From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 29 Jan 2013 21:32:22 +0000 (+0000)
Subject: generic: fix default compression selection in ubifs
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5a2aa8f184ecc8544832764e8b21f6eafd3a68bc;p=openwrt%2Fstaging%2Fblocktrron.git

generic: fix default compression selection in ubifs

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35398
---

diff --git a/target/linux/generic/patches-3.7/551-ubifs-fix-default-compression-selection.patch b/target/linux/generic/patches-3.7/551-ubifs-fix-default-compression-selection.patch
new file mode 100644
index 0000000000..1b0f30718c
--- /dev/null
+++ b/target/linux/generic/patches-3.7/551-ubifs-fix-default-compression-selection.patch
@@ -0,0 +1,29 @@
+--- 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
+@@ -183,7 +194,7 @@ 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);
+ 
diff --git a/target/linux/generic/patches-3.8/551-ubifs-fix-default-compression-selection.patch b/target/linux/generic/patches-3.8/551-ubifs-fix-default-compression-selection.patch
new file mode 100644
index 0000000000..1b0f30718c
--- /dev/null
+++ b/target/linux/generic/patches-3.8/551-ubifs-fix-default-compression-selection.patch
@@ -0,0 +1,29 @@
+--- 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
+@@ -183,7 +194,7 @@ 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);
+