On Wed, Mar 23, 2016 at 4:17 AM, Geert Uytterhoeven <ge...@linux-m68k.org> wrote: > On Tue, Mar 8, 2016 at 2:53 PM, Maciej S. Szmigiero > <m...@maciej.szmigiero.name> wrote: >> FAT has long supported its own default file name encoding >> config setting, separate from CONFIG_NLS_DEFAULT. >> >> However, if UTF-8 encoded file names are desired FAT >> character set should not be set to utf8 since this would >> make file names case sensitive even if case insensitive >> matching is requested. >> Instead, "utf8" mount options should be provided to enable >> UTF-8 file names in FAT file system. >> >> Unfortunately, there was no possibility to set the default >> value of this option so on UTF-8 system "utf8" mount option >> had to be added manually to most FAT mounts. >> >> This patch adds config option to set such default value. >> >> Signed-off-by: Maciej S. Szmigiero <m...@maciej.szmigiero.name> > >> --- a/fs/fat/Kconfig >> +++ b/fs/fat/Kconfig >> @@ -93,8 +93,24 @@ config FAT_DEFAULT_IOCHARSET >> that most of your FAT filesystems use, and can be overridden >> with the "iocharset" mount option for FAT filesystems. >> Note that "utf8" is not recommended for FAT filesystems. >> - If unsure, you shouldn't set "utf8" here. >> + If unsure, you shouldn't set "utf8" here - select the next option >> + instead if you would like to use UTF-8 encoded file names by >> default. >> See <file:Documentation/filesystems/vfat.txt> for more information. >> >> Enable any character sets you need in File Systems/Native Language >> Support. >> + >> +config FAT_DEFAULT_UTF8 >> + bool "Enable FAT UTF-8 option by default" >> + depends on VFAT_FS >> + default n >> + help >> + Set this if you would like to have "utf8" mount option set >> + by default when mounting FAT filesystems. >> + >> + Even if you say Y here can always disable UTF-8 for >> + particular mount by adding "utf8=0" to mount options. >> + >> + Say Y if you use UTF-8 encoding for file names, N otherwise. >> + >> + See <file:Documentation/filesystems/vfat.txt> for more information. > > What's the recommended value of CONFIG_FAT_DEFAULT_UTF8 for > a (distro) defconfig?
Yes, I'm curious about this as well. My initial assumption is to leave it off, given that if you turn it on when it wasn't previously it will change the behavior. I would also assume that is why it is marked as default n. josh
