Messages in this thread | | | Date | Wed, 23 May 2007 11:24:38 +0100 | From | Al Viro <> | Subject | Re: [RFC PATCH] file as directory |
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On Wed, May 23, 2007 at 12:09:19PM +0200, Miklos Szeredi wrote: > Right. After locking vfsmount_lock, mount_dironfile() should recheck > if there was a race and bail out.
Owww... Not pretty, that...
> I don't think the filesystem ought to try _creating_ a vfsmount. I > imagine, that the fs has already a kernel-internal mounted for this > kind of stuff, and it just supplies a dentry from that. The vfsmount > isn't actually important, but it should be readily available, and it's > easier to clone from a vfsmount/dentry pair.
I don't get it. What's the point of that exercise, then? When do you create that kernel-internal mount?
> As I said, the superblock should be persistent, so we'll get a stable > st_dev for multiple mounts.
OK, but then I guess I don't understand the intended use. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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