Commit cfd22e6b authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring: add opcode name to io_op_defs 



This kills the last per-op switch.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 92ac8bea

io_uring/io_uring.c

+52 −98
Original line number Diff line number Diff line
@@ -315,6 +315,8 @@ struct io_op_def { 
	/* size of async data needed, if any */

	unsigned short		async_size;



	const char		*name;



	int (*prep)(struct io_kiocb *, const struct io_uring_sqe *);

	int (*issue)(struct io_kiocb *, unsigned int);

	int (*prep_async)(struct io_kiocb *);
@@ -349,104 +351,8 @@ static struct kmem_cache *req_cachep; 


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_URING_CMD:

		return "URING_CMD";

	case IORING_OP_LAST:

		return "INVALID";

	}

	if (opcode < IORING_OP_LAST)

		return io_op_defs[opcode].name;

	return "INVALID";

}
@@ -8307,6 +8213,7 @@ static const struct io_op_def io_op_defs[] = { 
	[IORING_OP_NOP] = {

		.audit_skip		= 1,

		.iopoll			= 1,

		.name			= "NOP",

		.prep			= io_nop_prep,

		.issue			= io_nop,

	},
@@ -8320,6 +8227,7 @@ static const struct io_op_def io_op_defs[] = { 
		.ioprio			= 1,

		.iopoll			= 1,

		.async_size		= sizeof(struct io_async_rw),

		.name			= "READV",

		.prep			= io_prep_rw,

		.issue			= io_read,

		.prep_async		= io_readv_prep_async,
@@ -8335,6 +8243,7 @@ static const struct io_op_def io_op_defs[] = { 
		.ioprio			= 1,

		.iopoll			= 1,

		.async_size		= sizeof(struct io_async_rw),

		.name			= "WRITEV",

		.prep			= io_prep_rw,

		.issue			= io_write,

		.prep_async		= io_writev_prep_async,
@@ -8343,6 +8252,7 @@ static const struct io_op_def io_op_defs[] = { 
	[IORING_OP_FSYNC] = {

		.needs_file		= 1,

		.audit_skip		= 1,

		.name			= "FSYNC",

		.prep			= io_fsync_prep,

		.issue			= io_fsync,

	},
@@ -8355,6 +8265,7 @@ static const struct io_op_def io_op_defs[] = { 
		.ioprio			= 1,

		.iopoll			= 1,

		.async_size		= sizeof(struct io_async_rw),

		.name			= "READ_FIXED",

		.prep			= io_prep_rw,

		.issue			= io_read,

	},
@@ -8368,6 +8279,7 @@ static const struct io_op_def io_op_defs[] = { 
		.ioprio			= 1,

		.iopoll			= 1,

		.async_size		= sizeof(struct io_async_rw),

		.name			= "WRITE_FIXED",

		.prep			= io_prep_rw,

		.issue			= io_write,

	},
@@ -8375,17 +8287,20 @@ static const struct io_op_def io_op_defs[] = { 
		.needs_file		= 1,

		.unbound_nonreg_file	= 1,

		.audit_skip		= 1,

		.name			= "POLL_ADD",

		.prep			= io_poll_add_prep,

		.issue			= io_poll_add,

	},

	[IORING_OP_POLL_REMOVE] = {

		.audit_skip		= 1,

		.name			= "POLL_REMOVE",

		.prep			= io_poll_remove_prep,

		.issue			= io_poll_remove,

	},

	[IORING_OP_SYNC_FILE_RANGE] = {

		.needs_file		= 1,

		.audit_skip		= 1,

		.name			= "SYNC_FILE_RANGE",

		.prep			= io_sfr_prep,

		.issue			= io_sync_file_range,

	},
@@ -8394,6 +8309,7 @@ static const struct io_op_def io_op_defs[] = { 
		.unbound_nonreg_file	= 1,

		.pollout		= 1,

		.ioprio			= 1,

		.name			= "SENDMSG",

#if defined(CONFIG_NET)

		.async_size		= sizeof(struct io_async_msghdr),

		.prep			= io_sendmsg_prep,
@@ -8410,6 +8326,7 @@ static const struct io_op_def io_op_defs[] = { 
		.pollin			= 1,

		.buffer_select		= 1,

		.ioprio			= 1,

		.name			= "RECVMSG",

#if defined(CONFIG_NET)

		.async_size		= sizeof(struct io_async_msghdr),

		.prep			= io_recvmsg_prep,
@@ -8423,12 +8340,14 @@ static const struct io_op_def io_op_defs[] = { 
	[IORING_OP_TIMEOUT] = {

		.audit_skip		= 1,

		.async_size		= sizeof(struct io_timeout_data),

		.name			= "TIMEOUT",

		.prep			= io_timeout_prep,

		.issue			= io_timeout,

	},

	[IORING_OP_TIMEOUT_REMOVE] = {

		/* used by timeout updates' prep() */

		.audit_skip		= 1,

		.name			= "TIMEOUT_REMOVE",

		.prep			= io_timeout_remove_prep,

		.issue			= io_timeout_remove,

	},
@@ -8438,6 +8357,7 @@ static const struct io_op_def io_op_defs[] = { 
		.pollin			= 1,

