openwrt/target/linux/generic/patches-4.1/551-ubifs-fix-default-compression-selection.patch
Jonas Gorski a0c49ef46f 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
2015-06-22 12:27:59 +00:00

30 lines
800 B
Diff

--- 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);