diff mbox series

[RFC,06/17] btrfs-progs: don't blindly assume crc32c in csum_tree_block_size()

Message ID ae31ea458aff801cbd9d0674431019314834c64f.1564046972.git.jthumshirn@suse.de (mailing list archive)
State New, archived
Headers show
Series Support xxhash64 checksums | expand

Commit Message

Johannes Thumshirn July 25, 2019, 9:33 a.m. UTC 
The callers of csum_tree_block_size() blindly assume we're only having
crc32c as a possible checksum and thus pass in
btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32] for the size argument of
csum_tree_block_size().

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 mkfs/common.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

Comments

Nikolay Borisov Aug. 12, 2019, 9:49 a.m. UTC | #1 
On 25.07.19 г. 12:33 ч., Johannes Thumshirn wrote:
> The callers of csum_tree_block_size() blindly assume we're only having
> crc32c as a possible checksum and thus pass in
> btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32] for the size argument of
> csum_tree_block_size().
> 
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
diff mbox series

Patch

diff --git a/mkfs/common.c b/mkfs/common.c
index 8249492704ad..d63a9267bca3 100644
--- a/mkfs/common.c
+++ b/mkfs/common.c
@@ -101,7 +101,7 @@  static int btrfs_create_tree_root(int fd, struct btrfs_mkfs_config *cfg,
 	}
 
 	/* generate checksum */
-	csum_tree_block_size(buf, btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32], 0);
+	csum_tree_block_size(buf, btrfs_csum_sizes[cfg->csum_type], 0);
 
 	/* write back root tree */
 	ret = pwrite(fd, buf->data, cfg->nodesize, cfg->blocks[MKFS_ROOT_TREE]);
@@ -292,7 +292,7 @@  int make_btrfs(int fd, struct btrfs_mkfs_config *cfg)
 	btrfs_set_header_bytenr(buf, cfg->blocks[MKFS_EXTENT_TREE]);
 	btrfs_set_header_owner(buf, BTRFS_EXTENT_TREE_OBJECTID);
 	btrfs_set_header_nritems(buf, nritems);
-	csum_tree_block_size(buf, btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32], 0);
+	csum_tree_block_size(buf, btrfs_csum_sizes[cfg->csum_type], 0);
 	ret = pwrite(fd, buf->data, cfg->nodesize, cfg->blocks[MKFS_EXTENT_TREE]);
 	if (ret != cfg->nodesize) {
 		ret = (ret < 0 ? -errno : -EIO);
@@ -380,7 +380,7 @@  int make_btrfs(int fd, struct btrfs_mkfs_config *cfg)
 	btrfs_set_header_bytenr(buf, cfg->blocks[MKFS_CHUNK_TREE]);
 	btrfs_set_header_owner(buf, BTRFS_CHUNK_TREE_OBJECTID);
 	btrfs_set_header_nritems(buf, nritems);
-	csum_tree_block_size(buf, btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32], 0);
+	csum_tree_block_size(buf, btrfs_csum_sizes[cfg->csum_type], 0);
 	ret = pwrite(fd, buf->data, cfg->nodesize, cfg->blocks[MKFS_CHUNK_TREE]);
 	if (ret != cfg->nodesize) {
 		ret = (ret < 0 ? -errno : -EIO);
@@ -420,7 +420,7 @@  int make_btrfs(int fd, struct btrfs_mkfs_config *cfg)
 	btrfs_set_header_bytenr(buf, cfg->blocks[MKFS_DEV_TREE]);
 	btrfs_set_header_owner(buf, BTRFS_DEV_TREE_OBJECTID);
 	btrfs_set_header_nritems(buf, nritems);
-	csum_tree_block_size(buf, btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32], 0);
+	csum_tree_block_size(buf, btrfs_csum_sizes[cfg->csum_type], 0);
 	ret = pwrite(fd, buf->data, cfg->nodesize, cfg->blocks[MKFS_DEV_TREE]);
 	if (ret != cfg->nodesize) {
 		ret = (ret < 0 ? -errno : -EIO);
@@ -433,7 +433,7 @@  int make_btrfs(int fd, struct btrfs_mkfs_config *cfg)
 	btrfs_set_header_bytenr(buf, cfg->blocks[MKFS_FS_TREE]);
 	btrfs_set_header_owner(buf, BTRFS_FS_TREE_OBJECTID);
 	btrfs_set_header_nritems(buf, 0);
-	csum_tree_block_size(buf, btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32], 0);
+	csum_tree_block_size(buf, btrfs_csum_sizes[cfg->csum_type], 0);
 	ret = pwrite(fd, buf->data, cfg->nodesize, cfg->blocks[MKFS_FS_TREE]);
 	if (ret != cfg->nodesize) {
 		ret = (ret < 0 ? -errno : -EIO);
@@ -445,7 +445,7 @@  int make_btrfs(int fd, struct btrfs_mkfs_config *cfg)
 	btrfs_set_header_bytenr(buf, cfg->blocks[MKFS_CSUM_TREE]);
 	btrfs_set_header_owner(buf, BTRFS_CSUM_TREE_OBJECTID);
 	btrfs_set_header_nritems(buf, 0);
-	csum_tree_block_size(buf, btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32], 0);
+	csum_tree_block_size(buf, btrfs_csum_sizes[cfg->csum_type], 0);
 	ret = pwrite(fd, buf->data, cfg->nodesize, cfg->blocks[MKFS_CSUM_TREE]);
 	if (ret != cfg->nodesize) {
 		ret = (ret < 0 ? -errno : -EIO);
@@ -456,7 +456,7 @@  int make_btrfs(int fd, struct btrfs_mkfs_config *cfg)
 	memset(buf->data, 0, BTRFS_SUPER_INFO_SIZE);
 	memcpy(buf->data, &super, sizeof(super));
 	buf->len = BTRFS_SUPER_INFO_SIZE;
-	csum_tree_block_size(buf, btrfs_csum_sizes[BTRFS_CSUM_TYPE_CRC32], 0);
+	csum_tree_block_size(buf, btrfs_csum_sizes[cfg->csum_type], 0);
 	ret = pwrite(fd, buf->data, BTRFS_SUPER_INFO_SIZE,
 			cfg->blocks[MKFS_SUPER_BLOCK]);
 	if (ret != BTRFS_SUPER_INFO_SIZE) {