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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-26 15:48:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-26 17:22:07 -0700
commit9ec3a646fe09970f801ab15e0f1694060b9f19af (patch)
tree697058ca7e1671eda180a3ccc62445686fbc1a31 /net
parentc8b3fd0ce313443731e8fd6d5a541085eb465f99 (diff)
parent3cab989afd8d8d1bc3d99fef0e7ed87c31e7b647 (diff)
downloadkernel-9ec3a646fe09970f801ab15e0f1694060b9f19af.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull fourth vfs update from Al Viro: "d_inode() annotations from David Howells (sat in for-next since before the beginning of merge window) + four assorted fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: RCU pathwalk breakage when running into a symlink overmounting something fix I_DIO_WAKEUP definition direct-io: only inc/dec inode->i_dio_count for file systems fs/9p: fix readdir() VFS: assorted d_backing_inode() annotations VFS: fs/inode.c helpers: d_inode() annotations VFS: fs/cachefiles: d_backing_inode() annotations VFS: fs library helpers: d_inode() annotations VFS: assorted weird filesystems: d_inode() annotations VFS: normal filesystems (and lustre): d_inode() annotations VFS: security/: d_inode() annotations VFS: security/: d_backing_inode() annotations VFS: net/: d_inode() annotations VFS: net/unix: d_backing_inode() annotations VFS: kernel/: d_inode() annotations VFS: audit: d_backing_inode() annotations VFS: Fix up some ->d_inode accesses in the chelsio driver VFS: Cachefiles should perform fs modifications on the top layer only VFS: AF_UNIX sockets should call mknod on the top layer only
Diffstat (limited to 'net')
-rw-r--r--net/socket.c6
-rw-r--r--net/sunrpc/rpc_pipe.c32
-rw-r--r--net/unix/af_unix.c8
-rw-r--r--net/unix/diag.c2
4 files changed, 24 insertions, 24 deletions
diff --git a/net/socket.c b/net/socket.c
index 3e33959f3ce5..884e32997698 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -312,7 +312,7 @@ static const struct super_operations sockfs_ops = {
static char *sockfs_dname(struct dentry *dentry, char *buffer, int buflen)
{
return dynamic_dname(dentry, buffer, buflen, "socket:[%lu]",
- dentry->d_inode->i_ino);
+ d_inode(dentry)->i_ino);
}
static const struct dentry_operations sockfs_dentry_operations = {
@@ -375,7 +375,7 @@ struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname)
&socket_file_ops);
if (unlikely(IS_ERR(file))) {
/* drop dentry, keep inode */
- ihold(path.dentry->d_inode);
+ ihold(d_inode(path.dentry));
path_put(&path);
return file;
}
@@ -497,7 +497,7 @@ static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer,
ssize_t len;
ssize_t used = 0;
- len = security_inode_listsecurity(dentry->d_inode, buffer, size);
+ len = security_inode_listsecurity(d_inode(dentry), buffer, size);
if (len < 0)
return len;
used += len;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 2d12b76b5a64..d81186d34558 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -94,7 +94,7 @@ rpc_timeout_upcall_queue(struct work_struct *work)
}
dentry = dget(pipe->dentry);
spin_unlock(&pipe->lock);
- rpc_purge_list(dentry ? &RPC_I(dentry->d_inode)->waitq : NULL,
+ rpc_purge_list(dentry ? &RPC_I(d_inode(dentry))->waitq : NULL,
&free_list, destroy_msg, -ETIMEDOUT);
dput(dentry);
}
@@ -152,7 +152,7 @@ rpc_queue_upcall(struct rpc_pipe *pipe, struct rpc_pipe_msg *msg)
dentry = dget(pipe->dentry);
spin_unlock(&pipe->lock);
if (dentry) {
- wake_up(&RPC_I(dentry->d_inode)->waitq);
+ wake_up(&RPC_I(d_inode(dentry))->waitq);
dput(dentry);
}
return res;
@@ -591,7 +591,7 @@ static int __rpc_mkpipe_dentry(struct inode *dir, struct dentry *dentry,
err = __rpc_create_common(dir, dentry, S_IFIFO | mode, i_fop, private);
if (err)
return err;
- rpci = RPC_I(dentry->d_inode);
+ rpci = RPC_I(d_inode(dentry));
rpci->private = private;
rpci->pipe = pipe;
fsnotify_create(dir, dentry);
@@ -616,7 +616,7 @@ int rpc_rmdir(struct dentry *dentry)
int error;
parent = dget_parent(dentry);
- dir = parent->d_inode;
+ dir = d_inode(parent);
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
error = __rpc_rmdir(dir, dentry);
mutex_unlock(&dir->i_mutex);
@@ -638,7 +638,7 @@ static int __rpc_unlink(struct inode *dir, struct dentry *dentry)
static int __rpc_rmpipe(struct inode *dir, struct dentry *dentry)
{
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
rpc_close_pipes(inode);
return __rpc_unlink(dir, dentry);
@@ -654,7 +654,7 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
if (!dentry)
return ERR_PTR(-ENOMEM);
}
