diff options
| author | Eric Biggers <ebiggers@google.com> | 2020-04-30 23:51:59 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-05-25 11:25:27 +0200 |
| commit | fd08001f17c7f0a5b19bf4026bbaace19d8fbdb6 (patch) | |
| tree | fd5f401d3bfec680a75e5c2d59fd4e124a603316 /fs/btrfs/file-item.c | |
| parent | 1ed802c972c6c676412e34d168e313a17c3d931e (diff) | |
btrfs: use crypto_shash_digest() instead of open coding
Use crypto_shash_digest() instead of crypto_shash_init() +
crypto_shash_update() + crypto_shash_final(). This is more efficient.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/file-item.c')
| -rw-r--r-- | fs/btrfs/file-item.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 22cbb4da6d42..8cdd06ea0e67 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -601,13 +601,12 @@ blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio, index = 0; } - crypto_shash_init(shash); data = kmap_atomic(bvec.bv_page); - crypto_shash_update(shash, data + bvec.bv_offset + crypto_shash_digest(shash, data + bvec.bv_offset + (i * fs_info->sectorsize), - fs_info->sectorsize); + fs_info->sectorsize, + sums->sums + index); kunmap_atomic(data); - crypto_shash_final(shash, (char *)(sums->sums + index)); index += csum_size; offset += fs_info->sectorsize; this_sum_bytes += fs_info->sectorsize; |