		.poll_exclusive		= 1,

		.ioprio			= 1,	/* used for flags */

		.name			= "ACCEPT",

#if defined(CONFIG_NET)

		.prep			= io_accept_prep,

		.issue			= io_accept,
@@ -8447,12 +8367,14 @@ static const struct io_op_def io_op_defs[] = { 
	},

	[IORING_OP_ASYNC_CANCEL] = {

		.audit_skip		= 1,

		.name			= "ASYNC_CANCEL",

		.prep			= io_async_cancel_prep,

		.issue			= io_async_cancel,

	},

	[IORING_OP_LINK_TIMEOUT] = {

		.audit_skip		= 1,

		.async_size		= sizeof(struct io_timeout_data),

		.name			= "LINK_TIMEOUT",

		.prep			= io_link_timeout_prep,

		.issue			= io_no_issue,

	},
@@ -8460,6 +8382,7 @@ static const struct io_op_def io_op_defs[] = { 
		.needs_file		= 1,

		.unbound_nonreg_file	= 1,

		.pollout		= 1,

		.name			= "CONNECT",

#if defined(CONFIG_NET)

		.async_size		= sizeof(struct io_async_connect),

		.prep			= io_connect_prep,
@@ -8471,26 +8394,31 @@ static const struct io_op_def io_op_defs[] = { 
	},

	[IORING_OP_FALLOCATE] = {

		.needs_file		= 1,

		.name			= "FALLOCATE",

		.prep			= io_fallocate_prep,

		.issue			= io_fallocate,

	},

	[IORING_OP_OPENAT] = {

		.name			= "OPENAT",

		.prep			= io_openat_prep,

		.issue			= io_openat,

		.cleanup		= io_open_cleanup,

	},

	[IORING_OP_CLOSE] = {

		.name			= "CLOSE",

		.prep			= io_close_prep,

		.issue			= io_close,

	},

	[IORING_OP_FILES_UPDATE] = {

		.audit_skip		= 1,

		.iopoll			= 1,

		.name			= "FILES_UPDATE",

		.prep			= io_files_update_prep,

		.issue			= io_files_update,

	},

	[IORING_OP_STATX] = {

		.audit_skip		= 1,

		.name			= "STATX",

		.prep			= io_statx_prep,

		.issue			= io_statx,

		.cleanup		= io_statx_cleanup,
@@ -8505,6 +8433,7 @@ static const struct io_op_def io_op_defs[] = { 
		.ioprio			= 1,

		.iopoll			= 1,

		.async_size		= sizeof(struct io_async_rw),

		.name			= "READ",

		.prep			= io_prep_rw,

		.issue			= io_read,

	},
@@ -8518,16 +8447,19 @@ static const struct io_op_def io_op_defs[] = { 
		.ioprio			= 1,

		.iopoll			= 1,

		.async_size		= sizeof(struct io_async_rw),

		.name			= "WRITE",

		.prep			= io_prep_rw,

		.issue			= io_write,

	},

	[IORING_OP_FADVISE] = {

		.needs_file		= 1,

		.audit_skip		= 1,

		.name			= "FADVISE",

		.prep			= io_fadvise_prep,

		.issue			= io_fadvise,

	},

	[IORING_OP_MADVISE] = {

		.name			= "MADVISE",

		.prep			= io_madvise_prep,

		.issue			= io_madvise,

	},
@@ -8537,6 +8469,7 @@ static const struct io_op_def io_op_defs[] = { 
		.pollout		= 1,

		.audit_skip		= 1,

		.ioprio			= 1,

		.name			= "SEND",

#if defined(CONFIG_NET)

		.prep			= io_sendmsg_prep,

		.issue			= io_send,
@@ -8551,6 +8484,7 @@ static const struct io_op_def io_op_defs[] = { 
		.buffer_select		= 1,

		.audit_skip		= 1,

		.ioprio			= 1,

		.name			= "RECV",

#if defined(CONFIG_NET)

		.prep			= io_recvmsg_prep,

		.issue			= io_recv,
@@ -8559,6 +8493,7 @@ static const struct io_op_def io_op_defs[] = { 
#endif

	},

	[IORING_OP_OPENAT2] = {

		.name			= "OPENAT2",

		.prep			= io_openat2_prep,

		.issue			= io_openat2,

		.cleanup		= io_open_cleanup,
@@ -8566,6 +8501,7 @@ static const struct io_op_def io_op_defs[] = { 
	[IORING_OP_EPOLL_CTL] = {

		.unbound_nonreg_file	= 1,

		.audit_skip		= 1,

		.name			= "EPOLL",

#if defined(CONFIG_EPOLL)

