Interesting ... may allow us to map a few of the NT STATUS codes to this new rc 135. We will have to scan the error mapping table On Wed, Feb 8, 2012 at 6:29 AM, David Howells <dhowells@xxxxxxxxxx> wrote: > Now that the kernel has filesystems (and possibly other services) that want to > look up internet addresses corresponding to arbitrary hostnames retrieved from > the server, it would seem useful to provide a couple of error codes to indicate > problems with the look up, rather than overloading some other error code. > > Define ENONAMESERVICE to indicate "Network name service unavailable". This can > be used to indicate, for example, that an attempt was made by dns_query() to > make a query, but the name server (e.g. a DNS server) it is supposed to contact > didn't answer or that it couldn't determine the location of a suitable server. > > Define ENAMEUNKNOWN to indicate "Network name unknown". This can be used to > indicate, for example, that an attempt was made by dns_query() to make a query, > but the name server (e.g. a DNS server) replied indicating that it had no > matching records. > > The DNS query upcall program can report these to keyctl_reject() so that cached > failed queries will respond with these errors until they expire. > > Signed-off-by: David Howells <dhowells@xxxxxxxxxx> > --- > > arch/alpha/include/asm/errno.h | 2 ++ > arch/mips/include/asm/errno.h | 2 ++ > arch/parisc/include/asm/errno.h | 2 ++ > arch/sparc/include/asm/errno.h | 2 ++ > include/asm-generic/errno.h | 2 ++ > 5 files changed, 10 insertions(+), 0 deletions(-) > > diff --git a/arch/alpha/include/asm/errno.h b/arch/alpha/include/asm/errno.h > index 5edc21e..d6e8582 100644 > --- a/arch/alpha/include/asm/errno.h > +++ b/arch/alpha/include/asm/errno.h > @@ -122,6 +122,8 @@ > > #define ERFKILL 138 /* Operation not possible due to RF-kill */ > #define ENOAUTHSERVICE 139 /* Authentication service not available */ > +#define ENONAMESERVICE 140 /* Network name service unavailable */ > +#define ENAMEUNKNOWN 141 /* Network name unknown */ > > #define EHWPOISON 139 /* Memory page has hardware error */ > > diff --git a/arch/mips/include/asm/errno.h b/arch/mips/include/asm/errno.h > index 9e0b83f..5ae25aa 100644 > --- a/arch/mips/include/asm/errno.h > +++ b/arch/mips/include/asm/errno.h > @@ -121,6 +121,8 @@ > > #define ERFKILL 167 /* Operation not possible due to RF-kill */ > #define ENOAUTHSERVICE 168 /* Authentication service not available */ > +#define ENONAMESERVICE 169 /* Network name service unavailable */ > +#define ENAMEUNKNOWN 170 /* Network name unknown */ > > #define EHWPOISON 168 /* Memory page has hardware error */ > > diff --git a/arch/parisc/include/asm/errno.h b/arch/parisc/include/asm/errno.h > index c4598b6..6b3bc7f 100644 > --- a/arch/parisc/include/asm/errno.h > +++ b/arch/parisc/include/asm/errno.h > @@ -122,6 +122,8 @@ > > #define ERFKILL 256 /* Operation not possible due to RF-kill */ > #define ENOAUTHSERVICE 257 /* Authentication service not available */ > +#define ENONAMESERVICE 258 /* Network name service unavailable */ > +#define ENAMEUNKNOWN 259 /* Network name unknown */ > > #define EHWPOISON 257 /* Memory page has hardware error */ > > diff --git a/arch/sparc/include/asm/errno.h b/arch/sparc/include/asm/errno.h > index ab4f9f5..5fab088 100644 > --- a/arch/sparc/include/asm/errno.h > +++ b/arch/sparc/include/asm/errno.h > @@ -112,6 +112,8 @@ > > #define ERFKILL 134 /* Operation not possible due to RF-kill */ > #define ENOAUTHSERVICE 135 /* Authentication service not available */ > +#define ENONAMESERVICE 136 /* Network name service unavailable */ > +#define ENAMEUNKNOWN 137 /* Network name unknown */ > > #define EHWPOISON 135 /* Memory page has hardware error */ > > diff --git a/include/asm-generic/errno.h b/include/asm-generic/errno.h > index 52325ca..719f60c 100644 > --- a/include/asm-generic/errno.h > +++ b/include/asm-generic/errno.h > @@ -108,6 +108,8 @@ > > #define ERFKILL 132 /* Operation not possible due to RF-kill */ > #define ENOAUTHSERVICE 133 /* Authentication service not available */ > +#define ENONAMESERVICE 134 /* Network name service unavailable */ > +#define ENAMEUNKNOWN 135 /* Network name unknown */ > > #define EHWPOISON 133 /* Memory page has hardware error */ > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Thanks, Steve -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
