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| author | Rui Salvaterra <rsalvaterra@gmail.com> | 2021-04-05 16:45:47 +0100 |
|---|---|---|
| committer | Rui Salvaterra <rsalvaterra@gmail.com> | 2021-04-21 10:31:07 +0100 |
| commit | c4d39c4d5f66d5c96131737f7905c96c258d82ba (patch) | |
| tree | 5cbd5f36b6cd003226e30e69cafe53c0c6ee2175 /target/linux/generic/backport-5.4 | |
| parent | 53546c3e945f5a0a8f8c62311f48c6f21c9ab0a8 (diff) | |
| download | upstream-c4d39c4d5f66d5c96131737f7905c96c258d82ba.tar.gz upstream-c4d39c4d5f66d5c96131737f7905c96c258d82ba.tar.bz2 upstream-c4d39c4d5f66d5c96131737f7905c96c258d82ba.zip | |
kernel: default to zstd compression in ubifs
Compared to both lzo and zlib, zstd is the best all-around performer. Backport
a kernel patch [1] (to both 5.4 and 5.10), in order to set it as default for
ubifs, if available.
[1] https://lore.kernel.org/linux-mtd/CAFLxGvwhtRY-6kT-sN=AgjvyssHb5qdTS6WQHkhKu3YrPuTkdw@mail.gmail.com/
Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
Diffstat (limited to 'target/linux/generic/backport-5.4')
| -rw-r--r-- | target/linux/generic/backport-5.4/500-v5.13-ubifs-default-to-zstd-compression.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/500-v5.13-ubifs-default-to-zstd-compression.patch b/target/linux/generic/backport-5.4/500-v5.13-ubifs-default-to-zstd-compression.patch new file mode 100644 index 0000000000..dd50c19c27 --- /dev/null +++ b/target/linux/generic/backport-5.4/500-v5.13-ubifs-default-to-zstd-compression.patch @@ -0,0 +1,25 @@ +From dcdf415b740923530dc71d89fecc8361078473f5 Mon Sep 17 00:00:00 2001 +From: Rui Salvaterra <rsalvaterra@gmail.com> +Date: Mon, 5 Apr 2021 16:11:55 +0100 +Subject: [PATCH] ubifs: default to zstd compression + +Compared to lzo and zlib, zstd is the best all-around performer, both in terms +of speed and compression ratio. Set it as the default, if available. + +Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com> +--- + fs/ubifs/sb.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/fs/ubifs/sb.c ++++ b/fs/ubifs/sb.c +@@ -53,6 +53,9 @@ + + static int get_default_compressor(struct ubifs_info *c) + { ++ if (ubifs_compr_present(c, UBIFS_COMPR_ZSTD)) ++ return UBIFS_COMPR_ZSTD; ++ + if (ubifs_compr_present(c, UBIFS_COMPR_LZO)) + return UBIFS_COMPR_LZO; + |