Add a small helper for btrfs_print_data_csum_error() which formats the
checksum according to it's type for pretty printing.
Signed-off-by: Johannes Thumshirn <jthumsh...@suse.de>
Reviewed-by: Nikolay Borisov <nbori...@suse.com>
---
fs/btrfs/btrfs_inode.h | 28 ++++++++++++++++++++++++----
1 file changed, 24 insertions(+), 4 deletions(-)
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index d5b438706b77..f0a757eb5744 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -337,22 +337,42 @@ static inline void btrfs_inode_resume_unlocked_dio(struct
btrfs_inode *inode)
clear_bit(BTRFS_INODE_READDIO_NEED_LOCK, &inode->runtime_flags);
}
+static inline void btrfs_csum_format(struct btrfs_super_block *sb,
+ u32 csum, u8 *cbuf)
+{
+ size_t size = btrfs_super_csum_size(sb) * 8;
+
+ switch (btrfs_super_csum_type(sb)) {
+ case BTRFS_CSUM_TYPE_CRC32:
+ snprintf(cbuf, size, "0x%08x", csum);
+ break;
+ default: /* can't happen - csum type is validated at mount time */
+ break;
+ }
+}
+
static inline void btrfs_print_data_csum_error(struct btrfs_inode *inode,
u64 logical_start, u32 csum, u32 csum_expected, int mirror_num)
{
struct btrfs_root *root = inode->root;
+ struct btrfs_super_block *sb = root->fs_info->super_copy;
+ u8 cbuf[BTRFS_CSUM_SIZE];
+ u8 ecbuf[BTRFS_CSUM_SIZE];
+
+ btrfs_csum_format(sb, csum, cbuf);
+ btrfs_csum_format(sb, csum_expected, ecbuf);
/* Output minus objectid, which is more meaningful */
if (root->root_key.objectid >= BTRFS_LAST_FREE_OBJECTID)
btrfs_warn_rl(root->fs_info,
- "csum failed root %lld ino %lld off %llu csum 0x%08x expected csum
0x%08x mirror %d",
+ "csum failed root %lld ino %lld off %llu csum %s expected csum %s
mirror %d",
root->root_key.objectid, btrfs_ino(inode),
- logical_start, csum, csum_expected, mirror_num);
+ logical_start, cbuf, ecbuf, mirror_num);
else
btrfs_warn_rl(root->fs_info,
- "csum failed root %llu ino %llu off %llu csum 0x%08x expected csum
0x%08x mirror %d",
+ "csum failed root %llu ino %llu off %llu csum %s expected csum %s
mirror %d",
root->root_key.objectid, btrfs_ino(inode),
- logical_start, csum, csum_expected, mirror_num);
+ logical_start, cbuf, ecbuf, mirror_num);
}
#endif
--
2.16.4
