diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ecryptfs/netlink.c | 3 | ||||
| -rw-r--r-- | fs/proc/proc_net.c | 55 | ||||
| -rw-r--r-- | fs/splice.c | 9 |
3 files changed, 60 insertions, 7 deletions
diff --git a/fs/ecryptfs/netlink.c b/fs/ecryptfs/netlink.c index 9aa345121e09..f638a698dc52 100644 --- a/fs/ecryptfs/netlink.c +++ b/fs/ecryptfs/netlink.c @@ -237,7 +237,6 @@ out: */ void ecryptfs_release_netlink(void) { - if (ecryptfs_nl_sock && ecryptfs_nl_sock->sk_socket) - sock_release(ecryptfs_nl_sock->sk_socket); + netlink_kernel_release(ecryptfs_nl_sock); ecryptfs_nl_sock = NULL; } diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c index 0afe21ee0607..4823c9677fac 100644 --- a/fs/proc/proc_net.c +++ b/fs/proc/proc_net.c @@ -22,10 +22,48 @@ #include <linux/mount.h> #include <linux/nsproxy.h> #include <net/net_namespace.h> +#include <linux/seq_file.h> #include "internal.h" +int seq_open_net(struct inode *ino, struct file *f, + const struct seq_operations *ops, int size) +{ + struct net *net; + struct seq_net_private *p; + + BUG_ON(size < sizeof(*p)); + + net = get_proc_net(ino); + if (net == NULL) + return -ENXIO; + + p = __seq_open_private(f, ops, size); + if (p == NULL) { + put_net(net); + return -ENOMEM; + } + p->net = net; + return 0; +} +EXPORT_SYMBOL_GPL(seq_open_net); + +int seq_release_net(struct inode *ino, struct file *f) +{ + struct seq_file *seq; + struct seq_net_private *p; + + seq = f->private_data; + p = seq->private; + + put_net(p->net); + seq_release_private(ino, f); + return 0; +} +EXPORT_SYMBOL_GPL(seq_release_net); + + struct proc_dir_entry *proc_net_fops_create(struct net *net, const char *name, mode_t mode, const struct file_operations *fops) { @@ -58,6 +96,17 @@ static struct proc_dir_entry *proc_net_shadow(struct task_struct *task, return task->nsproxy->net_ns->proc_net; } +struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name, + struct proc_dir_entry *parent) +{ + struct proc_dir_entry *pde; + pde = proc_mkdir_mode(name, S_IRUGO | S_IXUGO, parent); + if (pde != NULL) + pde->data = net; + return pde; +} +EXPORT_SYMBOL_GPL(proc_net_mkdir); + static __net_init int proc_net_ns_init(struct net *net) { struct proc_dir_entry *root, *netd, *net_statd; @@ -69,18 +118,16 @@ static __net_init int proc_net_ns_init(struct net *net) goto out; err = -EEXIST; - netd = proc_mkdir("net", root); + netd = proc_net_mkdir(net, "net", root); if (!netd) goto free_root; err = -EEXIST; - net_statd = proc_mkdir("stat", netd); + net_statd = proc_net_mkdir(net, "stat", netd); if (!net_statd) goto free_net; root->data = net; - netd->data = net; - net_statd->data = net; net->proc_net_root = root; net->proc_net = netd; diff --git a/fs/splice.c b/fs/splice.c index 56b802bfbfa4..0a0b79b01d05 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -254,11 +254,16 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, } while (page_nr < spd_pages) - page_cache_release(spd->pages[page_nr++]); + spd->spd_release(spd, page_nr++); return ret; } +static void spd_release_page(struct splice_pipe_desc *spd, unsigned int i) +{ + page_cache_release(spd->pages[i]); +} + static int __generic_file_splice_read(struct file *in, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, @@ -277,6 +282,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, .partial = partial, .flags = flags, .ops = &page_cache_pipe_buf_ops, + .spd_release = spd_release_page, }; index = *ppos >> PAGE_CACHE_SHIFT; @@ -1432,6 +1438,7 @@ static long vmsplice_to_pipe(struct file *file, const struct iovec __user *iov, .partial = partial, .flags = flags, .ops = &user_page_pipe_buf_ops, + .spd_release = spd_release_page, }; pipe = pipe_info(file->f_path.dentry->d_inode); |