target/linux/generic/backport-5.10/500-v5.13-ubifs-default-to-zstd-compression.patch

   1 From dcdf415b740923530dc71d89fecc8361078473f5 Mon Sep 17 00:00:00 2001
   2 From: Rui Salvaterra <rsalvaterra@gmail.com>
   3 Date: Mon, 5 Apr 2021 16:11:55 +0100
   4 Subject: [PATCH] ubifs: default to zstd compression
   5
   6 Compared to lzo and zlib, zstd is the best all-around performer, both in terms
   7 of speed and compression ratio. Set it as the default, if available.
   8
   9 Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
  10 ---
  11  fs/ubifs/sb.c | 3 +++
  12  1 file changed, 3 insertions(+)
  13
  14 --- a/fs/ubifs/sb.c
  15 +++ b/fs/ubifs/sb.c
  16 @@ -53,6 +53,9 @@
  17
  18  static int get_default_compressor(struct ubifs_info *c)
  19  {
  20 +       if (ubifs_compr_present(c, UBIFS_COMPR_ZSTD))
  21 +               return UBIFS_COMPR_ZSTD;
  22 +
  23         if (ubifs_compr_present(c, UBIFS_COMPR_LZO))
  24                 return UBIFS_COMPR_LZO;
  25