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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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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
This commit is contained in:
Linus Torvalds 2015-04-26 15:48:49 -07:00
commit 9ec3a646fe
343 changed files with 1877 additions and 1867 deletions
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22
ipc/mqueue.c
View file

@ -466,7 +466,7 @@ out_unlock:
static int mqueue_unlink(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_inode(dentry);
dir->i_ctime = dir->i_mtime = dir->i_atime = CURRENT_TIME;
dir->i_size -= DIRENT_SIZE;
@ -770,7 +770,7 @@ static struct file *do_open(struct path *path, int oflag)
if ((oflag & O_ACCMODE) == (O_RDWR | O_WRONLY))
return ERR_PTR(-EINVAL);
acc = oflag2acc[oflag & O_ACCMODE];
if (inode_permission(path->dentry->d_inode, acc))
if (inode_permission(d_inode(path->dentry), acc))
return ERR_PTR(-EACCES);
return dentry_open(path, oflag, current_cred());
}
@ -802,7 +802,7 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode,
ro = mnt_want_write(mnt); /* we'll drop it in any case */
error = 0;
mutex_lock(&root->d_inode->i_mutex);
mutex_lock(&d_inode(root)->i_mutex);
path.dentry = lookup_one_len(name->name, root, strlen(name->name));
if (IS_ERR(path.dentry)) {
error = PTR_ERR(path.dentry);
@ -811,7 +811,7 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode,
path.mnt = mntget(mnt);
if (oflag & O_CREAT) {
if (path.dentry->d_inode) { /* entry already exists */
if (d_really_is_positive(path.dentry)) { /* entry already exists */
audit_inode(name, path.dentry, 0);
if (oflag & O_EXCL) {
error = -EEXIST;
@ -824,12 +824,12 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode,
goto out;
}
audit_inode_parent_hidden(name, root);
filp = do_create(ipc_ns, root->d_inode,
filp = do_create(ipc_ns, d_inode(root),
&path, oflag, mode,
u_attr ? &attr : NULL);
}
} else {
if (!path.dentry->d_inode) {
if (d_really_is_negative(path.dentry)) {
error = -ENOENT;
goto out;
}
@ -848,7 +848,7 @@ out_putfd:
put_unused_fd(fd);
fd = error;
}
mutex_unlock(&root->d_inode->i_mutex);
mutex_unlock(&d_inode(root)->i_mutex);
if (!ro)
mnt_drop_write(mnt);
out_putname:
@ -873,7 +873,7 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)
err = mnt_want_write(mnt);
if (err)
goto out_name;
mutex_lock_nested(&mnt->mnt_root->d_inode->i_mutex, I_MUTEX_PARENT);
mutex_lock_nested(&d_inode(mnt->mnt_root)->i_mutex, I_MUTEX_PARENT);
dentry = lookup_one_len(name->name, mnt->mnt_root,
strlen(name->name));
if (IS_ERR(dentry)) {
@ -881,17 +881,17 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)
goto out_unlock;
}
inode = dentry->d_inode;
inode = d_inode(dentry);
if (!inode) {
err = -ENOENT;
} else {
ihold(inode);
err = vfs_unlink(dentry->d_parent->d_inode, dentry, NULL);
err = vfs_unlink(d_inode(dentry->d_parent), dentry, NULL);
}
dput(dentry);
out_unlock:
mutex_unlock(&mnt->mnt_root->d_inode->i_mutex);
mutex_unlock(&d_inode(mnt->mnt_root)->i_mutex);
if (inode)
iput(inode);
mnt_drop_write(mnt);

2
ipc/shm.c
View file

@ -1132,7 +1132,7 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
path = shp->shm_file->f_path;
path_get(&path);
shp->shm_nattch++;
size = i_size_read(path.dentry->d_inode);
size = i_size_read(d_inode(path.dentry));
ipc_unlock_object(&shp->shm_perm);
rcu_read_unlock();