Commit 33337d03 authored by Dylan Yudaken's avatar Dylan Yudaken Committed by Jens Axboe
Browse files

io_uring: add io_uring_get_opcode 



In some debug scenarios it is useful to have the text representation of
the opcode. Add this function in preparation.

Signed-off-by: default avatarDylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220426082907.3600028-3-dylany@fb.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent cc51eaa8

fs/io_uring.c

+101 −0
Original line number Diff line number Diff line
@@ -1285,6 +1285,107 @@ static struct kmem_cache *req_cachep; 


static const struct file_operations io_uring_fops;



const char *io_uring_get_opcode(u8 opcode)

{

	switch ((enum io_uring_op)opcode) {

	case IORING_OP_NOP:

		return "NOP";

	case IORING_OP_READV:

		return "READV";

	case IORING_OP_WRITEV:

		return "WRITEV";

	case IORING_OP_FSYNC:

		return "FSYNC";

	case IORING_OP_READ_FIXED:

		return "READ_FIXED";

	case IORING_OP_WRITE_FIXED:

		return "WRITE_FIXED";

	case IORING_OP_POLL_ADD:

		return "POLL_ADD";

	case IORING_OP_POLL_REMOVE:

		return "POLL_REMOVE";

	case IORING_OP_SYNC_FILE_RANGE:

		return "SYNC_FILE_RANGE";

	case IORING_OP_SENDMSG:

		return "SENDMSG";

	case IORING_OP_RECVMSG:

		return "RECVMSG";

	case IORING_OP_TIMEOUT:

		return "TIMEOUT";

	case IORING_OP_TIMEOUT_REMOVE:

		return "TIMEOUT_REMOVE";

	case IORING_OP_ACCEPT:

		return "ACCEPT";

	case IORING_OP_ASYNC_CANCEL:

		return "ASYNC_CANCEL";

	case IORING_OP_LINK_TIMEOUT:

		return "LINK_TIMEOUT";

	case IORING_OP_CONNECT:

		return "CONNECT";

	case IORING_OP_FALLOCATE:

		return "FALLOCATE";

	case IORING_OP_OPENAT:

		return "OPENAT";

	case IORING_OP_CLOSE:

		return "CLOSE";

	case IORING_OP_FILES_UPDATE:

		return "FILES_UPDATE";

	case IORING_OP_STATX:

		return "STATX";

	case IORING_OP_READ:

		return "READ";

	case IORING_OP_WRITE:

		return "WRITE";

	case IORING_OP_FADVISE:

		return "FADVISE";

	case IORING_OP_MADVISE:

		return "MADVISE";

	case IORING_OP_SEND:

		return "SEND";

	case IORING_OP_RECV:

		return "RECV";

	case IORING_OP_OPENAT2:

		return "OPENAT2";

	case IORING_OP_EPOLL_CTL:

		return "EPOLL_CTL";

	case IORING_OP_SPLICE:

		return "SPLICE";

	case IORING_OP_PROVIDE_BUFFERS:

		return "PROVIDE_BUFFERS";

	case IORING_OP_REMOVE_BUFFERS:

		return "REMOVE_BUFFERS";

	case IORING_OP_TEE:

		return "TEE";

	case IORING_OP_SHUTDOWN:

		return "SHUTDOWN";

	case IORING_OP_RENAMEAT:

		return "RENAMEAT";

	case IORING_OP_UNLINKAT:

		return "UNLINKAT";

	case IORING_OP_MKDIRAT:

		return "MKDIRAT";

	case IORING_OP_SYMLINKAT:

		return "SYMLINKAT";

	case IORING_OP_LINKAT:

		return "LINKAT";

	case IORING_OP_MSG_RING:

		return "MSG_RING";

	case IORING_OP_FSETXATTR:

		return "FSETXATTR";

	case IORING_OP_SETXATTR:

		return "SETXATTR";

	case IORING_OP_FGETXATTR:

		return "FGETXATTR";

	case IORING_OP_GETXATTR:

		return "GETXATTR";

	case IORING_OP_SOCKET:

		return "SOCKET";

	case IORING_OP_LAST:

		return "INVALID";

	}

	return "INVALID";

}



struct sock *io_uring_get_socket(struct file *file)

{

#if defined(CONFIG_UNIX)

include/linux/io_uring.h

+5 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ struct sock *io_uring_get_socket(struct file *file); 
void __io_uring_cancel(bool cancel_all);

void __io_uring_free(struct task_struct *tsk);

void io_uring_unreg_ringfd(void);

const char *io_uring_get_opcode(u8 opcode);



static inline void io_uring_files_cancel(void)

{
@@ -42,6 +43,10 @@ static inline void io_uring_files_cancel(void) 
static inline void io_uring_free(struct task_struct *tsk)

{

}

static inline const char *io_uring_get_opcode(u8 opcode)

{

	return "";

}

#endif



#endif