btrfs-progs: replace leafsize with nodesize
authorDavid Sterba <dsterba@suse.com>
Fri, 1 Apr 2016 10:57:11 +0000 (12:57 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 2 May 2016 12:40:18 +0000 (14:40 +0200)
Nodesize is used in kernel, the values are always equal. We have to keep
leafsize in headers, similarly the tree setting functions still take and
set leafsize, but it's effectively a no-op.

Signed-off-by: David Sterba <dsterba@suse.com>
17 files changed:
backref.c
btrfs-corrupt-block.c
btrfs-image.c
btrfs-map-logical.c
chunk-recover.c
cmds-check.c
cmds-inspect-dump-tree.c
cmds-inspect-tree-stats.c
cmds-restore.c
ctree.c
ctree.h
disk-io.c
extent-tree.c
extent_io.c
find-root.c
qgroup-verify.c
utils.h

index 7578e92..4bbbb1e 100644 (file)
--- a/backref.c
+++ b/backref.c
@@ -451,7 +451,7 @@ 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 (!extent_buffer_uptodate(eb)) {
                        free_extent_buffer(eb);
                        return -EIO;
@@ -1157,7 +1157,7 @@ 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;
 
index 9849232..66d93e5 100644 (file)
@@ -162,7 +162,7 @@ static int corrupt_keys_in_block(struct btrfs_root *root, u64 bytenr)
 {
        struct extent_buffer *eb;
 
-       eb = read_tree_block(root, bytenr, root->leafsize, 0);
+       eb = read_tree_block(root, bytenr, root->nodesize, 0);
        if (!extent_buffer_uptodate(eb))
                return -EIO;;
 
@@ -289,7 +289,7 @@ static void btrfs_corrupt_extent_tree(struct btrfs_trans_handle *trans,
                struct extent_buffer *next;
 
                next = read_tree_block(root, btrfs_node_blockptr(eb, i),
-                                      root->leafsize,
+                                      root->nodesize,
                                       btrfs_node_ptr_generation(eb, i));
                if (!extent_buffer_uptodate(next))
                        continue;
@@ -700,7 +700,7 @@ static int corrupt_metadata_block(struct btrfs_root *root, u64 block,
                return -EINVAL;
        }
 
-       eb = read_tree_block(root, block, root->leafsize, 0);
+       eb = read_tree_block(root, block, root->nodesize, 0);
        if (!extent_buffer_uptodate(eb)) {
                fprintf(stderr, "Couldn't read in tree block %s\n", field);
                return -EINVAL;
index eba0e29..5c4c6fa 100644 (file)
@@ -133,7 +133,7 @@ struct mdrestore_struct {
        struct list_head list;
        struct list_head overlapping_chunks;
        size_t num_items;
-       u32 leafsize;
+       u32 nodesize;
        u64 devid;
        u64 alloced_chunks;
        u64 last_physical_offset;
@@ -1073,7 +1073,7 @@ static int copy_tree_blocks(struct btrfs_root *root, struct extent_buffer *eb,
        int i = 0;
        int ret;
 
-       ret = add_extent(btrfs_header_bytenr(eb), root->leafsize, metadump, 0);
+       ret = add_extent(btrfs_header_bytenr(eb), root->nodesize, metadump, 0);
        if (ret) {
                fprintf(stderr, "Error adding metadata block\n");
                return ret;
@@ -1091,7 +1091,7 @@ static int copy_tree_blocks(struct btrfs_root *root, struct extent_buffer *eb,
                                continue;
                        ri = btrfs_item_ptr(eb, i, struct btrfs_root_item);
                        bytenr = btrfs_disk_root_bytenr(eb, ri);
-                       tmp = read_tree_block(root, bytenr, root->leafsize, 0);
+                       tmp = read_tree_block(root, bytenr, root->nodesize, 0);
                        if (!extent_buffer_uptodate(tmp)) {
                                fprintf(stderr,
                                        "Error reading log root block\n");
@@ -1103,7 +1103,7 @@ static int copy_tree_blocks(struct btrfs_root *root, struct extent_buffer *eb,
                                return ret;
                } else {
                        bytenr = btrfs_node_blockptr(eb, i);
-                       tmp = read_tree_block(root, bytenr, root->leafsize, 0);
+                       tmp = read_tree_block(root, bytenr, root->nodesize, 0);
                        if (!extent_buffer_uptodate(tmp)) {
                                fprintf(stderr, "Error reading log block\n");
                                return -EIO;
@@ -1255,7 +1255,7 @@ static int copy_from_extent_tree(struct metadump_struct *metadump,
 
