On Feb 08, 2008 17:35 -0500, Theodore Ts'o wrote:
> I plan to release this in an upcoming 1.40.6 release, along with code
> that allows "tune2fs -E test_fs" to work on ext4 filesystems. The idea
> is that if I can get this into community distro's, it will make it
> easier for them to experiment with ext4/ext4dev, with the appropriate
> forward compatibility when sometime (hopefully 2.6.26 or 2.6.27?) we
> rename ext4dev to ext4.
>
> Any comments before I push this change out to the maint branch?
>
> - Ted
>
>
> @@ -158,6 +159,109 @@ static void get_ext2_info(blkid_dev dev, struct
> blkid_magic *id,
> blkid_set_tag(dev, "SEC_TYPE", "ext2", sizeof("ext2"));
> }
>
> +/*
> + * Check to see if a filesystem is in /proc/filesystems.
> + * Returns 1 if found, 0 if not
> + */
> +int fs_proc_check(const char *fs_name)
> +{
> +}
Sure.
> +int check_for_modules(const char *fs_name)
> +{
> +}
This part is quite fragile IMHO. Why not blindly do an attempt to load
this module via the equivalent of system("modprobe %s", fs_name) and then
call fs_proc_check() to see if it is available? That removes all of the
kernel/module knowlege/complexity from blkid.
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
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