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List:       fuse-devel
Subject:    Re: [fuse-devel] Create multiple filesystems in same process
From:       Shashaank Tulsyan <shashaanktulsyan () gmail ! com>
Date:       2009-08-18 12:39:33
Message-ID: 4A8A9E35.4090002 () gmail ! com
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Miklos Szeredi wrote:
> On Sun, 09 Aug 2009, Shashaank Tulsyan wrote:
>   
>> Hi,
>> While calling fuse_main(...)
>> we pass a static instance fuse_operations. But this way we have only one 
>> filesystem per process.
>> How can I have more than one instance of virtual filesystem (mounted at 
>> different location ofcourse).
>> (These filesystems will in general have different contents.)
>>
>> Or the only way to have more than one filesystem is to have them each 
>> filesystem in a separate process ?
>>     
>
> No, it's possible to have multiple filesystems in a single process.
>
> The simplest is to create separate threads for each mount and call
> fuse_main() in each.  This must be done using the '-f' option to
> prevent the first fuse_main() from forking into the background and
> destroying the other threads.
>
> Alternatively, you can use following functions, which actually make up
> the fuse_main() helper:
>
>    fuse_parse_cmdline
>    fuse_mount
>    fuse_new
>    fuse_daemonize
>    fuse_set_signal_handlers
>    fuse_loop[_mt]
>    fuse_remove_signal_handlers
>    fuse_unmount
>    fuse_destroy
>
> (for details see lib/helper.c in the fuse source).
>
> Thanks,
> Miklos
>
>   
Thanks

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