                bytenr = key.objectid;
                if (key.type == BTRFS_METADATA_ITEM_KEY)
-                       num_bytes = extent_root->leafsize;
+                       num_bytes = extent_root->nodesize;
                else
                        num_bytes = key.offset;
 
@@ -1321,8 +1321,6 @@ static int create_metadump(const char *input, FILE *out, int num_threads,
                return -EIO;
        }
 
-       BUG_ON(root->nodesize != root->leafsize);
-
        ret = metadump_init(&metadump, root, out, num_threads,
                            compress_level, sanitize);
        if (ret) {
@@ -1550,16 +1548,16 @@ static int fixup_chunk_tree_block(struct mdrestore_struct *mdres,
        u64 bytenr = async->start;
        int i;
 
-       if (size_left % mdres->leafsize)
+       if (size_left % mdres->nodesize)
                return 0;
 
-       eb = alloc_dummy_eb(bytenr, mdres->leafsize);
+       eb = alloc_dummy_eb(bytenr, mdres->nodesize);
        if (!eb)
                return -ENOMEM;
 
        while (size_left) {
                eb->start = bytenr;
-               memcpy(eb->data, buffer, mdres->leafsize);
+               memcpy(eb->data, buffer, mdres->nodesize);
 
                if (btrfs_header_bytenr(eb) != bytenr)
                        break;
@@ -1614,9 +1612,9 @@ static int fixup_chunk_tree_block(struct mdrestore_struct *mdres,
                memcpy(buffer, eb->data, eb->len);
                csum_block(buffer, eb->len);
 next:
-               size_left -= mdres->leafsize;
-               buffer += mdres->leafsize;
-               bytenr += mdres->leafsize;
+               size_left -= mdres->nodesize;
+               buffer += mdres->nodesize;
+               bytenr += mdres->nodesize;
        }
 
        free(eb);
@@ -1687,7 +1685,7 @@ static void *restore_worker(void *data)
                int err = 0;
 
                pthread_mutex_lock(&mdres->mutex);
-               while (!mdres->leafsize || list_empty(&mdres->list)) {
+               while (!mdres->nodesize || list_empty(&mdres->list)) {
                        if (mdres->done) {
                                pthread_mutex_unlock(&mdres->mutex);
                                goto out;
@@ -1859,7 +1857,7 @@ static int fill_mdres_info(struct mdrestore_struct *mdres,
        int ret;
 
        /* We've already been initialized */
-       if (mdres->leafsize)
+       if (mdres->nodesize)
                return 0;
 
        if (mdres->compress_method == COMPRESS_ZLIB) {
@@ -1881,7 +1879,7 @@ static int fill_mdres_info(struct mdrestore_struct *mdres,
        }
 
        super = (struct btrfs_super_block *)outbuf;
-       mdres->leafsize = btrfs_super_leafsize(super);
+       mdres->nodesize = btrfs_super_nodesize(super);
        memcpy(mdres->fsid, super->fsid, BTRFS_FSID_SIZE);
        memcpy(mdres->uuid, super->dev_item.uuid,
                       BTRFS_UUID_SIZE);
@@ -1987,18 +1985,18 @@ static int read_chunk_block(struct mdrestore_struct *mdres, u8 *buffer,
        int ret = 0;
        int i;
 
