csum member of struct btrfs_super_block has array type of u8. It makes sense
that function btrfs_csum_final should be also declared to accept u8 *. I
changed the declaration of method void btrfs_csum_final(u32 crc, char *result);
to void btrfs_csum_final(u32 crc, u8 *result);
---
fs/btrfs/disk-io.c | 2 +-
fs/btrfs/disk-io.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 50bed6c..95bd34f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -273,7 +273,7 @@ u32 btrfs_csum_data(char *data, u32 seed, size_t len)
return btrfs_crc32c(seed, data, len);
}
-void btrfs_csum_final(u32 crc, char *result)
+void btrfs_csum_final(u32 crc, u8 *result)
{
put_unaligned_le32(~crc, result);
}
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 8e79d00..e849845 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -118,7 +118,7 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid,
int atomic);
int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid);
u32 btrfs_csum_data(char *data, u32 seed, size_t len);
-void btrfs_csum_final(u32 crc, char *result);
+void btrfs_csum_final(u32 crc, u8 *result);
int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio,
enum btrfs_wq_endio_type metadata);
int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
--
2.7.4
--
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