diff options
Diffstat (limited to 'fs/btrfs/bio.c')
| -rw-r--r-- | fs/btrfs/bio.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c index 960b81718e29..477f350a8bd0 100644 --- a/fs/btrfs/bio.c +++ b/fs/btrfs/bio.c @@ -608,8 +608,20 @@ static void run_one_async_done(struct btrfs_work *work, bool do_free) static bool should_async_write(struct btrfs_bio *bbio) { + bool auto_csum_mode = true; + +#ifdef CONFIG_BTRFS_DEBUG + struct btrfs_fs_devices *fs_devices = bbio->fs_info->fs_devices; + enum btrfs_offload_csum_mode csum_mode = READ_ONCE(fs_devices->offload_csum_mode); + + if (csum_mode == BTRFS_OFFLOAD_CSUM_FORCE_OFF) + return false; + + auto_csum_mode = (csum_mode == BTRFS_OFFLOAD_CSUM_AUTO); +#endif + /* Submit synchronously if the checksum implementation is fast. */ - if (test_bit(BTRFS_FS_CSUM_IMPL_FAST, &bbio->fs_info->flags)) + if (auto_csum_mode && test_bit(BTRFS_FS_CSUM_IMPL_FAST, &bbio->fs_info->flags)) return false; /* |