-       eb = alloc_dummy_eb(bytenr, mdres->leafsize);
+       eb = alloc_dummy_eb(bytenr, mdres->nodesize);
        if (!eb) {
                ret = -ENOMEM;
                goto out;
        }
 
        while (item_bytenr != bytenr) {
-               buffer += mdres->leafsize;
-               item_bytenr += mdres->leafsize;
+               buffer += mdres->nodesize;
+               item_bytenr += mdres->nodesize;
        }
 
-       memcpy(eb->data, buffer, mdres->leafsize);
+       memcpy(eb->data, buffer, mdres->nodesize);
        if (btrfs_header_bytenr(eb) != bytenr) {
                fprintf(stderr, "Eb bytenr doesn't match found bytenr\n");
                ret = -EIO;
@@ -2301,7 +2299,7 @@ static int build_chunk_tree(struct mdrestore_struct *mdres,
        pthread_mutex_lock(&mdres->mutex);
        super = (struct btrfs_super_block *)buffer;
        chunk_root_bytenr = btrfs_super_chunk_root(super);
-       mdres->leafsize = btrfs_super_leafsize(super);
+       mdres->nodesize = btrfs_super_nodesize(super);
        memcpy(mdres->fsid, super->fsid, BTRFS_FSID_SIZE);
        memcpy(mdres->uuid, super->dev_item.uuid,
                       BTRFS_UUID_SIZE);
index 18a6aca..fd0286d 100644 (file)
@@ -81,7 +81,7 @@ again:
        }
        logical = key.objectid;
        if (key.type == BTRFS_METADATA_ITEM_KEY)
-               len = fs_info->tree_root->leafsize;
+               len = fs_info->tree_root->nodesize;
        else
                len = key.offset;
 
index b03330b..4ad337b 100644 (file)
@@ -47,7 +47,7 @@ struct recover_control {
 
        u16 csum_size;
        u32 sectorsize;
-       u32 leafsize;
+       u32 nodesize;
        u64 generation;
        u64 chunk_root_generation;
 
@@ -477,7 +477,7 @@ static void print_scan_result(struct recover_control *rc)
        printf("DEVICE SCAN RESULT:\n");
        printf("Filesystem Information:\n");
        printf("\tsectorsize: %d\n", rc->sectorsize);
-       printf("\tleafsize: %d\n", rc->leafsize);
+       printf("\tnodesize: %d\n", rc->nodesize);
        printf("\ttree root generation: %llu\n", rc->generation);
        printf("\tchunk root generation: %llu\n", rc->chunk_root_generation);
        printf("\n");
@@ -761,10 +761,10 @@ static int scan_one_device(void *dev_scan_struct)
        if (ret)
                return 1;
 
-       buf = malloc(sizeof(*buf) + rc->leafsize);
+       buf = malloc(sizeof(*buf) + rc->nodesize);
        if (!buf)
                return -ENOMEM;
-       buf->len = rc->leafsize;
+       buf->len = rc->nodesize;
 
        bytenr = 0;
        while (1) {
@@ -773,8 +773,8 @@ static int scan_one_device(void *dev_scan_struct)
                if (is_super_block_address(bytenr))
                        bytenr += rc->sectorsize;
 
-               if (pread64(fd, buf->data, rc->leafsize, bytenr) <
-                   rc->leafsize)
+               if (pread64(fd, buf->data, rc->nodesize, bytenr) <
+                   rc->nodesize)
                        break;
 
                if (memcmp_extent_buffer(buf, rc->fs_devices->fsid,
@@ -818,7 +818,7 @@ static int scan_one_device(void *dev_scan_struct)
                        break;
                }
 next_node:
-               bytenr += rc->leafsize;
+               bytenr += rc->nodesize;
        }
 out:
        close(fd);
@@ -1070,7 +1070,7 @@ again:
                    key.type == BTRFS_METADATA_ITEM_KEY) {
                        old_val = btrfs_super_bytes_used(fs_info->super_copy);
                        if (key.type == BTRFS_METADATA_ITEM_KEY)
-                               old_val += root->leafsize;
+                               old_val += root->nodesize;
                        else
                                old_val += key.offset;
                        btrfs_set_super_bytes_used(fs_info->super_copy,
@@ -1538,7 +1538,7 @@ static int recover_prepare(struct recover_control *rc, char *path)
        }
 
