diff options
Diffstat (limited to 'utils.c')
| -rw-r--r-- | utils.c | 36 |
1 files changed, 28 insertions, 8 deletions
@@ -215,7 +215,10 @@ int make_btrfs(int fd, const char *device, const char *label, csum_tree_block_size(buf, BTRFS_CRC32_SIZE, 0); ret = pwrite(fd, buf->data, leafsize, blocks[1]); - BUG_ON(ret != leafsize); + if (ret < 0) + return -errno; + else if (ret != leafsize) + return -EIO; /* create the items for the extent tree */ memset(buf->data+sizeof(struct btrfs_header), 0, @@ -262,7 +265,10 @@ int make_btrfs(int fd, const char *device, const char *label, btrfs_set_header_nritems(buf, nritems); csum_tree_block_size(buf, BTRFS_CRC32_SIZE, 0); ret = pwrite(fd, buf->data, leafsize, blocks[2]); - BUG_ON(ret != leafsize); + if (ret < 0) + return -errno; + else if (ret != leafsize) + return -EIO; /* create the chunk tree */ memset(buf->data+sizeof(struct btrfs_header), 0, @@ -346,7 +352,10 @@ int make_btrfs(int fd, const char *device, const char *label, btrfs_set_header_nritems(buf, nritems); csum_tree_block_size(buf, BTRFS_CRC32_SIZE, 0); ret = pwrite(fd, buf->data, leafsize, blocks[3]); - BUG_ON(ret != leafsize); + if (ret < 0) + return -errno; + else if (ret != leafsize) + return -EIO; /* create the device tree */ memset(buf->data+sizeof(struct btrfs_header), 0, @@ -382,7 +391,10 @@ int make_btrfs(int fd, const char *device, const char *label, btrfs_set_header_nritems(buf, nritems); csum_tree_block_size(buf, BTRFS_CRC32_SIZE, 0); ret = pwrite(fd, buf->data, leafsize, blocks[4]); - BUG_ON(ret != leafsize); + if (ret < 0) + return -errno; + else if (ret != leafsize) + return -EIO; /* create the FS root */ memset(buf->data+sizeof(struct btrfs_header), 0, @@ -392,7 +404,10 @@ int make_btrfs(int fd, const char *device, const char *label, btrfs_set_header_nritems(buf, 0); csum_tree_block_size(buf, BTRFS_CRC32_SIZE, 0); ret = pwrite(fd, buf->data, leafsize, blocks[5]); - BUG_ON(ret != leafsize); + if (ret < 0) + return -errno; + else if (ret != leafsize) + return -EIO; /* finally create the csum root */ memset(buf->data+sizeof(struct btrfs_header), 0, @@ -402,7 +417,10 @@ int make_btrfs(int fd, const char *device, const char *label, btrfs_set_header_nritems(buf, 0); csum_tree_block_size(buf, BTRFS_CRC32_SIZE, 0); ret = pwrite(fd, buf->data, leafsize, blocks[6]); - BUG_ON(ret != leafsize); + if (ret < 0) + return -errno; + else if (ret != leafsize) + return -EIO; /* and write out the super block */ BUG_ON(sizeof(super) > sectorsize); @@ -411,8 +429,10 @@ int make_btrfs(int fd, const char *device, const char *label, buf->len = sectorsize; csum_tree_block_size(buf, BTRFS_CRC32_SIZE, 0); ret = pwrite(fd, buf->data, sectorsize, blocks[0]); - BUG_ON(ret != sectorsize); - + if (ret < 0) + return -errno; + else if (ret != leafsize) + return -EIO; free(buf); return 0; |