
363 373
364 close(root->fp); 374 close(root->fs_info->fp);
365 if (root->node) 375 if (root->node)
366 btrfs_block_release(root, root->node); 376 btrfs_block_release(root, root->node);
367 if (root->extent_root->node) 377 if (root->fs_info->extent_root->node)
368 btrfs_block_release(root->extent_root, root->extent_root->node); 378 btrfs_block_release(root->fs_info->extent_root,
369 if (root->tree_root->node) 379 root->fs_info->extent_root->node);
370 btrfs_block_release(root->tree_root, root->tree_root->node); 380 if (root->fs_info->inode_root->node)
381 btrfs_block_release(root->fs_info->inode_root,
382 root->fs_info->inode_root->node);
383 if (root->fs_info->tree_root->node)
384 btrfs_block_release(root->fs_info->tree_root,
385 root->fs_info->tree_root->node);
371 btrfs_block_release(root, root->commit_root); 386 btrfs_block_release(root, root->commit_root);
372 free(root); 387 free(root);
373 printf("on close %d blocks are allocated\n", allocated_blocks); 388 printf("on close %d blocks are allocated\n", allocated_blocks);
@@ -382,15 +397,16 @@ void btrfs_block_release(struct btrfs_root *root, struct btrfs_buffer *buf)
382 if (buf->count == 0) { 397 if (buf->count == 0) {
383 BUG_ON(!list_empty(&buf->cache)); 398 BUG_ON(!list_empty(&buf->cache));
384 BUG_ON(!list_empty(&buf->dirty)); 399 BUG_ON(!list_empty(&buf->dirty));
385 if (!radix_tree_lookup(&root->cache_radix, buf->blocknr)) 400 if (!radix_tree_lookup(&root->fs_info->cache_radix,
401 buf->blocknr))
386 BUG(); 402 BUG();
387 radix_tree_delete(&root->cache_radix, buf->blocknr); 403 radix_tree_delete(&root->fs_info->cache_radix, buf->blocknr);
388 memset(buf, 0, sizeof(*buf)); 404 memset(buf, 0, sizeof(*buf));
389 free(buf); 405 free(buf);
390 BUG_ON(allocated_blocks == 0); 406 BUG_ON(allocated_blocks == 0);
391 allocated_blocks--; 407 allocated_blocks--;
392 BUG_ON(root->cache_size == 0); 408 BUG_ON(root->fs_info->cache_size == 0);
393 root->cache_size--; 409 root->fs_info->cache_size--;
394 } 410 }
395} 411}
396 412
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index c29b92d440e0..09eeeb4d9d28 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -35,13 +35,15 @@ static int inc_block_ref(struct btrfs_trans_handle *trans, struct btrfs_root
35 struct btrfs_key ins; 35 struct btrfs_key ins;
36 u32 refs; 36 u32 refs;
37 37
38 find_free_extent(trans, root->extent_root, 0, 0, (u64)-1, &ins); 38 find_free_extent(trans, root->fs_info->extent_root, 0, 0, (u64)-1,
39 &ins);
39 btrfs_init_path(&path); 40 btrfs_init_path(&path);
40 key.objectid = blocknr; 41 key.objectid = blocknr;
41 key.flags = 0; 42 key.flags = 0;
42 btrfs_set_key_type(&key, BTRFS_EXTENT_ITEM_KEY); 43 btrfs_set_key_type(&key, BTRFS_EXTENT_ITEM_KEY);
43 key.offset = 1; 44 key.offset = 1;
44 ret = btrfs_search_slot(trans, root->extent_root, &key, &path, 0, 1); 45 ret = btrfs_search_slot(trans, root->fs_info->extent_root, &key, &path,
46 0, 1);
45 if (ret != 0) 47 if (ret != 0)
46 BUG(); 48 BUG();
47 BUG_ON(ret != 0); 49 BUG_ON(ret != 0);
@@ -51,9 +53,9 @@ static int inc_block_ref(struct btrfs_trans_handle *trans, struct btrfs_root
51 btrfs_set_extent_refs(item, refs + 1); 53 btrfs_set_extent_refs(item, refs + 1);
52 54
53 BUG_ON(list_empty(&path.nodes[0]->dirty)); 55 BUG_ON(list_empty(&path.nodes[0]->dirty));
54 btrfs_release_path(root->extent_root, &path); 56 btrfs_release_path(root->fs_info->extent_root, &path);
55 finish_current_insert(trans, root->extent_root); 57 finish_current_insert(trans, root->fs_info->extent_root);
56 run_pending(trans, root->extent_root); 58 run_pending(trans, root->fs_info->extent_root);
57 return 0; 59 return 0;
58} 60}
59 61
@@ -70,13 +72,14 @@ static int lookup_block_ref(struct btrfs_trans_handle *trans, struct btrfs_root
70 key.offset = 1; 72 key.offset = 1;
