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-rw-r--r--target/linux/generic/backport-5.10/500-v5.13-ubifs-default-to-zstd-compression.patch25
-rw-r--r--target/linux/generic/backport-5.4/500-v5.13-ubifs-default-to-zstd-compression.patch25
2 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/500-v5.13-ubifs-default-to-zstd-compression.patch b/target/linux/generic/backport-5.10/500-v5.13-ubifs-default-to-zstd-compression.patch
new file mode 100644
index 0000000000..dd50c19c27
--- /dev/null
+++ b/target/linux/generic/backport-5.10/500-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;
+
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;
+