X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fproc%2Fgeneric.c;h=cb4096cc3fb7456f96a5a4e30dc1957e0707b10e;hb=267e2a9c71b8e088ac307f9549f71468e86e26c1;hp=9d53b39a9cf8983b8c2e30b9bc1c661dfe89f1b6;hpb=a217656cb26c5b7ebe9900354b2e808c1f74b470;p=linux-2.6-omap-h63xx.git diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 9d53b39a9cf..cb4096cc3fb 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -597,6 +597,7 @@ static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent, ent->pde_users = 0; spin_lock_init(&ent->pde_unload_lock); ent->pde_unload_completion = NULL; + INIT_LIST_HEAD(&ent->pde_openers); out: return ent; } @@ -641,6 +642,23 @@ struct proc_dir_entry *proc_mkdir_mode(const char *name, mode_t mode, return ent; } +struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name, + struct proc_dir_entry *parent) +{ + struct proc_dir_entry *ent; + + ent = __proc_create(&parent, name, S_IFDIR | S_IRUGO | S_IXUGO, 2); + if (ent) { + ent->data = net; + if (proc_register(parent, ent) < 0) { + kfree(ent); + ent = NULL; + } + } + return ent; +} +EXPORT_SYMBOL_GPL(proc_net_mkdir); + struct proc_dir_entry *proc_mkdir(const char *name, struct proc_dir_entry *parent) { @@ -772,15 +790,25 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent) spin_unlock(&de->pde_unload_lock); continue_removing: + spin_lock(&de->pde_unload_lock); + while (!list_empty(&de->pde_openers)) { + struct pde_opener *pdeo; + + pdeo = list_first_entry(&de->pde_openers, struct pde_opener, lh); + list_del(&pdeo->lh); + spin_unlock(&de->pde_unload_lock); + pdeo->release(pdeo->inode, pdeo->file); + kfree(pdeo); + spin_lock(&de->pde_unload_lock); + } + spin_unlock(&de->pde_unload_lock); + if (S_ISDIR(de->mode)) parent->nlink--; de->nlink = 0; - if (de->subdir) { - printk(KERN_WARNING "%s: removing non-empty directory " + WARN(de->subdir, KERN_WARNING "%s: removing non-empty directory " "'%s/%s', leaking at least '%s'\n", __func__, de->parent->name, de->name, de->subdir->name); - WARN_ON(1); - } if (atomic_dec_and_test(&de->count)) free_proc_entry(de); }