71 key.flags = 0; 73 key.flags = 0;
72 btrfs_set_key_type(&key, BTRFS_EXTENT_ITEM_KEY); 74 btrfs_set_key_type(&key, BTRFS_EXTENT_ITEM_KEY);
73 ret = btrfs_search_slot(trans, root->extent_root, &key, &path, 0, 0); 75 ret = btrfs_search_slot(trans, root->fs_info->extent_root, &key, &path,
76 0, 0);
74 if (ret != 0) 77 if (ret != 0)
75 BUG(); 78 BUG();
76 l = &path.nodes[0]->leaf; 79 l = &path.nodes[0]->leaf;
77 item = btrfs_item_ptr(l, path.slots[0], struct btrfs_extent_item); 80 item = btrfs_item_ptr(l, path.slots[0], struct btrfs_extent_item);
78 *refs = btrfs_extent_refs(item); 81 *refs = btrfs_extent_refs(item);
79 btrfs_release_path(root->extent_root, &path); 82 btrfs_release_path(root->fs_info->extent_root, &path);
80 return 0; 83 return 0;
81} 84}
82 85
@@ -107,19 +110,20 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans, struct
107 int i; 110 int i;
108 111
109 while(1) { 112 while(1) {
110 ret = radix_tree_gang_lookup(&root->pinned_radix, 113 ret = radix_tree_gang_lookup(&root->fs_info->pinned_radix,
111 (void **)gang, 0, 114 (void **)gang, 0,
112 ARRAY_SIZE(gang)); 115 ARRAY_SIZE(gang));
113 if (!ret) 116 if (!ret)
114 break; 117 break;
115 if (!first) 118 if (!first)
116 first = gang[0]; 119 first = gang[0];
117 for (i = 0; i < ret; i++) { 120 for (i = 0; i < ret; i++) {
118 radix_tree_delete(&root->pinned_radix, gang[i]); 121 radix_tree_delete(&root->fs_info->pinned_radix,
122 gang[i]);
119 } 123 }
120 } 124 }
121 root->last_insert.objectid = first; 125 root->fs_info->last_insert.objectid = first;
122 root->last_insert.offset = 0; 126 root->fs_info->last_insert.offset = 0;
123 return 0; 127 return 0;
124} 128}
125 129
@@ -138,13 +142,14 @@ static int finish_current_insert(struct btrfs_trans_handle *trans, struct
138 ins.flags = 0; 142 ins.flags = 0;
139 btrfs_set_key_type(&ins, BTRFS_EXTENT_ITEM_KEY); 143 btrfs_set_key_type(&ins, BTRFS_EXTENT_ITEM_KEY);
140 144
141 for (i = 0; i < extent_root->current_insert.flags; i++) { 145 for (i = 0; i < extent_root->fs_info->current_insert.flags; i++) {
142 ins.objectid = extent_root->current_insert.objectid + i; 146 ins.objectid = extent_root->fs_info->current_insert.objectid +
147 i;
143 ret = btrfs_insert_item(trans, extent_root, &ins, &extent_item, 148 ret = btrfs_insert_item(trans, extent_root, &ins, &extent_item,
144 sizeof(extent_item)); 149 sizeof(extent_item));
145 BUG_ON(ret); 150 BUG_ON(ret);
146 } 151 }
147 extent_root->current_insert.offset = 0; 152 extent_root->fs_info->current_insert.offset = 0;
148 return 0; 153 return 0;
149} 154}
150 155
@@ -156,7 +161,7 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
156{ 161{
157 struct btrfs_path path; 162 struct btrfs_path path;
158 struct btrfs_key key; 163 struct btrfs_key key;
159 struct btrfs_root *extent_root = root->extent_root; 164 struct btrfs_root *extent_root = root->fs_info->extent_root;
160 int ret; 165 int ret;
161 struct btrfs_extent_item *ei; 166 struct btrfs_extent_item *ei;
162 struct btrfs_key ins; 167 struct btrfs_key ins;
@@ -186,14 +191,16 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
186 if (pin) { 191 if (pin) {
187 int err; 192 int err;
188 radix_tree_preload(GFP_KERNEL); 193 radix_tree_preload(GFP_KERNEL);
189 err = radix_tree_insert(&extent_root->pinned_radix, 194 err = radix_tree_insert(
190 blocknr, (void *)blocknr); 195 &extent_root->fs_info->pinned_radix,
196 blocknr, (void *)blocknr);
191 BUG_ON(err); 197 BUG_ON(err);
192 radix_tree_preload_end(); 198 radix_tree_preload_end();
193 } 199 }
194 ret = btrfs_del_item(trans, extent_root, &path); 200 ret = btrfs_del_item(trans, extent_root, &path);
195 if (!pin && extent_root->last_insert.objectid > blocknr) 201 if (!pin && extent_root->fs_info->last_insert.objectid >
