31 static int generic_remap_checks(struct file *file_in, loff_t pos_in,  in generic_remap_checks()  argument
44 	if (!IS_ALIGNED(pos_in, bs) || !IS_ALIGNED(pos_out, bs))  in generic_remap_checks()
48 	if (pos_in + count < pos_in || pos_out + count < pos_out)  in generic_remap_checks()
56 	    (pos_in >= size_in || pos_in + count > size_in ||  in generic_remap_checks()
61 	if (pos_in >= size_in)  in generic_remap_checks()
63 	count = min(count, size_in - (uint64_t)pos_in);  in generic_remap_checks()
76 	if (pos_in + count == size_in &&  in generic_remap_checks()
78 		bcount = ALIGN(size_in, bs) - pos_in;  in generic_remap_checks()
87 	    pos_out + bcount > pos_in &&  in generic_remap_checks()
88 	    pos_out < pos_in + bcount)  in generic_remap_checks()
271 __generic_remap_file_range_prep(struct file *file_in, loff_t pos_in,  in __generic_remap_file_range_prep()  argument
298 		if ((remap_flags & REMAP_FILE_DEDUP) || pos_in == isize)  in __generic_remap_file_range_prep()
300 		if (pos_in > isize)  in __generic_remap_file_range_prep()
302 		*len = isize - pos_in;  in __generic_remap_file_range_prep()
308 	ret = generic_remap_checks(file_in, pos_in, file_out, pos_out, len,  in __generic_remap_file_range_prep()
319 			pos_in, pos_in + *len - 1);  in __generic_remap_file_range_prep()
335 			ret = vfs_dedupe_file_range_compare(file_in, pos_in,  in __generic_remap_file_range_prep()
338 			ret = dax_dedupe_file_range_compare(inode_in, pos_in,  in __generic_remap_file_range_prep()
361 int generic_remap_file_range_prep(struct file *file_in, loff_t pos_in,  in generic_remap_file_range_prep()  argument
365 	return __generic_remap_file_range_prep(file_in, pos_in, file_out,  in generic_remap_file_range_prep()
370 loff_t do_clone_file_range(struct file *file_in, loff_t pos_in,  in do_clone_file_range()  argument
388 	ret = remap_verify_area(file_in, pos_in, len, false);  in do_clone_file_range()
396 	ret = file_in->f_op->remap_file_range(file_in, pos_in,  in do_clone_file_range()
407 loff_t vfs_clone_file_range(struct file *file_in, loff_t pos_in,  in vfs_clone_file_range()  argument
414 	ret = do_clone_file_range(file_in, pos_in, file_out, pos_out, len,  in vfs_clone_file_range()