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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
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37
target/linux/generic/pending-4.14/551-ubifs-fix-default-compression-selection.patch Normal file
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@@ -0,0 +1,37 @@
From: Gabor Juhos <juhosg@openwrt.org>
Subject: fs: ubifs: fix default compression selection in ubifs
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
fs/ubifs/sb.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
--- a/fs/ubifs/sb.c
+++ b/fs/ubifs/sb.c
@@ -63,6 +63,17 @@
/* Default time granularity in nanoseconds */
#define DEFAULT_TIME_GRAN 1000000000
+static int get_default_compressor(void)
+{
+ if (ubifs_compr_present(UBIFS_COMPR_LZO))
+ return UBIFS_COMPR_LZO;
+
+ if (ubifs_compr_present(UBIFS_COMPR_ZLIB))
+ return UBIFS_COMPR_ZLIB;
+
+ return UBIFS_COMPR_NONE;
+}
+
/**
* create_default_filesystem - format empty UBI volume.
* @c: UBIFS file-system description object
@@ -186,7 +197,7 @@ static int create_default_filesystem(str
if (c->mount_opts.override_compr)
sup->default_compr = cpu_to_le16(c->mount_opts.compr_type);
else
- sup->default_compr = cpu_to_le16(UBIFS_COMPR_LZO);
+ sup->default_compr = cpu_to_le16(get_default_compressor());
generate_random_uuid(sup->uuid);