diff options
| author | Eric Biggers <ebiggers@kernel.org> | 2025-06-13 11:37:52 -0700 |
|---|---|---|
| committer | Eric Biggers <ebiggers@kernel.org> | 2025-06-30 09:31:56 -0700 |
| commit | 2c7528d36ea31a75a2338920d03b4c19e9f1da2f (patch) | |
| tree | 20c699ec726df681719282d005c1f3e50aacfc4c /fs/btrfs/disk-io.c | |
| parent | 5b019bb25fbfde0b148895a1676f4bfe7a264156 (diff) | |
btrfs: stop parsing crc32c driver name
To determine whether the crc32c implementation is "fast", use
crc32_optimizations() instead of parsing the crypto_shash driver name.
This keeps the code working as intended after the driver name is changed
by the next commit.
Acked-by: David Sterba <dsterba@suse.com>
Link: https://lore.kernel.org/r/20250613183753.31864-2-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 0d6ad7512f21..3b92431a70fb 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2028,14 +2028,10 @@ static int btrfs_init_csum_hash(struct btrfs_fs_info *fs_info, u16 csum_type) fs_info->csum_shash = csum_shash; - /* - * Check if the checksum implementation is a fast accelerated one. - * As-is this is a bit of a hack and should be replaced once the csum - * implementations provide that information themselves. - */ + /* Check if the checksum implementation is a fast accelerated one. */ switch (csum_type) { case BTRFS_CSUM_TYPE_CRC32: - if (!strstr(crypto_shash_driver_name(csum_shash), "generic")) + if (crc32_optimizations() & CRC32C_OPTIMIZATION) set_bit(BTRFS_FS_CSUM_IMPL_FAST, &fs_info->flags); break; case BTRFS_CSUM_TYPE_XXHASH: |