diff options
Diffstat (limited to 'utils.c')
| -rw-r--r-- | utils.c | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -212,6 +212,8 @@ int make_btrfs(int fd, const char *device, const char *label, BUG_ON(ret != leafsize); /* create the items for the extent tree */ + memset(buf->data+sizeof(struct btrfs_header), 0, + leafsize-sizeof(struct btrfs_header)); nritems = 0; itemoff = __BTRFS_LEAF_DATA_SIZE(leafsize); for (i = 1; i < 7; i++) { @@ -257,6 +259,8 @@ int make_btrfs(int fd, const char *device, const char *label, BUG_ON(ret != leafsize); /* create the chunk tree */ + memset(buf->data+sizeof(struct btrfs_header), 0, + leafsize-sizeof(struct btrfs_header)); nritems = 0; item_size = sizeof(*dev_item); itemoff = __BTRFS_LEAF_DATA_SIZE(leafsize) - item_size; @@ -338,6 +342,8 @@ int make_btrfs(int fd, const char *device, const char *label, ret = pwrite(fd, buf->data, leafsize, blocks[3]); /* create the device tree */ + memset(buf->data+sizeof(struct btrfs_header), 0, + leafsize-sizeof(struct btrfs_header)); nritems = 0; itemoff = __BTRFS_LEAF_DATA_SIZE(leafsize) - sizeof(struct btrfs_dev_extent); @@ -371,6 +377,8 @@ int make_btrfs(int fd, const char *device, const char *label, ret = pwrite(fd, buf->data, leafsize, blocks[4]); /* create the FS root */ + memset(buf->data+sizeof(struct btrfs_header), 0, + leafsize-sizeof(struct btrfs_header)); btrfs_set_header_bytenr(buf, blocks[5]); btrfs_set_header_owner(buf, BTRFS_FS_TREE_OBJECTID); btrfs_set_header_nritems(buf, 0); @@ -379,6 +387,8 @@ int make_btrfs(int fd, const char *device, const char *label, BUG_ON(ret != leafsize); /* finally create the csum root */ + memset(buf->data+sizeof(struct btrfs_header), 0, + leafsize-sizeof(struct btrfs_header)); btrfs_set_header_bytenr(buf, blocks[6]); btrfs_set_header_owner(buf, BTRFS_CSUM_TREE_OBJECTID); btrfs_set_header_nritems(buf, 0); |