From: Qu Wenruo Date: Thu, 22 Feb 2024 03:30:25 +0000 (+1030) Subject: btrfs: compression: remove dead comments in btrfs_compress_heuristic() X-Git-Tag: block-6.9-20240315~40^2~10 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=25da852d83e93bb2019434bc05e7cdfa62c07240;p=linux-block.git btrfs: compression: remove dead comments in btrfs_compress_heuristic() Since commit a440d48c7f93 ("Btrfs: heuristic: implement sampling logic"), btrfs_compress_heuristic() is no longer a simple "return true", but more complex to determine if we should compress. Thus the comment is dead and can be confusing, just remove it. Signed-off-by: Qu Wenruo Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 0b8833baf404..b2b94009959d 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -1476,11 +1476,6 @@ static void heuristic_collect_sample(struct inode *inode, u64 start, u64 end, /* * Compression heuristic. * - * For now is's a naive and optimistic 'return true', we'll extend the logic to - * quickly (compared to direct compression) detect data characteristics - * (compressible/incompressible) to avoid wasting CPU time on incompressible - * data. - * * The following types of analysis can be performed: * - detect mostly zero data * - detect data with low "byte set" size (text, etc)