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btrfs-progs: use proper unaligned helper in btrfs_csum_final 

This will not cause unaligned access as the checksum is at the beginning
of btrfs_header and thus aligned to a page, but for clarity use the
helper.

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2016-07-28 19:36:50 +02:00
parent 2f732723d6
commit 4e4c1e6039
1 changed files with 1 additions and 1 deletions
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disk-io.c
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@ -125,7 +125,7 @@ u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len)
void btrfs_csum_final(u32 crc, char *result)
{
*(__le32 *)result = ~cpu_to_le32(crc);
put_unaligned_le32(~crc, result);
}
static int __csum_tree_block_size(struct extent_buffer *buf, u16 csum_size,