        rc->sectorsize = btrfs_super_sectorsize(sb);
-       rc->leafsize = btrfs_super_leafsize(sb);
+       rc->nodesize = btrfs_super_nodesize(sb);
        rc->generation = btrfs_super_generation(sb);
        rc->chunk_root_generation = btrfs_super_chunk_root_generation(sb);
        rc->csum_size = btrfs_super_csum_size(sb);
index ef23ddb..f0caffa 100644 (file)
@@ -1890,7 +1890,7 @@ static int walk_down_tree(struct btrfs_root *root, struct btrfs_path *path,
                                btrfs_add_corrupt_extent_record(root->fs_info,
                                                &node_key,
                                                path->nodes[*level]->start,
-                                               root->leafsize, *level);
+                                               root->nodesize, *level);
                                err = -EIO;
                                goto out;
                        }
@@ -5187,7 +5187,7 @@ static int process_extent_item(struct btrfs_root *root,
 
        if (key.type == BTRFS_METADATA_ITEM_KEY) {
                metadata = 1;
-               num_bytes = root->leafsize;
+               num_bytes = root->nodesize;
        } else {
                num_bytes = key.offset;
        }
@@ -5407,7 +5407,7 @@ static int verify_space_cache(struct btrfs_root *root,
                        if (key.type == BTRFS_EXTENT_ITEM_KEY)
                                last = key.objectid + key.offset;
                        else
-                               last = key.objectid + root->leafsize;
+                               last = key.objectid + root->nodesize;
                        path->slots[0]++;
                        continue;
                }
@@ -5419,7 +5419,7 @@ static int verify_space_cache(struct btrfs_root *root,
                if (key.type == BTRFS_EXTENT_ITEM_KEY)
                        last = key.objectid + key.offset;
                else
-                       last = key.objectid + root->leafsize;
+                       last = key.objectid + root->nodesize;
                path->slots[0]++;
        }
 
@@ -6379,7 +6379,7 @@ static int delete_extent_records(struct btrfs_trans_handle *trans,
                if (found_key.type == BTRFS_EXTENT_ITEM_KEY ||
                    found_key.type == BTRFS_METADATA_ITEM_KEY) {
                        u64 bytes = (found_key.type == BTRFS_EXTENT_ITEM_KEY) ?
-                               found_key.offset : root->leafsize;
+                               found_key.offset : root->nodesize;
 
                        ret = btrfs_update_block_group(trans, root, bytenr,
                                                       bytes, 0, 0);
@@ -6414,7 +6414,7 @@ static int record_extent(struct btrfs_trans_handle *trans,
 
        if (!back->is_data)
                rec->max_size = max_t(u64, rec->max_size,
-                                   info->extent_root->leafsize);
+                                   info->extent_root->nodesize);
 
        if (!allocated) {
                u32 item_size = sizeof(*ei);
@@ -8421,7 +8421,7 @@ static int pin_down_tree_blocks(struct btrfs_fs_info *fs_info,
        struct btrfs_root_item *ri;
        struct btrfs_key key;
        u64 bytenr;
-       u32 leafsize;
+       u32 nodesize;
        int level = btrfs_header_level(eb);
        int nritems;
        int ret;
@@ -8438,7 +8438,7 @@ static int pin_down_tree_blocks(struct btrfs_fs_info *fs_info,
 
        btrfs_pin_extent(fs_info, eb->start, eb->len);
 
