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-rw-r--r--fs/btrfs/disk-io.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 6d19a0a554aa..7bb28691ed98 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -238,7 +238,7 @@ out:
return em;
}
-u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len)
+u32 btrfs_csum_data(char *data, u32 seed, size_t len)
{
return crc32c(seed, data, len);
}
@@ -274,7 +274,7 @@ static int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
if (err)
return 1;
cur_len = min(len, map_len - (offset - map_start));
- crc = btrfs_csum_data(root, kaddr + offset - map_start,
+ crc = btrfs_csum_data(kaddr + offset - map_start,
crc, cur_len);
len -= cur_len;
offset += cur_len;
@@ -2919,7 +2919,7 @@ static int write_dev_supers(struct btrfs_device *device,
btrfs_set_super_bytenr(sb, bytenr);
crc = ~(u32)0;
- crc = btrfs_csum_data(NULL, (char *)sb +
+ crc = btrfs_csum_data((char *)sb +
BTRFS_CSUM_SIZE, crc,
BTRFS_SUPER_INFO_SIZE -
BTRFS_CSUM_SIZE);
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