Re: [RFC PATCH] add filesystem subtype support

From: Jan Engelhardt
Date: Mon Feb 12 2007 - 13:29:18 EST


Hi,

On Feb 12 2007 12:50, Miklos Szeredi wrote:
>Index: linux/fs/filesystems.c
>===================================================================
>--- linux.orig/fs/filesystems.c 2007-02-12 12:42:55.000000000 +0100
>+++ linux/fs/filesystems.c 2007-02-12 12:43:00.000000000 +0100
>@@ -42,11 +42,12 @@ void put_filesystem(struct file_system_t
> module_put(fs->owner);
> }
>
>-static struct file_system_type **find_filesystem(const char *name)
>+static struct file_system_type **find_filesystem(const char *name, unsigned len)
> {
> struct file_system_type **p;
> for (p=&file_systems; *p; p=&(*p)->next)
>- if (strcmp((*p)->name,name) == 0)
>+ if (strlen((*p)->name) == len &&
>+ strncmp((*p)->name, name, len) == 0)
> break;
> return p;
> }

Question btw, why does this function return a struct file_system_type ** at
all? Would not struct file_system_type * suffice?


I like the idea. Then the "real filesystem type" (e.g. sshfs) pops up in the
fstype field in getmntent, and `df`, for example.


Jan
--
ft: http://freshmeat.net/p/chaostables/
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