-       leafsize = btrfs_super_leafsize(fs_info->super_copy);
+       nodesize = btrfs_super_nodesize(fs_info->super_copy);
        nritems = btrfs_header_nritems(eb);
        for (i = 0; i < nritems; i++) {
                if (level == 0) {
@@ -8460,7 +8460,7 @@ static int pin_down_tree_blocks(struct btrfs_fs_info *fs_info,
                         * just pass in extent_root.
                         */
                        tmp = read_tree_block(fs_info->extent_root, bytenr,
-                                             leafsize, 0);
+                                             nodesize, 0);
                        if (!extent_buffer_uptodate(tmp)) {
                                fprintf(stderr, "Error reading root block\n");
                                return -EIO;
@@ -8474,12 +8474,12 @@ static int pin_down_tree_blocks(struct btrfs_fs_info *fs_info,
 
                        /* If we aren't the tree root don't read the block */
                        if (level == 1 && !tree_root) {
-                               btrfs_pin_extent(fs_info, bytenr, leafsize);
+                               btrfs_pin_extent(fs_info, bytenr, nodesize);
                                continue;
                        }
 
                        tmp = read_tree_block(fs_info->extent_root, bytenr,
-                                             leafsize, 0);
+                                             nodesize, 0);
                        if (!extent_buffer_uptodate(tmp)) {
                                fprintf(stderr, "Error reading tree block\n");
                                return -EIO;
index 43c8b67..6cb3008 100644 (file)
@@ -299,7 +299,7 @@ int cmd_inspect_dump_tree(int argc, char **argv)
        if (block_only) {
                leaf = read_tree_block(root,
                                      block_only,
-                                     root->leafsize, 0);
+                                     root->nodesize, 0);
 
                if (extent_buffer_uptodate(leaf) &&
                    btrfs_header_level(leaf) != 0) {
index 792ccaa..4e1a28e 100644 (file)
@@ -104,7 +104,7 @@ static int walk_leaf(struct btrfs_root *root, struct btrfs_path *path,
        struct btrfs_key found_key;
        int i;
 
-       stat->total_bytes += root->leafsize;
+       stat->total_bytes += root->nodesize;
        stat->total_leaves++;
 
        if (!find_inline)
@@ -137,7 +137,7 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
 {
        struct extent_buffer *b = path->nodes[level];
        u64 last_block;
-       u64 cluster_size = root->leafsize;
+       u64 cluster_size = root->nodesize;
        int i;
        int ret = 0;
 
@@ -166,9 +166,9 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                                         find_inline);
                else
                        ret = walk_leaf(root, path, stat, find_inline);
-               if (last_block + root->leafsize != cur_blocknr) {
+               if (last_block + root->nodesize != cur_blocknr) {
                        u64 distance = calc_distance(last_block +
-                                                    root->leafsize,
+                                                    root->nodesize,
                                                     cur_blocknr);
                        stat->total_seeks++;
                        stat->total_seek_len += distance;
@@ -184,7 +184,7 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                                stat->forward_seeks++;
                        else
                                stat->backward_seeks++;
-                       if (cluster_size != root->leafsize) {
+                       if (cluster_size != root->nodesize) {
                                stat->total_cluster_size += cluster_size;
                                stat->total_clusters++;
                                if (cluster_size < stat->min_cluster_size)
@@ -192,9 +192,9 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                                if (cluster_size > stat->max_cluster_size)
                                        stat->max_cluster_size = cluster_size;
                        }
-                       cluster_size = root->leafsize;
+                       cluster_size = root->nodesize;
                } else {
-                       cluster_size += root->leafsize;
+                       cluster_size += root->nodesize;
                }
                last_block = cur_blocknr;
                if (cur_blocknr < stat->lowest_bytenr)
@@ -337,7 +337,7 @@ static int calc_root_size(struct btrfs_root *tree_root, struct btrfs_key *key,
        stat.lowest_bytenr = btrfs_header_bytenr(root->node);
        stat.highest_bytenr = stat.lowest_bytenr;
        stat.min_cluster_size = (u64)-1;
-       stat.max_cluster_size = root->leafsize;
+       stat.max_cluster_size = root->nodesize;
        path->nodes[level] = root->node;
        if (gettimeofday(&start, NULL)) {
                fprintf(stderr, "Error getting time: %d\n", errno);
index 699d4f2..b491f08 100644 (file)
@@ -1284,7 +1284,7 @@ static struct btrfs_root *open_fs(const char *dev, u64 root_location,
                        root_location = btrfs_super_root(fs_info->super_copy);
                generation = btrfs_super_generation(fs_info->super_copy);
                root->node = read_tree_block(root, root_location,
-                                            root->leafsize, generation);
+                                            root->nodesize, generation);
                if (!extent_buffer_uptodate(root->node)) {
                        fprintf(stderr, "Error opening tree root\n");
                        close_ctree(root);
@@ -1535,7 +1535,7 @@ int cmd_restore(int argc, char **argv)
 