196 extent_root->last_insert.objectid = blocknr; 202 blocknr)
203 extent_root->fs_info->last_insert.objectid = blocknr;
197 if (ret) 204 if (ret)
198 BUG(); 205 BUG();
199 } 206 }
@@ -214,18 +221,19 @@ static int del_pending_extents(struct btrfs_trans_handle *trans, struct
214 int i; 221 int i;
215 222
216 while(1) { 223 while(1) {
217 ret = radix_tree_gang_lookup_tag(&extent_root->cache_radix, 224 ret = radix_tree_gang_lookup_tag(
218 (void **)gang, 0, 225 &extent_root->fs_info->cache_radix,
219 ARRAY_SIZE(gang), 226 (void **)gang, 0,
220 CTREE_EXTENT_PENDING_DEL); 227 ARRAY_SIZE(gang),
228 CTREE_EXTENT_PENDING_DEL);
221 if (!ret) 229 if (!ret)
222 break; 230 break;
223 for (i = 0; i < ret; i++) { 231 for (i = 0; i < ret; i++) {
224 ret = __free_extent(trans, extent_root, 232 ret = __free_extent(trans, extent_root,
225 gang[i]->blocknr, 1, 1); 233 gang[i]->blocknr, 1, 1);
226 radix_tree_tag_clear(&extent_root->cache_radix, 234 radix_tree_tag_clear(&extent_root->fs_info->cache_radix,
227 gang[i]->blocknr, 235 gang[i]->blocknr,
228 CTREE_EXTENT_PENDING_DEL); 236 CTREE_EXTENT_PENDING_DEL);
229 btrfs_block_release(extent_root, gang[i]); 237 btrfs_block_release(extent_root, gang[i]);
230 } 238 }
231 } 239 }
@@ -235,8 +243,8 @@ static int del_pending_extents(struct btrfs_trans_handle *trans, struct
235static int run_pending(struct btrfs_trans_handle *trans, struct btrfs_root 243static int run_pending(struct btrfs_trans_handle *trans, struct btrfs_root
236 *extent_root) 244 *extent_root)
237{ 245{
238 while(radix_tree_tagged(&extent_root->cache_radix, 246 while(radix_tree_tagged(&extent_root->fs_info->cache_radix,
239 CTREE_EXTENT_PENDING_DEL)) 247 CTREE_EXTENT_PENDING_DEL))
240 del_pending_extents(trans, extent_root); 248 del_pending_extents(trans, extent_root);
241 return 0; 249 return 0;
242} 250}
@@ -248,19 +256,19 @@ static int run_pending(struct btrfs_trans_handle *trans, struct btrfs_root
248int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root 256int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
249 *root, u64 blocknr, u64 num_blocks, int pin) 257 *root, u64 blocknr, u64 num_blocks, int pin)
250{ 258{
251 struct btrfs_root *extent_root = root->extent_root; 259 struct btrfs_root *extent_root = root->fs_info->extent_root;
252 struct btrfs_buffer *t; 260 struct btrfs_buffer *t;
253 int pending_ret; 261 int pending_ret;
254 int ret; 262 int ret;
255 263
256 if (root == extent_root) { 264 if (root == extent_root) {
257 t = find_tree_block(root, blocknr); 265 t = find_tree_block(root, blocknr);
258 radix_tree_tag_set(&root->cache_radix, blocknr, 266 radix_tree_tag_set(&root->fs_info->cache_radix, blocknr,
259 CTREE_EXTENT_PENDING_DEL); 267 CTREE_EXTENT_PENDING_DEL);
260 return 0; 268 return 0;
261 } 269 }
262 ret = __free_extent(trans, root, blocknr, num_blocks, pin); 270 ret = __free_extent(trans, root, blocknr, num_blocks, pin);
263 pending_ret = run_pending(trans, root->extent_root); 271 pending_ret = run_pending(trans, root->fs_info->extent_root);
264 return ret ? ret : pending_ret; 272 return ret ? ret : pending_ret;
265} 273}
266 274
@@ -285,12 +293,12 @@ static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
285 u64 test_block; 293 u64 test_block;
286 int start_found; 294 int start_found;
287 struct btrfs_leaf *l; 295 struct btrfs_leaf *l;
288 struct btrfs_root * root = orig_root->extent_root; 296 struct btrfs_root * root = orig_root->fs_info->extent_root;
289 int total_needed = num_blocks; 297 int total_needed = num_blocks;
290 298
291 total_needed += (btrfs_header_level(&root->node->node.header) + 1) * 3; 299 total_needed += (btrfs_header_level(&root->node->node.header) + 1) * 3;
292 if (root->last_insert.objectid > search_start) 300 if (root->fs_info->last_insert.objectid > search_start)
