diff options
| author | David Sterba <dsterba@suse.com> | 2025-09-17 19:53:55 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2025-09-23 08:49:26 +0200 |
| commit | cc53bd2085c8fa7b199a9a8e10e634b62a6d3fa8 (patch) | |
| tree | e109a51a63115104c3769dff9a9beac8acec879b /fs/btrfs/zstd.c | |
| parent | 9264d004a6c9788354b45553b9e4fe910e71b387 (diff) | |
btrfs: add unlikely annotations to branches leading to EIO
The unlikely() annotation is a static prediction hint that compiler may
use to reorder code out of hot path. We use it elsewhere (namely
tree-checker.c) for error branches that almost never happen, where
EIO is one of them.
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zstd.c')
| -rw-r--r-- | fs/btrfs/zstd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/zstd.c b/fs/btrfs/zstd.c index 8f7c8d27c9ca..c9cddcfa337b 100644 --- a/fs/btrfs/zstd.c +++ b/fs/btrfs/zstd.c @@ -654,7 +654,7 @@ int zstd_decompress_bio(struct list_head *ws, struct compressed_bio *cb) if (workspace->in_buf.pos == workspace->in_buf.size) { kunmap_local(workspace->in_buf.src); folio_in_index++; - if (folio_in_index >= total_folios_in) { + if (unlikely(folio_in_index >= total_folios_in)) { workspace->in_buf.src = NULL; ret = -EIO; goto done; |