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Commit c9c554f2 authored by Al Viro's avatar Al Viro
Browse files

alloc_file(): switch to passing O_... flags instead of FMODE_... mode



... so that it could set both ->f_flags and ->f_mode, without callers
having to set ->f_flags manually.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 6b4e8085
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+1 −2
Original line number Diff line number Diff line
@@ -102,12 +102,11 @@ static struct file *cxl_getfile(const char *name,
	path.mnt = mntget(cxl_vfs_mount);
	d_instantiate(path.dentry, inode);

	file = alloc_file(&path, OPEN_FMODE(flags), fops);
	file = alloc_file(&path, flags & (O_ACCMODE | O_NONBLOCK), fops);
	if (IS_ERR(file)) {
		path_put(&path);
		goto err_fs;
	}
	file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
	file->private_data = priv;

	return file;
+1 −2
Original line number Diff line number Diff line
@@ -129,7 +129,7 @@ static struct file *ocxlflash_getfile(struct device *dev, const char *name,
	path.mnt = mntget(ocxlflash_vfs_mount);
	d_instantiate(path.dentry, inode);

	file = alloc_file(&path, OPEN_FMODE(flags), fops);
	file = alloc_file(&path, flags & (O_ACCMODE | O_NONBLOCK), fops);
	if (IS_ERR(file)) {
		rc = PTR_ERR(file);
		dev_err(dev, "%s: alloc_file failed rc=%d\n",
@@ -138,7 +138,6 @@ static struct file *ocxlflash_getfile(struct device *dev, const char *name,
		goto err3;
	}

	file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
	file->private_data = priv;
out:
	return file;
+2 −6
Original line number Diff line number Diff line
@@ -234,16 +234,12 @@ static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages)
	path.mnt = mntget(aio_mnt);

	d_instantiate(path.dentry, inode);
	file = alloc_file(&path, FMODE_READ | FMODE_WRITE, &aio_ring_fops);
	if (IS_ERR(file)) {
	file = alloc_file(&path, O_RDWR, &aio_ring_fops);
	if (IS_ERR(file))
		path_put(&path);
	return file;
}

	file->f_flags = O_RDWR;
	return file;
}

static struct dentry *aio_mount(struct file_system_type *fs_type,
				int flags, const char *dev_name, void *data)
{
+1 −2
Original line number Diff line number Diff line
@@ -102,12 +102,11 @@ struct file *anon_inode_getfile(const char *name,

	d_instantiate(path.dentry, anon_inode_inode);

	file = alloc_file(&path, OPEN_FMODE(flags), fops);
	file = alloc_file(&path, flags & (O_ACCMODE | O_NONBLOCK), fops);
	if (IS_ERR(file))
		goto err_dput;
	file->f_mapping = anon_inode_inode->i_mapping;

	file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
	file->private_data = priv;

	return file;
+9 −8
Original line number Diff line number Diff line
@@ -153,10 +153,10 @@ struct file *get_empty_filp(void)
 * alloc_file - allocate and initialize a 'struct file'
 *
 * @path: the (dentry, vfsmount) pair for the new file
 * @mode: the mode with which the new file will be opened
 * @flags: O_... flags with which the new file will be opened
 * @fop: the 'struct file_operations' for the new file
 */
struct file *alloc_file(const struct path *path, fmode_t mode,
struct file *alloc_file(const struct path *path, int flags,
		const struct file_operations *fop)
{
	struct file *file;
@@ -165,19 +165,20 @@ struct file *alloc_file(const struct path *path, fmode_t mode,
	if (IS_ERR(file))
		return file;

	file->f_mode = OPEN_FMODE(flags);
	file->f_flags = flags;
	file->f_path = *path;
	file->f_inode = path->dentry->d_inode;
	file->f_mapping = path->dentry->d_inode->i_mapping;
	file->f_wb_err = filemap_sample_wb_err(file->f_mapping);
	if ((mode & FMODE_READ) &&
	if ((file->f_mode & FMODE_READ) &&
	     likely(fop->read || fop->read_iter))
		mode |= FMODE_CAN_READ;
	if ((mode & FMODE_WRITE) &&
		file->f_mode |= FMODE_CAN_READ;
	if ((file->f_mode & FMODE_WRITE) &&
	     likely(fop->write || fop->write_iter))
		mode |= FMODE_CAN_WRITE;
	file->f_mode = mode;
		file->f_mode |= FMODE_CAN_WRITE;
	file->f_op = fop;
	if ((mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)
	if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)
		i_readcount_inc(path->dentry->d_inode);
	return file;
}
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