Re: [v2][PATCH 5/5] Merge code for single and multiple-instancemounts

From: Serge E. Hallyn
Date: Fri Feb 06 2009 - 13:52:08 EST


Quoting Sukadev Bhattiprolu (sukadev@xxxxxxxxxxxxxxxxxx):
>
> From: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
> Date: Wed, 28 Jan 2009 19:11:15 -0800
> Subject: [v2][PATCH 5/5] Merge code for single and multiple-instance mounts
>
> new_pts_mount() (including the get_sb_nodev()), shares a lot of code
> with init_pts_mount(). The only difference between them is the 'test-super'
> function passed into sget().
>
> Move all common code into devpts_get_sb() and remove the new_pts_mount() and
> init_pts_mount() functions,
>
> Changelog[v2]:
> (Christoph Hellwig): Merge code in 'do_pts_mount()' into devpts_get_sb()
>
> Signed-off-by: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>

Acked-by: Serge Hallyn <serue@xxxxxxxxxx>
Tested-by: Serge Hallyn <serue@xxxxxxxxxx>

except that:

> @@ -414,24 +365,41 @@ static int devpts_get_sb(struct file_system_type *fs_type,
> return error;
> }
>
> - if (opts.newinstance)
> - error = new_pts_mount(fs_type, flags, data, &opts, mnt);
> - else
> - error = init_pts_mount(fs_type, flags, data, &opts, mnt);
> + if (opts.newinstance) {
> + printk(KERN_NOTICE "devpts: newinstance mount\n");
> + s = sget(fs_type, NULL, set_anon_super, NULL);
> + } else {
> + printk(KERN_NOTICE "devpts: single-instance mount\n");

These printks probably shouldn't stay in...

> + s = sget(fs_type, compare_init_pts_sb, set_anon_super, NULL);
> + }

thanks,
-serge
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