On Mon, Sep 16, 2013 at 02:51:56PM +0200, Miklos Szeredi wrote:
> From: Miklos Szeredi <mszeredi@xxxxxxx>
>
> commit b6f4bee02f "fs/9p: Fix atomic_open" fixed the O_EXCL behavior, but
> results in a dentry leak if v9fs_vfs_lookup() returns non-NULL.
Frankly, I would prefer to deal with that in fs/namei.c:atomic_open()
instead. I.e. let it call finish_no_open() as it used to do and
turn
if (create_error && dentry->d_inode == NULL) {
error = create_error;
goto out;
}
in fs/namei.c:atomic_open() into
if (!dentry->d_inode) {
if (create_error) {
error = create_error;
goto out;
}
} else if ((open_flag & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) {
error = -EEXIST;
goto out;
}
rather than try to deal with that crap in each instance of ->atomic_open()...
Objections?
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