293 search_start = root->last_insert.objectid; 301 search_start = root->fs_info->last_insert.objectid;
294 302
295 ins->flags = 0; 303 ins->flags = 0;
296 btrfs_set_key_type(ins, BTRFS_EXTENT_ITEM_KEY); 304 btrfs_set_key_type(ins, BTRFS_EXTENT_ITEM_KEY);
@@ -353,16 +361,17 @@ check_pending:
353 BUG_ON(ins->objectid < search_start); 361 BUG_ON(ins->objectid < search_start);
354 for (test_block = ins->objectid; 362 for (test_block = ins->objectid;
355 test_block < ins->objectid + total_needed; test_block++) { 363 test_block < ins->objectid + total_needed; test_block++) {
356 if (radix_tree_lookup(&root->pinned_radix, test_block)) { 364 if (radix_tree_lookup(&root->fs_info->pinned_radix,
365 test_block)) {
357 search_start = test_block + 1; 366 search_start = test_block + 1;
358 goto check_failed; 367 goto check_failed;
359 } 368 }
360 } 369 }
361 BUG_ON(root->current_insert.offset); 370 BUG_ON(root->fs_info->current_insert.offset);
362 root->current_insert.offset = total_needed - num_blocks; 371 root->fs_info->current_insert.offset = total_needed - num_blocks;
363 root->current_insert.objectid = ins->objectid + num_blocks; 372 root->fs_info->current_insert.objectid = ins->objectid + num_blocks;
364 root->current_insert.flags = 0; 373 root->fs_info->current_insert.flags = 0;
365 root->last_insert.objectid = ins->objectid; 374 root->fs_info->last_insert.objectid = ins->objectid;
366 ins->offset = num_blocks; 375 ins->offset = num_blocks;
367 return 0; 376 return 0;
368error: 377error:
@@ -383,20 +392,20 @@ static int alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root
383{ 392{
384 int ret; 393 int ret;
385 int pending_ret; 394 int pending_ret;
386 struct btrfs_root *extent_root = root->extent_root; 395 struct btrfs_root *extent_root = root->fs_info->extent_root;
387 struct btrfs_extent_item extent_item; 396 struct btrfs_extent_item extent_item;
388 397
389 btrfs_set_extent_refs(&extent_item, 1); 398 btrfs_set_extent_refs(&extent_item, 1);
390 btrfs_set_extent_owner(&extent_item, owner); 399 btrfs_set_extent_owner(&extent_item, owner);
391 400
392 if (root == extent_root) { 401 if (root == extent_root) {
393 BUG_ON(extent_root->current_insert.offset == 0); 402 BUG_ON(extent_root->fs_info->current_insert.offset == 0);
394 BUG_ON(num_blocks != 1); 403 BUG_ON(num_blocks != 1);
395 BUG_ON(extent_root->current_insert.flags == 404 BUG_ON(extent_root->fs_info->current_insert.flags ==
396 extent_root->current_insert.offset); 405 extent_root->fs_info->current_insert.offset);
397 ins->offset = 1; 406 ins->offset = 1;
398 ins->objectid = extent_root->current_insert.objectid + 407 ins->objectid = extent_root->fs_info->current_insert.objectid +
399 extent_root->current_insert.flags++; 408 extent_root->fs_info->current_insert.flags++;
400 return 0; 409 return 0;
401 } 410 }
402 ret = find_free_extent(trans, root, num_blocks, search_start, 411 ret = find_free_extent(trans, root, num_blocks, search_start,
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index f5b36c732c5e..24cfd6d85240 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -4,4 +4,10 @@
4#include "radix-tree.h" 4#include "radix-tree.h"
5#include "ctree.h" 5#include "ctree.h"
6#include "disk-io.h" 6#include "disk-io.h"
7#include "transaction.h"
7 8
9int btrfs_create_file(struct btrfs_trans_handle *trans,
10 struct btrfs_root *root, u64 dirid, u64 *objectid)
11{
12 return 0;
13}
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
new file mode 100644
index 000000000000..f412b3392135
--- /dev/null
+++ b/fs/btrfs/inode-map.c
@@ -0,0 +1,136 @@
1#include <stdio.h>
2#include <stdlib.h>
3#include "kerncompat.h"
4#include "radix-tree.h"
5#include "ctree.h"
6#include "disk-io.h"
7#include "transaction.h"
8
9/*
10 * walks the btree of allocated inodes and find a hole.