		.prep			= io_epoll_ctl_prep,

		.issue			= io_epoll_ctl,
@@ -8578,18 +8514,21 @@ static const struct io_op_def io_op_defs[] = { 
		.hash_reg_file		= 1,

		.unbound_nonreg_file	= 1,

		.audit_skip		= 1,

		.name			= "SPLICE",

		.prep			= io_splice_prep,

		.issue			= io_splice,

	},

	[IORING_OP_PROVIDE_BUFFERS] = {

		.audit_skip		= 1,

		.iopoll			= 1,

		.name			= "PROVIDE_BUFFERS",

		.prep			= io_provide_buffers_prep,

		.issue			= io_provide_buffers,

	},

	[IORING_OP_REMOVE_BUFFERS] = {

		.audit_skip		= 1,

		.iopoll			= 1,

		.name			= "REMOVE_BUFFERS",

		.prep			= io_remove_buffers_prep,

		.issue			= io_remove_buffers,

	},
@@ -8598,11 +8537,13 @@ static const struct io_op_def io_op_defs[] = { 
		.hash_reg_file		= 1,

		.unbound_nonreg_file	= 1,

		.audit_skip		= 1,

		.name			= "TEE",

		.prep			= io_tee_prep,

		.issue			= io_tee,

	},

	[IORING_OP_SHUTDOWN] = {

		.needs_file		= 1,

		.name			= "SHUTDOWN",

#if defined(CONFIG_NET)

		.prep			= io_shutdown_prep,

		.issue			= io_shutdown,
@@ -8611,26 +8552,31 @@ static const struct io_op_def io_op_defs[] = { 
#endif

	},

	[IORING_OP_RENAMEAT] = {

		.name			= "RENAMEAT",

		.prep			= io_renameat_prep,

		.issue			= io_renameat,

		.cleanup		= io_renameat_cleanup,

	},

	[IORING_OP_UNLINKAT] = {

		.name			= "UNLINKAT",

		.prep			= io_unlinkat_prep,

		.issue			= io_unlinkat,

		.cleanup		= io_unlinkat_cleanup,

	},

	[IORING_OP_MKDIRAT] = {

		.name			= "MKDIRAT",

		.prep			= io_mkdirat_prep,

		.issue			= io_mkdirat,

		.cleanup		= io_mkdirat_cleanup,

	},

	[IORING_OP_SYMLINKAT] = {

		.name			= "SYMLINKAT",

		.prep			= io_symlinkat_prep,

		.issue			= io_symlinkat,

		.cleanup		= io_link_cleanup,

	},

	[IORING_OP_LINKAT] = {

		.name			= "LINKAT",

		.prep			= io_linkat_prep,

		.issue			= io_linkat,

		.cleanup		= io_link_cleanup,
@@ -8638,33 +8584,39 @@ static const struct io_op_def io_op_defs[] = { 
	[IORING_OP_MSG_RING] = {

		.needs_file		= 1,

		.iopoll			= 1,

		.name			= "MSG_RING",

		.prep			= io_msg_ring_prep,

		.issue			= io_msg_ring,

	},

	[IORING_OP_FSETXATTR] = {

		.needs_file = 1,

		.name			= "FSETXATTR",

		.prep			= io_fsetxattr_prep,

		.issue			= io_fsetxattr,

		.cleanup		= io_xattr_cleanup,

	},

	[IORING_OP_SETXATTR] = {

		.name			= "SETXATTR",

		.prep			= io_setxattr_prep,

		.issue			= io_setxattr,

		.cleanup		= io_xattr_cleanup,

	},

	[IORING_OP_FGETXATTR] = {

		.needs_file = 1,

		.name			= "FGETXATTR",

		.prep			= io_fgetxattr_prep,

		.issue			= io_fgetxattr,

		.cleanup		= io_xattr_cleanup,

	},

	[IORING_OP_GETXATTR] = {

		.name			= "GETXATTR",

		.prep			= io_getxattr_prep,

		.issue			= io_getxattr,

		.cleanup		= io_xattr_cleanup,

	},

	[IORING_OP_SOCKET] = {

		.audit_skip		= 1,

		.name			= "SOCKET",

#if defined(CONFIG_NET)

		.prep			= io_socket_prep,

		.issue			= io_socket,
@@ -8675,6 +8627,7 @@ static const struct io_op_def io_op_defs[] = { 
	[IORING_OP_URING_CMD] = {

		.needs_file		= 1,

		.plug			= 1,

		.name			= "URING_CMD",

		.async_size		= uring_cmd_pdu_size(1),

		.prep			= io_uring_cmd_prep,

		.issue			= io_uring_cmd,
@@ -8752,6 +8705,7 @@ static int __init io_uring_init(void) 
		BUG_ON(!io_op_defs[i].prep);

		if (io_op_defs[i].prep != io_eopnotsupp_prep)

			BUG_ON(!io_op_defs[i].issue);

		WARN_ON_ONCE(!io_op_defs[i].name);

	}



	req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC |