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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-06-09 01:16:59 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-14 16:32:48 +0400 |
| commit | 6ce6e24e72233073c8ead9419fc5040d44803dae (patch) | |
| tree | b66a74dd7aef822b4bc573ab283e21320bcc0b25 /fs/proc_namespace.c | |
| parent | f7a99c5b7c8bd3d3f533c8b38274e33f3da9096e (diff) | |
| download | lwn-6ce6e24e72233073c8ead9419fc5040d44803dae.tar.gz lwn-6ce6e24e72233073c8ead9419fc5040d44803dae.zip | |
get rid of magic in proc_namespace.c
don't rely on proc_mounts->m being the first field; container_of()
is there for purpose. No need to bother with ->private, while
we are at it - the same container_of will do nicely.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/proc_namespace.c')
| -rw-r--r-- | fs/proc_namespace.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c index 5e289a7cbad1..5fe34c355e85 100644 --- a/fs/proc_namespace.c +++ b/fs/proc_namespace.c @@ -17,7 +17,7 @@ static unsigned mounts_poll(struct file *file, poll_table *wait) { - struct proc_mounts *p = file->private_data; + struct proc_mounts *p = proc_mounts(file->private_data); struct mnt_namespace *ns = p->ns; unsigned res = POLLIN | POLLRDNORM; @@ -121,7 +121,7 @@ out: static int show_mountinfo(struct seq_file *m, struct vfsmount *mnt) { - struct proc_mounts *p = m->private; + struct proc_mounts *p = proc_mounts(m); struct mount *r = real_mount(mnt); struct super_block *sb = mnt->mnt_sb; struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; @@ -268,7 +268,6 @@ static int mounts_open_common(struct inode *inode, struct file *file, if (ret) goto err_free; - p->m.private = p; p->ns = ns; p->root = root; p->m.poll_event = ns->event; @@ -288,7 +287,7 @@ static int mounts_open_common(struct inode *inode, struct file *file, static int mounts_release(struct inode *inode, struct file *file) { - struct proc_mounts *p = file->private_data; + struct proc_mounts *p = proc_mounts(file->private_data); path_put(&p->root); put_mnt_ns(p->ns); return seq_release(inode, file); |