diff --git a/transport-native-io_uring/src/main/java/io/netty/channel/uring/AbstractIOUringChannel.java b/transport-native-io_uring/src/main/java/io/netty/channel/uring/AbstractIOUringChannel.java
index 1a88c7a8c2..334455e162 100644
--- a/transport-native-io_uring/src/main/java/io/netty/channel/uring/AbstractIOUringChannel.java
+++ b/transport-native-io_uring/src/main/java/io/netty/channel/uring/AbstractIOUringChannel.java
@@ -56,14 +56,18 @@ import static io.netty.channel.unix.UnixChannelUtil.*;
 import static io.netty.util.internal.ObjectUtil.*;
 
 abstract class AbstractIOUringChannel extends AbstractChannel implements UnixChannel {
-    static final InternalLogger logger = InternalLoggerFactory.getInstance(AbstractIOUringChannel.class);
+    private static final InternalLogger logger = InternalLoggerFactory.getInstance(AbstractIOUringChannel.class);
     private static final ChannelMetadata METADATA = new ChannelMetadata(false);
     final LinuxSocket socket;
     protected volatile boolean active;
-    private boolean pollInPending = false;
-    private boolean pollOutPending = false;
-    private boolean writeScheduled = false;
-    private boolean readScheduled = false;
+
+    // Different masks for outstanding I/O operations.
+    private static final int POLL_IN_SCHEDULED = 1;
+    private static final int POLL_OUT_SCHEDULED = 1 << 2;
+    private static final int WRITE_SCHEDULED = 1 << 3;
+    private static final int READ_SCHEDULED = 1 << 4;
+    private int ioState;
+
     boolean inputClosedSeenErrorOnRead;
 
     static final int SOCK_ADDR_LEN = 128;
@@ -211,13 +215,13 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
         active = false;
 
         IOUringSubmissionQueue submissionQueue = submissionQueue();
-        if (pollInPending) {
+        if ((ioState & POLL_IN_SCHEDULED) != 0) {
             submissionQueue.addPollRemove(socket.intValue(), IOUring.POLLMASK_IN);
-            pollInPending = false;
+            ioState &= ~POLL_IN_SCHEDULED;
         }
-        if (pollOutPending) {
+        if ((ioState & POLL_OUT_SCHEDULED) != 0) {
             submissionQueue.addPollRemove(socket.intValue(), IOUring.POLLMASK_OUT);
-            pollOutPending = false;
+            ioState &= ~POLL_OUT_SCHEDULED;
         }
         submissionQueue.addPollRemove(socket.intValue(), IOUring.POLLMASK_RDHUP);
         submissionQueue.submit();
@@ -266,14 +270,14 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
     @Override
     protected void doBeginRead() {
         final AbstractUringUnsafe unsafe = (AbstractUringUnsafe) unsafe();
-        if (!pollInPending) {
+        if ((ioState & POLL_IN_SCHEDULED) == 0) {
             unsafe.schedulePollIn();
         }
     }
 
     @Override
     protected void doWrite(ChannelOutboundBuffer in) {
-        if (writeScheduled) {
+        if ((ioState & WRITE_SCHEDULED) != 0) {
             return;
         }
 
@@ -307,7 +311,7 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
              if (iovecArray.count() > 0) {
                  submissionQueue().addWritev(socket.intValue(), iovecMemoryAddress, iovecArray.count());
                  submissionQueue().submit();
-                 writeScheduled = true;
+                 ioState |= WRITE_SCHEDULED;
              }
          } else {
              // We were not be able to create a new iovec, fallback to single write.
@@ -321,13 +325,13 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
         submissionQueue.addWrite(socket.intValue(), buf.memoryAddress(), buf.readerIndex(),
                 buf.writerIndex());
         submissionQueue.submit();
-        writeScheduled = true;
+        ioState |= WRITE_SCHEDULED;
     }
 
     //POLLOUT
     private void addPollOut() {
-        assert !pollOutPending;
-        pollOutPending = true;
+        assert (ioState & POLL_OUT_SCHEDULED) == 0;
+        ioState |= POLL_OUT_SCHEDULED;
         IOUringSubmissionQueue submissionQueue = submissionQueue();
         submissionQueue.addPollOut(socket.intValue());
         submissionQueue.submit();
@@ -341,7 +345,7 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
             // Flush immediately only when there's no pending flush.
             // If there's a pending flush operation, event loop will call forceFlush() later,
             // and thus there's no need to call it now.
-            if (!pollOutPending) {
+            if ((ioState & POLL_OUT_SCHEDULED) == 0) {
                 super.flush0();
             }
         }
@@ -433,18 +437,18 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
         }
 
         void schedulePollIn() {
-            assert !pollInPending;
+            assert (ioState & POLL_IN_SCHEDULED) == 0;
             if (!isActive() || shouldBreakIoUringInReady(config())) {
                 return;
             }
-            pollInPending = true;
+            ioState |= POLL_IN_SCHEDULED;
             IOUringSubmissionQueue submissionQueue = submissionQueue();
             submissionQueue.addPollIn(socket.intValue());
             submissionQueue.submit();
         }
 
         final void readComplete(int res) {
-            readScheduled = false;
+            ioState &= ~READ_SCHEDULED;
 
             readComplete0(res);
         }
@@ -456,7 +460,7 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
          */
         final void pollRdHup(int res) {
             if (isActive()) {
-                if (!readScheduled) {
+                if ((ioState & READ_SCHEDULED) == 0) {
                     scheduleRead();
                 }
             } else {
@@ -469,15 +473,15 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
          * Called once POLLIN event is ready to be processed
          */
         final void pollIn(int res) {
-            pollInPending = false;
+            ioState &= ~POLL_IN_SCHEDULED;
 
-            if (!readScheduled) {
+            if ((ioState & READ_SCHEDULED) == 0) {
                 scheduleRead();
             }
         }
 
         protected final void scheduleRead() {
-            readScheduled = true;
+            ioState |= READ_SCHEDULED;
             scheduleRead0();
         }
 
@@ -487,7 +491,7 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
          * Called once POLLOUT event is ready to be processed
          */
         final void pollOut(int res) {
-            pollOutPending = false;
+            ioState &= ~POLL_OUT_SCHEDULED;
 
             // pending connect
             if (connectPromise != null) {
@@ -524,7 +528,7 @@ abstract class AbstractIOUringChannel extends AbstractChannel implements UnixCha
         }
 
         final void writeComplete(int res) {
-            writeScheduled = false;
+            ioState &= ~WRITE_SCHEDULED;
 
             ChannelOutboundBuffer channelOutboundBuffer = unsafe().outboundBuffer();
             if (iovecMemoryAddress != -1) {