[PATCH 07/39] vfs: export vfs_ioctl() to modules

From: Miklos Szeredi
Date: Tue May 29 2018 - 11:15:19 EST


This is needed by the stacked ioctl implementation in overlayfs.

Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
---
fs/internal.h | 1 -
fs/ioctl.c | 1 +
include/linux/fs.h | 2 ++
3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/internal.h b/fs/internal.h
index b82725ba3054..6821cf475fc6 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -189,7 +189,6 @@ extern const struct dentry_operations ns_dentry_operations;
*/
extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd,
unsigned long arg);
-extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);

/*
* iomap support:
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 4823431d1c9d..41071915f411 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -49,6 +49,7 @@ long vfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
out:
return error;
}
+EXPORT_SYMBOL(vfs_ioctl);

static int ioctl_fibmap(struct file *filp, int __user *p)
{
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 1ea3f153b7f8..598c60092c11 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1623,6 +1623,8 @@ int vfs_mkobj(struct dentry *, umode_t,
int (*f)(struct dentry *, umode_t, void *),
void *);

+extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+
/*
* VFS file helper functions.
*/
--
2.14.3