        if (fs_location != 0) {
                free_extent_buffer(root->node);
-               root->node = read_tree_block(root, fs_location, root->leafsize, 0);
+               root->node = read_tree_block(root, fs_location, root->nodesize, 0);
                if (!extent_buffer_uptodate(root->node)) {
                        fprintf(stderr, "Failed to read fs location\n");
                        ret = 1;
diff --git a/ctree.c b/ctree.c
index 1f938d7..e6fb988 100644 (file)
--- a/ctree.c
+++ b/ctree.c
@@ -2113,7 +2113,7 @@ again:
        else
                btrfs_item_key(l, &disk_key, mid);
 
-       right = btrfs_alloc_free_block(trans, root, root->leafsize,
+       right = btrfs_alloc_free_block(trans, root, root->nodesize,
                                        root->root_key.objectid,
                                        &disk_key, 0, l->start, 0);
        if (IS_ERR(right)) {
diff --git a/ctree.h b/ctree.h
index 5ab0f4a..ea1971a 100644 (file)
--- a/ctree.h
+++ b/ctree.h
@@ -345,7 +345,7 @@ 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))
@@ -428,6 +428,7 @@ struct btrfs_super_block {
        __le64 num_devices;
        __le32 sectorsize;
        __le32 nodesize;
+       /* Unused and must be equal to nodesize */
        __le32 leafsize;
        __le32 stripesize;
        __le32 sys_chunk_array_size;
@@ -1060,10 +1061,10 @@ struct btrfs_root {
        /* node allocations are done in nodesize units */
        u32 nodesize;
 
-       /* leaf allocations are done in leafsize units */
+       /* Unused, equal to nodesize */
        u32 leafsize;
 
-       /* leaf allocations are done in leafsize units */
+       /* leaf allocations are done in nodesize units */
        u32 stripesize;
 
        int ref_cows;
index 4302e80..3fc58eb 100644 (file)
--- a/disk-io.c
+++ b/disk-io.c
@@ -56,7 +56,7 @@ static int check_tree_block(struct btrfs_fs_info *fs_info,
 {
 
        struct btrfs_fs_devices *fs_devices;
-       u32 leafsize = btrfs_super_leafsize(fs_info->super_copy);
+       u32 nodesize = btrfs_super_nodesize(fs_info->super_copy);
        int ret = BTRFS_BAD_FSID;
 
        if (buf->start != btrfs_header_bytenr(buf))
@@ -64,7 +64,7 @@ static int check_tree_block(struct btrfs_fs_info *fs_info,
        if (btrfs_header_level(buf) >= BTRFS_MAX_LEVEL)
                return BTRFS_BAD_LEVEL;
        if (btrfs_header_nritems(buf) > max_nritems(btrfs_header_level(buf),
-                                                   leafsize))
+                                                   nodesize))
                return BTRFS_BAD_NRITEMS;
 
        fs_devices = fs_info->fs_devices;
@@ -934,7 +934,7 @@ static int setup_root_or_create_block(struct btrfs_fs_info *fs_info,
 {
        struct btrfs_super_block *sb = fs_info->super_copy;
        struct btrfs_root *root = fs_info->tree_root;
-       u32 leafsize = btrfs_super_leafsize(sb);
+       u32 nodesize = btrfs_super_nodesize(sb);
        int ret;
 