11 */
12int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
13 struct btrfs_root *fs_root,
14 u64 dirid, u64 *objectid)
15{
16 struct btrfs_path path;
17 struct btrfs_key key;
18 int ret;
19 u64 hole_size = 0;
20 int slot = 0;
21 u64 last_ino;
22 int start_found;
23 struct btrfs_leaf *l;
24 struct btrfs_root *root = fs_root->fs_info->inode_root;
25 struct btrfs_key search_key;
26 u64 search_start = dirid;
27
28 if (fs_root->fs_info->last_inode_alloc_dirid == dirid)
29 search_start = fs_root->fs_info->last_inode_alloc;
30
31 search_key.objectid = search_start;
32 search_key.flags = 0;
33 btrfs_set_key_type(&search_key, BTRFS_INODE_MAP_ITEM_KEY);
34 search_key.offset = 0;
35
36 btrfs_init_path(&path);
37 start_found = 0;
38 ret = btrfs_search_slot(trans, root, &search_key, &path, 0, 0);
39 if (ret < 0)
40 goto error;
41
42 if (path.slots[0] > 0)
43 path.slots[0]--;
44
45 while (1) {
46 l = &path.nodes[0]->leaf;
47 slot = path.slots[0];
48 if (slot >= btrfs_header_nritems(&l->header)) {
49 ret = btrfs_next_leaf(root, &path);
50 if (ret == 0)
51 continue;
52 if (ret < 0)
53 goto error;
54 if (!start_found) {
55 *objectid = search_start;
56 start_found = 1;
57 goto found;
58 }
59 *objectid = last_ino > search_start ?
60 last_ino : search_start;
61 goto found;
62 }
63 btrfs_disk_key_to_cpu(&key, &l->items[slot].key);
64 if (key.objectid >= search_start) {
65 if (start_found) {
66 if (last_ino < search_start)
67 last_ino = search_start;
68 hole_size = key.objectid - last_ino;
69 if (hole_size > 0) {
70 *objectid = last_ino;
71 goto found;
72 }
73 }
74 }
75 start_found = 1;
76 last_ino = key.objectid + 1;
77 path.slots[0]++;
78 }
79 // FIXME -ENOSPC
80found:
81 root->fs_info->last_inode_alloc = *objectid;
82 root->fs_info->last_inode_alloc_dirid = dirid;
83 btrfs_release_path(root, &path);
84 BUG_ON(*objectid < search_start);
85 return 0;
86error:
87 btrfs_release_path(root, &path);
88 return ret;
89}
90
91int btrfs_insert_inode_map(struct btrfs_trans_handle *trans,
92 struct btrfs_root *fs_root,
93 u64 objectid, struct btrfs_key *location)
94{
95 int ret = 0;
96 struct btrfs_path path;
97 struct btrfs_inode_map_item *inode_item;
98 struct btrfs_key key;
99 struct btrfs_root *inode_root = fs_root->fs_info->inode_root;
100
101 key.objectid = objectid;
102 key.flags = 0;
103 btrfs_set_key_type(&key, BTRFS_INODE_MAP_ITEM_KEY);
104 key.offset = 0;
105 btrfs_init_path(&path);
106 ret = btrfs_insert_empty_item(trans, inode_root, &path, &key,
107 sizeof(struct btrfs_inode_map_item));
108 if (ret)
109 goto out;
110
111 inode_item = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
112 struct btrfs_inode_map_item);
113 btrfs_cpu_key_to_disk(&inode_item->key, location);
114out:
115 btrfs_release_path(inode_root, &path);
116 return ret;
117}
118
119int btrfs_lookup_inode_map(struct btrfs_trans_handle *trans,
120 struct btrfs_root *fs_root, struct btrfs_path *path,
121 u64 objectid, int mod)
122{
123 int ret;
124 struct btrfs_key key;
125 int ins_len = mod < 0 ? -1 : 0;
126 int cow = mod != 0;
127 struct btrfs_root *inode_root = fs_root->fs_info->inode_root;
128