- if (dentry->d_inode == NULL)
+ if (d_really_is_negative(dentry))
return dentry;
dput(dentry);
return ERR_PTR(-EEXIST);
@@ -667,7 +667,7 @@ static void __rpc_depopulate(struct dentry *parent,
const struct rpc_filelist *files,
int start, int eof)
{
- struct inode *dir = parent->d_inode;
+ struct inode *dir = d_inode(parent);
struct dentry *dentry;
struct qstr name;
int i;
@@ -679,9 +679,9 @@ static void __rpc_depopulate(struct dentry *parent,
if (dentry == NULL)
continue;
- if (dentry->d_inode == NULL)
+ if (d_really_is_negative(dentry))
goto next;
- switch (dentry->d_inode->i_mode & S_IFMT) {
+ switch (d_inode(dentry)->i_mode & S_IFMT) {
default:
BUG();
case S_IFREG:
@@ -699,7 +699,7 @@ static void rpc_depopulate(struct dentry *parent,
const struct rpc_filelist *files,
int start, int eof)
{
- struct inode *dir = parent->d_inode;
+ struct inode *dir = d_inode(parent);
mutex_lock_nested(&dir->i_mutex, I_MUTEX_CHILD);
__rpc_depopulate(parent, files, start, eof);
@@ -711,7 +711,7 @@ static int rpc_populate(struct dentry *parent,
int start, int eof,
void *private)
{
- struct inode *dir = parent->d_inode;
+ struct inode *dir = d_inode(parent);
struct dentry *dentry;
int i, err;
@@ -754,7 +754,7 @@ static struct dentry *rpc_mkdir_populate(struct dentry *parent,
int (*populate)(struct dentry *, void *), void *args_populate)
{
struct dentry *dentry;
- struct inode *dir = parent->d_inode;
+ struct inode *dir = d_inode(parent);
int error;
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
@@ -787,7 +787,7 @@ static int rpc_rmdir_depopulate(struct dentry *dentry,
int error;
parent = dget_parent(dentry);
- dir = parent->d_inode;
+ dir = d_inode(parent);
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
if (depopulate != NULL)
depopulate(dentry);
@@ -819,7 +819,7 @@ struct dentry *rpc_mkpipe_dentry(struct dentry *parent, const char *name,
void *private, struct rpc_pipe *pipe)
{
struct dentry *dentry;
- struct inode *dir = parent->d_inode;
+ struct inode *dir = d_inode(parent);
umode_t umode = S_IFIFO | S_IRUSR | S_IWUSR;
int err;
@@ -864,7 +864,7 @@ rpc_unlink(struct dentry *dentry)
int error = 0;
parent = dget_parent(dentry);
- dir = parent->d_inode;
+ dir = d_inode(parent);
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
error = __rpc_rmpipe(dir, dentry);
mutex_unlock(&dir->i_mutex);
@@ -1375,7 +1375,7 @@ rpc_gssd_dummy_depopulate(struct dentry *pipe_dentry)
struct dentry *clnt_dir = pipe_dentry->d_parent;
struct dentry *gssd_dir = clnt_dir->d_parent;
- __rpc_rmpipe(clnt_dir->d_inode, pipe_dentry);
+ __rpc_rmpipe(d_inode(clnt_dir), pipe_dentry);
__rpc_depopulate(clnt_dir, gssd_dummy_info_file, 0, 1);
__rpc_depopulate(gssd_dir, gssd_dummy_clnt_dir, 0, 1);
dput(pipe_dentry);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 433f287ee548..5266ea7b922b 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -305,7 +305,7 @@ static struct sock *unix_find_socket_byinode(struct inode *i)
&unix_socket_table[i->i_ino & (UNIX_HASH_SIZE - 1)]) {
struct dentry *dentry = unix_sk(s)->path.dentry;
- if (dentry && dentry->d_inode == i) {
+ if (dentry && d_backing_inode(dentry) == i) {
sock_hold(s);
goto found;
}
@@ -778,7 +778,7 @@ static struct sock *unix_find_other(struct net *net,
err = kern_path(sunname->sun_path, LOOKUP_FOLLOW, &path);
if (err)
goto fail;
- inode = path.dentry->d_inode;
+ inode = d_backing_inode(path.dentry);
err = inode_permission(inode, MAY_WRITE);
if (err)
goto put_fail;
@@ -839,7 +839,7 @@ static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
*/
err = security_path_mknod(&path, dentry, mode, 0);
if (!err) {
- err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
+ err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0);
if (!err) {
res->mnt = mntget(path.mnt);
res->dentry = dget(dentry);
@@ -905,7 +905,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out_up;
}
addr->hash = UNIX_HASH_SIZE;
- hash = path.dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1);
+ hash = d_backing_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE-1);
spin_lock(&unix_table_lock);
u->path = path;
list = &unix_socket_table[hash];
diff --git a/net/unix/diag.c b/net/unix/diag.c
index ef542fbca9fe..c512f64d5287 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -25,7 +25,7 @@ static int sk_diag_dump_vfs(struct sock *sk, struct sk_buff *nlskb)
if (dentry) {
struct unix_diag_vfs uv = {
- .udiag_vfs_ino = dentry->d_inode->i_ino,
+ .udiag_vfs_ino = d_backing_inode(dentry)->i_ino,
.udiag_vfs_dev = dentry->d_sb->s_dev,
};