        ret = find_and_setup_root(root, fs_info, objectid, info_root);
@@ -947,7 +947,7 @@ static int setup_root_or_create_block(struct btrfs_fs_info *fs_info,
                 * million of places that assume a root has a valid ->node
                 */
                info_root->node =
-                       btrfs_find_create_tree_block(fs_info, 0, leafsize);
+                       btrfs_find_create_tree_block(fs_info, 0, nodesize);
                if (!info_root->node)
                        return -ENOMEM;
                clear_extent_buffer_uptodate(NULL, info_root->node);
index b9b00f0..231b4c4 100644 (file)
@@ -153,7 +153,7 @@ static int cache_block_group(struct btrfs_root *root,
                                                 GFP_NOFS);
                        }
                        if (key.type == BTRFS_METADATA_ITEM_KEY)
-                               last = key.objectid + root->leafsize;
+                               last = key.objectid + root->nodesize;
                        else
                                last = key.objectid + key.offset;
                }
@@ -1458,7 +1458,7 @@ int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
        if (metadata &&
            !btrfs_fs_incompat(root->fs_info,
                               BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA)) {
-               offset = root->leafsize;
+               offset = root->nodesize;
                metadata = 0;
        }
 
@@ -1493,14 +1493,14 @@ 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) {
                        btrfs_release_path(path);
                        key.type = BTRFS_EXTENT_ITEM_KEY;
-                       key.offset = root->leafsize;
+                       key.offset = root->nodesize;
                        metadata = 0;
                        goto again;
                }
@@ -1565,7 +1565,7 @@ int btrfs_set_block_flags(struct btrfs_trans_handle *trans,
                key.offset = level;
                key.type = BTRFS_METADATA_ITEM_KEY;
        } else {
-               key.offset = root->leafsize;
+               key.offset = root->nodesize;
                key.type = BTRFS_EXTENT_ITEM_KEY;
        }
 
@@ -1582,13 +1582,13 @@ again:
                        btrfs_item_key_to_cpu(path->nodes[0], &key,
                                              path->slots[0]);
                        if (key.objectid == bytenr &&
-                           key.offset == root->leafsize &&
+                           key.offset == root->nodesize &&
                            key.type == BTRFS_EXTENT_ITEM_KEY)
                                ret = 0;
                }
                if (ret) {
                        btrfs_release_path(path);
-                       key.offset = root->leafsize;
+                       key.offset = root->nodesize;
                        key.type = BTRFS_EXTENT_ITEM_KEY;
                        goto again;
                }
@@ -2750,7 +2750,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
        btrfs_mark_buffer_dirty(leaf);
        btrfs_free_path(path);
 
-       ret = update_block_group(trans, root, ins->objectid, root->leafsize,
+       ret = update_block_group(trans, root, ins->objectid, root->nodesize,
                                 1, 0);
        return ret;
 }
@@ -3897,9 +3897,9 @@ int btrfs_fix_block_accounting(struct btrfs_trans_handle *trans,
                                  key.objectid, key.offset, 1, 0);
                        BUG_ON(ret);
                } else if (key.type == BTRFS_METADATA_ITEM_KEY) {
-                       bytes_used += root->leafsize;
+                       bytes_used += root->nodesize;
                        ret = btrfs_update_block_group(trans, root,
-                                 key.objectid, root->leafsize, 1, 0);
+                                 key.objectid, root->nodesize, 1, 0);
                        BUG_ON(ret);
                }
                path.slots[0]++;
index bdaecc0..c99d362 100644 (file)
@@ -771,7 +771,7 @@ int write_data_to_disk(struct btrfs_fs_info *info, void *buf, u64 offset,
                        u64 stripe_len = this_len;
 
                        this_len = min(this_len, bytes_left);
-                       this_len = min(this_len, (u64)info->tree_root->leafsize);
+                       this_len = min(this_len, (u64)info->tree_root->nodesize);
 
