Messages in this thread | | | Date | Wed, 4 Feb 2009 18:26:55 -0600 | From | "Serge E. Hallyn" <> | Subject | Re: [v2][PATCH 3/5] Move common mknod_ptmx() calls into caller |
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Quoting Sukadev Bhattiprolu (sukadev@linux.vnet.ibm.com): > > From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> > Date: Wed, 28 Jan 2009 18:54:25 -0800 > Subject: [v2][PATCH 3/5] Move common mknod_ptmx() calls into caller > > We create 'ptmx' node in both single-instance and multiple-instance > mounts. So devpts_get_sb() can call mknod_ptmx() once rather than > have both modes calling mknod_ptmx() separately. > > Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
And now I see, you could get rid of update_ptmx() because mknod_ptmx() will be called again anyway. So if you haven't replied yet pls ignore my previous email where I asked about that :)
thanks, -serge
> --- > fs/devpts/inode.c | 36 +++++++++++++++++------------------- > 1 files changed, 17 insertions(+), 19 deletions(-) > > diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c > index 9b24de8..f7e887c 100644 > --- a/fs/devpts/inode.c > +++ b/fs/devpts/inode.c > @@ -343,17 +343,7 @@ static int new_pts_mount(struct file_system_type *fs_type, int flags, > fsi = DEVPTS_SB(mnt->mnt_sb); > memcpy(&fsi->mount_opts, opts, sizeof(opts)); > > - err = mknod_ptmx(mnt->mnt_sb); > - if (err) > - goto fail; > - > return 0; > - > -fail: > - dput(mnt->mnt_sb->s_root); > - up_write(&mnt->mnt_sb->s_umount); > - deactivate_super(mnt->mnt_sb); > - return err; > } > > /* > @@ -421,13 +411,6 @@ static int init_pts_mount(struct file_system_type *fs_type, int flags, > if (err) > return err; > > - err = mknod_ptmx(mnt->mnt_sb); > - if (err) { > - dput(mnt->mnt_sb->s_root); > - up_write(&mnt->mnt_sb->s_umount); > - deactivate_super(mnt->mnt_sb); > - } > - > return err; > } > > @@ -445,9 +428,24 @@ static int devpts_get_sb(struct file_system_type *fs_type, > } > > if (opts.newinstance) > - return new_pts_mount(fs_type, flags, data, &opts, mnt); > + error = new_pts_mount(fs_type, flags, data, &opts, mnt); > else > - return init_pts_mount(fs_type, flags, data, &opts, mnt); > + error = init_pts_mount(fs_type, flags, data, &opts, mnt); > + > + if (error) > + return error; > + > + error = mknod_ptmx(mnt->mnt_sb); > + if (error) > + goto out_dput; > + > + return 0; > + > +out_dput: > + dput(mnt->mnt_sb->s_root); > + up_write(&mnt->mnt_sb->s_umount); > + deactivate_super(mnt->mnt_sb); > + return error; > } > > #else > -- > 1.5.2.5
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