From a4ad4f748ea96202451f88b6385d7283d0f2e513 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 25 May 2022 10:40:19 -0600 Subject: io_uring: move fdinfo helpers to its own file This also means moving a bit more of the fixed file handling to the filetable side, which makes sense separately too. Signed-off-by: Jens Axboe --- io_uring/filetable.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'io_uring/filetable.h') diff --git a/io_uring/filetable.h b/io_uring/filetable.h index fe1ec581958d..6e1675f406b7 100644 --- a/io_uring/filetable.h +++ b/io_uring/filetable.h @@ -36,6 +36,8 @@ bool io_alloc_file_tables(struct io_file_table *table, unsigned nr_files); void io_free_file_tables(struct io_file_table *table); int io_file_bitmap_get(struct io_ring_ctx *ctx); +unsigned int io_file_get_flags(struct file *file); + static inline void io_file_bitmap_clear(struct io_file_table *table, int bit) { __clear_bit(bit, table->bitmap); @@ -55,4 +57,21 @@ io_fixed_file_slot(struct io_file_table *table, unsigned i) return &table->files[i]; } +static inline struct file *io_file_from_index(struct io_file_table *table, + int index) +{ + struct io_fixed_file *slot = io_fixed_file_slot(table, index); + + return (struct file *) (slot->file_ptr & FFS_MASK); +} + +static inline void io_fixed_file_set(struct io_fixed_file *file_slot, + struct file *file) +{ + unsigned long file_ptr = (unsigned long) file; + + file_ptr |= io_file_get_flags(file); + file_slot->file_ptr = file_ptr; +} + #endif -- cgit v1.2.3