129 key.objectid = objectid;
130 key.flags = 0;
131 key.offset = 0;
132 btrfs_set_key_type(&key, BTRFS_INODE_MAP_ITEM_KEY);
133 ret = btrfs_search_slot(trans, inode_root, &key, path, ins_len, cow);
134 return ret;
135}
136
diff --git a/fs/btrfs/mkfs.c b/fs/btrfs/mkfs.c
index 9aa900811c33..1cac5ab114dd 100644
--- a/fs/btrfs/mkfs.c
+++ b/fs/btrfs/mkfs.c
@@ -42,7 +42,7 @@ int mkfs(int fd, u64 num_blocks, u32 blocksize)
42 btrfs_set_header_parentid(&empty_leaf->header, 42 btrfs_set_header_parentid(&empty_leaf->header,
43 BTRFS_ROOT_TREE_OBJECTID); 43 BTRFS_ROOT_TREE_OBJECTID);
44 btrfs_set_header_blocknr(&empty_leaf->header, start_block + 1); 44 btrfs_set_header_blocknr(&empty_leaf->header, start_block + 1);
45 btrfs_set_header_nritems(&empty_leaf->header, 2); 45 btrfs_set_header_nritems(&empty_leaf->header, 3);
46 46
47 /* create the items for the root tree */ 47 /* create the items for the root tree */
48 btrfs_set_root_blocknr(&root_item, start_block + 2); 48 btrfs_set_root_blocknr(&root_item, start_block + 2);
@@ -61,17 +61,25 @@ int mkfs(int fd, u64 num_blocks, u32 blocksize)
61 btrfs_set_root_blocknr(&root_item, start_block + 3); 61 btrfs_set_root_blocknr(&root_item, start_block + 3);
62 itemoff = itemoff - sizeof(root_item); 62 itemoff = itemoff - sizeof(root_item);
63 btrfs_set_item_offset(&item, itemoff); 63 btrfs_set_item_offset(&item, itemoff);
64 btrfs_set_disk_key_objectid(&item.key, BTRFS_FS_TREE_OBJECTID); 64 btrfs_set_disk_key_objectid(&item.key, BTRFS_INODE_MAP_OBJECTID);
65 memcpy(empty_leaf->items + 1, &item, sizeof(item)); 65 memcpy(empty_leaf->items + 1, &item, sizeof(item));
66 memcpy(btrfs_leaf_data(empty_leaf) + itemoff, 66 memcpy(btrfs_leaf_data(empty_leaf) + itemoff,
67 &root_item, sizeof(root_item)); 67 &root_item, sizeof(root_item));
68
69 btrfs_set_root_blocknr(&root_item, start_block + 4);
70 itemoff = itemoff - sizeof(root_item);
71 btrfs_set_item_offset(&item, itemoff);
72 btrfs_set_disk_key_objectid(&item.key, BTRFS_FS_TREE_OBJECTID);
73 memcpy(empty_leaf->items + 2, &item, sizeof(item));
74 memcpy(btrfs_leaf_data(empty_leaf) + itemoff,
75 &root_item, sizeof(root_item));
68 ret = pwrite(fd, empty_leaf, blocksize, (start_block + 1) * blocksize); 76 ret = pwrite(fd, empty_leaf, blocksize, (start_block + 1) * blocksize);
69 77
70 /* create the items for the extent tree */ 78 /* create the items for the extent tree */
71 btrfs_set_header_parentid(&empty_leaf->header, 79 btrfs_set_header_parentid(&empty_leaf->header,
72 BTRFS_EXTENT_TREE_OBJECTID); 80 BTRFS_EXTENT_TREE_OBJECTID);
73 btrfs_set_header_blocknr(&empty_leaf->header, start_block + 2); 81 btrfs_set_header_blocknr(&empty_leaf->header, start_block + 2);
74 btrfs_set_header_nritems(&empty_leaf->header, 4); 82 btrfs_set_header_nritems(&empty_leaf->header, 5);
75 83
76 /* item1, reserve blocks 0-16 */ 84 /* item1, reserve blocks 0-16 */
77 btrfs_set_disk_key_objectid(&item.key, 0); 85 btrfs_set_disk_key_objectid(&item.key, 0);
@@ -108,12 +116,12 @@ int mkfs(int fd, u64 num_blocks, u32 blocksize)
108 memcpy(btrfs_leaf_data(empty_leaf) + btrfs_item_offset(&item), 116 memcpy(btrfs_leaf_data(empty_leaf) + btrfs_item_offset(&item),
