Hi Christian, This patch series fixes cancellation support in libaio as follows: - Restore the code for completing cancelled I/O. - Ignore requests to support cancellation for I/O not submitted by libaio. Please consider this patch series for the next merge window. Thanks, Bart. Changes between v3 and v4: - Restored libaio cancellation support. - Changed the approach to marking libaio requests with a flag in struct kiocb instead of adding a new operation in struct file_operations. Changes between v2 and v3: - Removed libaio cancellation support instead of trying to fix it. Changes between v1 and v2: - Fixed a race between request completion and addition to the list of active requests. - Changed the return type of .cancel_kiocb() from int into void. - Simplified the .cancel_kiocb() implementations. - Introduced the ki_opcode member in struct aio_kiocb. - aio_cancel_and_del() now checks .ki_opcode before accessing union members. - Left out the include/include/mm changes. Bart Van Assche (2): fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio fs/aio: Make io_cancel() generate completions again fs/aio.c | 36 +++++++++++++++++++----------------- include/linux/fs.h | 2 ++ 2 files changed, 21 insertions(+), 17 deletions(-)