                        eb = malloc(sizeof(struct extent_buffer) + this_len);
                        BUG_ON(!eb);
index 823db6a..89d3611 100644 (file)
@@ -30,7 +30,7 @@
 /* Return value is the same as btrfs_find_root_search(). */
 static int add_eb_to_result(struct extent_buffer *eb,
                            struct cache_tree *result,
-                           u32 leafsize,
+                           u32 nodesize,
                            struct btrfs_find_root_filter *filter,
                            struct cache_extent **match)
 {
@@ -80,7 +80,7 @@ static int add_eb_to_result(struct extent_buffer *eb,
        /* Same level, insert it into the eb_tree */
        if (level == gen_cache->highest_level) {
                ret = add_cache_extent(&gen_cache->eb_tree,
-                                      start, leafsize);
+                                      start, nodesize);
                if (ret < 0 && ret != -EEXIST)
                        return ret;
                ret = 0;
@@ -110,7 +110,7 @@ int btrfs_find_root_search(struct btrfs_fs_info *fs_info,
        u64 chunk_offset = 0;
        u64 chunk_size = 0;
        u64 offset = 0;
-       u32 leafsize = btrfs_super_leafsize(fs_info->super_copy);
+       u32 nodesize = btrfs_super_nodesize(fs_info->super_copy);
        int suppress_errors = 0;
        int ret = 0;
 
@@ -132,12 +132,12 @@ int btrfs_find_root_search(struct btrfs_fs_info *fs_info,
                }
                for (offset = chunk_offset;
                     offset < chunk_offset + chunk_size;
-                    offset += leafsize) {
-                       eb = read_tree_block_fs_info(fs_info, offset, leafsize,
+                    offset += nodesize) {
+                       eb = read_tree_block_fs_info(fs_info, offset, nodesize,
                                                     0);
                        if (!eb || IS_ERR(eb))
                                continue;
-                       ret = add_eb_to_result(eb, result, leafsize, filter,
+                       ret = add_eb_to_result(eb, result, nodesize, filter,
                                               match);
                        free_extent_buffer(eb);
                        if (ret)
index 7e3afda..7e6349b 100644 (file)
@@ -944,7 +944,7 @@ static int scan_extents(struct btrfs_fs_info *info,
                                bytenr = key.objectid;
                                num_bytes = key.offset;
                                if (key.type == BTRFS_METADATA_ITEM_KEY) {
-                                       num_bytes = info->extent_root->leafsize;
+                                       num_bytes = info->extent_root->nodesize;
                                        meta = 1;
                                }
 
diff --git a/utils.h b/utils.h
index 9e890f9..f13f62f 100644 (file)
--- a/utils.h
+++ b/utils.h
@@ -191,7 +191,7 @@ int get_device_info(int fd, u64 devid,
                struct btrfs_ioctl_dev_info_args *di_args);
 u64 get_partition_size(const char *dev);
 
-int test_minimum_size(const char *file, u32 leafsize);
+int test_minimum_size(const char *file, u32 nodesize);
 int test_issubvolname(const char *name);
 int test_issubvolume(const char *path);
 int test_isdir(const char *path);
@@ -209,14 +209,14 @@ int get_subvol_info(const char *fullpath, struct root_info *get_ri);
  * To avoid the overkill calculation, (system group + global block rsv) * 2
  * for *EACH* device should be good enough.
  */
-static inline u64 btrfs_min_global_blk_rsv_size(u32 leafsize)
+static inline u64 btrfs_min_global_blk_rsv_size(u32 nodesize)
 {
-       return leafsize << 10;
+       return nodesize << 10;
 }
-static inline u64 btrfs_min_dev_size(u32 leafsize)
+static inline u64 btrfs_min_dev_size(u32 nodesize)
 {
        return 2 * (BTRFS_MKFS_SYSTEM_GROUP_SIZE +
-                   btrfs_min_global_blk_rsv_size(leafsize));
+                   btrfs_min_global_blk_rsv_size(nodesize));
 }
 
 int find_next_key(struct btrfs_path *path, struct btrfs_key *key);