109 &extent_item, btrfs_item_size(&item)); 117 &extent_item, btrfs_item_size(&item));
110 118
111 /* item4, give block 19 to the FS root */ 119 /* item4, give block 19 to the inode map */
112 btrfs_set_disk_key_objectid(&item.key, start_block + 3); 120 btrfs_set_disk_key_objectid(&item.key, start_block + 3);
113 btrfs_set_disk_key_offset(&item.key, 1); 121 btrfs_set_disk_key_offset(&item.key, 1);
114 itemoff = itemoff - sizeof(struct btrfs_extent_item); 122 itemoff = itemoff - sizeof(struct btrfs_extent_item);
115 btrfs_set_item_offset(&item, itemoff); 123 btrfs_set_item_offset(&item, itemoff);
116 btrfs_set_extent_owner(&extent_item, BTRFS_FS_TREE_OBJECTID); 124 btrfs_set_extent_owner(&extent_item, BTRFS_INODE_MAP_OBJECTID);
117 memcpy(empty_leaf->items + 3, &item, sizeof(item)); 125 memcpy(empty_leaf->items + 3, &item, sizeof(item));
118 memcpy(btrfs_leaf_data(empty_leaf) + btrfs_item_offset(&item), 126 memcpy(btrfs_leaf_data(empty_leaf) + btrfs_item_offset(&item),
119 &extent_item, btrfs_item_size(&item)); 127 &extent_item, btrfs_item_size(&item));
@@ -121,12 +129,34 @@ int mkfs(int fd, u64 num_blocks, u32 blocksize)
121 if (ret != blocksize) 129 if (ret != blocksize)
122 return -1; 130 return -1;
123 131
124 /* finally create the FS root */ 132 /* item5, give block 20 to the FS root */
125 btrfs_set_header_parentid(&empty_leaf->header, BTRFS_FS_TREE_OBJECTID); 133 btrfs_set_disk_key_objectid(&item.key, start_block + 4);
134 btrfs_set_disk_key_offset(&item.key, 1);
135 itemoff = itemoff - sizeof(struct btrfs_extent_item);
136 btrfs_set_item_offset(&item, itemoff);
137 btrfs_set_extent_owner(&extent_item, BTRFS_FS_TREE_OBJECTID);
138 memcpy(empty_leaf->items + 4, &item, sizeof(item));
139 memcpy(btrfs_leaf_data(empty_leaf) + btrfs_item_offset(&item),
140 &extent_item, btrfs_item_size(&item));
141 ret = pwrite(fd, empty_leaf, blocksize, (start_block + 2) * blocksize);
142 if (ret != blocksize)
143 return -1;
144
145 /* create the inode map */
146 btrfs_set_header_parentid(&empty_leaf->header,
147 BTRFS_INODE_MAP_OBJECTID);
126 btrfs_set_header_blocknr(&empty_leaf->header, start_block + 3); 148 btrfs_set_header_blocknr(&empty_leaf->header, start_block + 3);
127 btrfs_set_header_nritems(&empty_leaf->header, 0); 149 btrfs_set_header_nritems(&empty_leaf->header, 0);
128 ret = pwrite(fd, empty_leaf, blocksize, (start_block + 3) * blocksize); 150 ret = pwrite(fd, empty_leaf, blocksize, (start_block + 3) * blocksize);
129 if (ret != blocksize) 151 if (ret != blocksize)
130 return -1; 152 return -1;
153
154 /* finally create the FS root */
155 btrfs_set_header_parentid(&empty_leaf->header, BTRFS_FS_TREE_OBJECTID);
156 btrfs_set_header_blocknr(&empty_leaf->header, start_block + 4);
157 btrfs_set_header_nritems(&empty_leaf->header, 0);
158 ret = pwrite(fd, empty_leaf, blocksize, (start_block + 4) * blocksize);
159 if (ret != blocksize)
160 return -1;
131 return 0; 161 return 0;
132} 162}
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 0bb5c38427c9..f250e5fad773 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -13,8 +13,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
