@@ -10,6 +10,7 @@ struct inode;
struct iomap;
struct super_block;
struct vfsmount;
+struct path;
/* limit the handle size to NFSv4 handle size now */
#define MAX_HANDLE_SZ 128
@@ -225,6 +226,9 @@ struct fid {
* is also a directory. In the event that it cannot be found, or storage
* space cannot be allocated, a %ERR_PTR should be returned.
*
+ * open:
+ * Allow filesystems to specify a custom open function.
+ *
* commit_metadata:
* @commit_metadata should commit metadata changes to stable storage.
*
@@ -251,6 +255,7 @@ struct export_operations {
bool write, u32 *device_generation);
int (*commit_blocks)(struct inode *inode, struct iomap *iomaps,
int nr_iomaps, struct iattr *iattr);
+ struct file * (*open)(struct path *path, unsigned int oflags);
#define EXPORT_OP_NOWCC (0x1) /* don't collect v3 wcc data */
#define EXPORT_OP_NOSUBTREECHK (0x2) /* no subtree checking */
#define EXPORT_OP_CLOSE_BEFORE_UNLINK (0x4) /* close files before unlink */
This allows filesystems such as pidfs to provide their custom open. Signed-off-by: Christian Brauner <brauner@kernel.org> --- include/linux/exportfs.h | 5 +++++ 1 file changed, 5 insertions(+)