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authorJonas Gorski <jogo@openwrt.org>2015-06-22 12:27:59 +0000
committerJonas Gorski <jogo@openwrt.org>2015-06-22 12:27:59 +0000
commita0c49ef46f7caf5eb02c635d446218201008ecff (patch)
treea94180d50839c1587dfe845e8faf16405fab78ff /target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch
parent518ab154e059c9f39684f8c78159c9caf333716b (diff)
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generic: add linux 4.1 support
Boot tested: http://pastebin.com/L6aAb9xj Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> [jogo: update to 4.1 final add patches added since submission delete patches applied in later rcs restore commit messages in 220-gc-sections and 304-mips_disable_fpu fix 050-backport_netfilter_rtcache to match new API update inlined dma ops with upstream changes add missing config symbols enabled CONFIG_MULTIUSER update kmod defintions for 4.1 ] Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 46112
Diffstat (limited to 'target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch')
-rw-r--r--target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch92
1 files changed, 92 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch b/target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch
new file mode 100644
index 0000000..f85689c
--- /dev/null
+++ b/target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch
@@ -0,0 +1,92 @@
+--- a/fs/ubifs/Kconfig
++++ b/fs/ubifs/Kconfig
+@@ -5,8 +5,10 @@ config UBIFS_FS
+ select CRYPTO if UBIFS_FS_ADVANCED_COMPR
+ select CRYPTO if UBIFS_FS_LZO
+ select CRYPTO if UBIFS_FS_ZLIB
++ select CRYPTO if UBIFS_FS_XZ
+ select CRYPTO_LZO if UBIFS_FS_LZO
+ select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
++ select CRYPTO_XZ if UBIFS_FS_XZ
+ depends on MTD_UBI
+ help
+ UBIFS is a file system for flash devices which works on top of UBI.
+@@ -35,3 +37,12 @@ config UBIFS_FS_ZLIB
+ default y
+ help
+ Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
++
++config UBIFS_FS_XZ
++ bool "XZ decompression support" if UBIFS_FS_ADVANCED_COMPR
++ depends on UBIFS_FS
++ default y
++ help
++ XZ compresses better the ZLIB but it is slower..
++ Say 'Y' if unsure.
++
+--- a/fs/ubifs/compress.c
++++ b/fs/ubifs/compress.c
+@@ -71,6 +71,24 @@ static struct ubifs_compressor zlib_comp
+ };
+ #endif
+
++#ifdef CONFIG_UBIFS_FS_XZ
++static DEFINE_MUTEX(xz_enc_mutex);
++static DEFINE_MUTEX(xz_dec_mutex);
++
++static struct ubifs_compressor xz_compr = {
++ .compr_type = UBIFS_COMPR_XZ,
++ .comp_mutex = &xz_enc_mutex,
++ .decomp_mutex = &xz_dec_mutex,
++ .name = "xz",
++ .capi_name = "xz",
++};
++#else
++static struct ubifs_compressor xz_compr = {
++ .compr_type = UBIFS_COMPR_XZ,
++ .name = "xz",
++};
++#endif
++
+ /* All UBIFS compressors */
+ struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
+
+@@ -232,9 +250,15 @@ int __init ubifs_compressors_init(void)
+ if (err)
+ goto out_lzo;
+
++ err = compr_init(&xz_compr);
++ if (err)
++ goto out_zlib;
++
+ ubifs_compressors[UBIFS_COMPR_NONE] = &none_compr;
+ return 0;
+
++out_zlib:
++ compr_exit(&zlib_compr);
+ out_lzo:
+ compr_exit(&lzo_compr);
+ return err;
+@@ -247,4 +271,5 @@ void ubifs_compressors_exit(void)
+ {
+ compr_exit(&lzo_compr);
+ compr_exit(&zlib_compr);
++ compr_exit(&xz_compr);
+ }
+--- a/fs/ubifs/ubifs-media.h
++++ b/fs/ubifs/ubifs-media.h
+@@ -332,12 +332,14 @@ enum {
+ * UBIFS_COMPR_NONE: no compression
+ * UBIFS_COMPR_LZO: LZO compression
+ * UBIFS_COMPR_ZLIB: ZLIB compression
++ * UBIFS_COMPR_XZ: XZ compression
+ * UBIFS_COMPR_TYPES_CNT: count of supported compression types
+ */
+ enum {
+ UBIFS_COMPR_NONE,
+ UBIFS_COMPR_LZO,
+ UBIFS_COMPR_ZLIB,
++ UBIFS_COMPR_XZ,
+ UBIFS_COMPR_TYPES_CNT,
+ };
+