13 struct btrfs_extent_item *ei; 13 struct btrfs_extent_item *ei;
14 struct btrfs_root_item *ri; 14 struct btrfs_root_item *ri;
15 struct btrfs_dir_item *di; 15 struct btrfs_dir_item *di;
16 struct btrfs_inode_map_item *mi;
16 u32 type; 17 u32 type;
17 u32 namelen;
18 18
19 printf("leaf %Lu total ptrs %d free space %d\n", 19 printf("leaf %Lu total ptrs %d free space %d\n",
20 btrfs_header_blocknr(&l->header), nr, 20 btrfs_header_blocknr(&l->header), nr,
@@ -34,15 +34,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
34 case BTRFS_INODE_ITEM_KEY: 34 case BTRFS_INODE_ITEM_KEY:
35 break; 35 break;
36 case BTRFS_DIR_ITEM_KEY: 36 case BTRFS_DIR_ITEM_KEY:
37 namelen = btrfs_item_size(l->items + i) - sizeof(*di);
38 di = btrfs_item_ptr(l, i, struct btrfs_dir_item); 37 di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
39 printf("\t\tdir oid %Lu flags %u type %u\n", 38 printf("\t\tdir oid %Lu flags %u type %u\n",
40 btrfs_dir_objectid(di), 39 btrfs_dir_objectid(di),
41 btrfs_dir_flags(di), 40 btrfs_dir_flags(di),
42 btrfs_dir_type(di)); 41 btrfs_dir_type(di));
43 printf("\t\tname %.*s\n", 42 printf("\t\tname %.*s\n",
44 namelen, (char *)(di + 1)); 43 btrfs_dir_name_len(di),(char *)(di + 1));
45
46 break; 44 break;
47 case BTRFS_ROOT_ITEM_KEY: 45 case BTRFS_ROOT_ITEM_KEY:
48 ri = btrfs_item_ptr(l, i, struct btrfs_root_item); 46 ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
@@ -54,6 +52,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
54 printf("\t\textent data refs %u owner %Lu\n", 52 printf("\t\textent data refs %u owner %Lu\n",
55 btrfs_extent_refs(ei), btrfs_extent_owner(ei)); 53 btrfs_extent_refs(ei), btrfs_extent_owner(ei));
56 break; 54 break;
55 case BTRFS_INODE_MAP_ITEM_KEY:
56 mi = btrfs_item_ptr(l, i, struct btrfs_inode_map_item);
57 printf("\t\tinode map key %Lu %u %Lu\n",
58 btrfs_disk_key_objectid(&mi->key),
59 btrfs_disk_key_flags(&mi->key),
60 btrfs_disk_key_offset(&mi->key));
61 break;
57 case BTRFS_STRING_ITEM_KEY: 62 case BTRFS_STRING_ITEM_KEY:
58 printf("\t\titem data %.*s\n", btrfs_item_size(item), 63 printf("\t\titem data %.*s\n", btrfs_item_size(item),
59 btrfs_leaf_data(l) + btrfs_item_offset(item)); 64 btrfs_leaf_data(l) + btrfs_item_offset(item));
diff --git a/fs/btrfs/quick-test.c b/fs/btrfs/quick-test.c
index d676577185d5..ef12cf888783 100644
--- a/fs/btrfs/quick-test.c
+++ b/fs/btrfs/quick-test.c
@@ -172,7 +172,8 @@ int main(int ac, char **av) {
172 printf("tree size is now %d\n", tree_size); 172 printf("tree size is now %d\n", tree_size);
173 printf("root %p commit root %p\n", root->node, root->commit_root); 173 printf("root %p commit root %p\n", root->node, root->commit_root);
174 printf("map tree\n"); 174 printf("map tree\n");
175 btrfs_print_tree(root->extent_root, root->extent_root->node); 175 btrfs_print_tree(root->fs_info->extent_root,
176 root->fs_info->extent_root->node);
176 close_ctree(root, &super); 177 close_ctree(root, &super);
177 return 0; 178 return 0;
178} 179}
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-08 08:11:02 -0500