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authorMark Brown <broonie@kernel.org>2022-11-25 19:16:05 +0000
committerMark Brown <broonie@kernel.org>2022-11-25 19:16:05 +0000
commit5cd4d3886780bf9a846eada29a2aefe8bfcac027 (patch)
treeea5cc9b11657912a1371932ad467a7a622e8010c /fs/btrfs/disk-io.c
parentef3232e3dbd172fa17190fa8a852a3180a73bbdc (diff)
parentf0c4d9fc9cc9462659728d168387191387e903cc (diff)
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Merge tag 'v6.1-rc4' into spi-6.2
Linux 6.1-rc4 which should get my CI working on RPi3s again.
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index a2da9313c694..4b28263c3d32 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -166,11 +166,9 @@ static bool btrfs_supported_super_csum(u16 csum_type)
* Return 0 if the superblock checksum type matches the checksum value of that
* algorithm. Pass the raw disk superblock data.
*/
-static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
- char *raw_disk_sb)
+int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
+ const struct btrfs_super_block *disk_sb)
{
- struct btrfs_super_block *disk_sb =
- (struct btrfs_super_block *)raw_disk_sb;
char result[BTRFS_CSUM_SIZE];
SHASH_DESC_ON_STACK(shash, fs_info->csum_shash);
@@ -181,7 +179,7 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
* BTRFS_SUPER_INFO_SIZE range, we expect that the unused space is
* filled with zeros and is included in the checksum.
*/
- crypto_shash_digest(shash, raw_disk_sb + BTRFS_CSUM_SIZE,
+ crypto_shash_digest(shash, (const u8 *)disk_sb + BTRFS_CSUM_SIZE,
BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE, result);
if (memcmp(disk_sb->csum, result, fs_info->csum_size))
@@ -3479,7 +3477,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
* We want to check superblock checksum, the type is stored inside.
* Pass the whole disk block of size BTRFS_SUPER_INFO_SIZE (4k).
*/
- if (btrfs_check_super_csum(fs_info, (u8 *)disk_super)) {
+ if (btrfs_check_super_csum(fs_info, disk_super)) {
btrfs_err(fs_info, "superblock checksum mismatch");
err = -EINVAL;
btrfs_release_disk_super(disk_super);