3  * FUSE passthrough to backing file.
10 #include <linux/file.h>
11 #include <linux/backing-file.h>
14 static void fuse_file_accessed(struct file *file)  in fuse_file_accessed()  argument
16 	struct inode *inode = file_inode(file);  in fuse_file_accessed()
30 	struct file *file = iocb->ki_filp;  in fuse_passthrough_read_iter()  local
31 	struct fuse_file *ff = file->private_data;  in fuse_passthrough_read_iter()
32 	struct file *backing_file = fuse_file_passthrough(ff);  in fuse_passthrough_read_iter()
56 	struct file *file = iocb->ki_filp;  in fuse_passthrough_write_iter()  local
57 	struct inode *inode = file_inode(file);  in fuse_passthrough_write_iter()
58 	struct fuse_file *ff = file->private_data;  in fuse_passthrough_write_iter()
59 	struct file *backing_file = fuse_file_passthrough(ff);  in fuse_passthrough_write_iter()
81 ssize_t fuse_passthrough_splice_read(struct file *in, loff_t *ppos,  in fuse_passthrough_splice_read()
86 	struct file *backing_file = fuse_file_passthrough(ff);  in fuse_passthrough_splice_read()
106 				      struct file *out, loff_t *ppos,  in fuse_passthrough_splice_write()
110 	struct file *backing_file = fuse_file_passthrough(ff);  in fuse_passthrough_splice_write()
132 ssize_t fuse_passthrough_mmap(struct file *file, struct vm_area_struct *vma)  in fuse_passthrough_mmap()  argument
134 	struct fuse_file *ff = file->private_data;  in fuse_passthrough_mmap()
135 	struct file *backing_file = fuse_file_passthrough(ff);  in fuse_passthrough_mmap()
148  * Setup passthrough to a backing file.
152 struct fuse_backing *fuse_passthrough_open(struct file *file, int backing_id)  in fuse_passthrough_open()  argument
154 	struct fuse_file *ff = file->private_data;  in fuse_passthrough_open()
157 	struct file *backing_file;  in fuse_passthrough_open()
169 	/* Allocate backing file per fuse file to store fuse path */  in fuse_passthrough_open()
170 	backing_file = backing_file_open(&file->f_path, file->f_flags,  in fuse_passthrough_open()
171 					 &fb->file->f_path, fb->cred);  in fuse_passthrough_open()