Fix deadlock between snatchable_lock and trackers in Queue::write_texture (gfx-rs#7004)

* Fix deadlock between snatchable_lock and trackers in Queue::write_texture

* Fix another deadlock in write_texture between pending_writes and snatchable_lock.
# Conflicts:
#	CHANGELOG.md

Author: metamuffin

CHANGELOG.md

@@ -40,6 +40,11 @@ Bottom level categories:
 
 ## Unreleased
 
+### v24.0.2  (2025-02-??)
+
+#### Bug Fixes
+- Fix a possible deadlock within `Queue::write_texture`. By @metamuffin in [#7004](https://github.com/gfx-rs/wgpu/pull/7004)
+
 ### v24.0.1 (2025-01-22)
 
 #### Bug Fixes

wgpu-core/src/device/queue.rs

@@ -697,6 +697,8 @@ impl Queue {
                 .map_err(TransferError::from)?;
         }
 
+        let snatch_guard = self.device.snatchable_lock.read();
+
         let mut pending_writes = self.pending_writes.lock();
         let encoder = pending_writes.activate();
 
@@ -732,7 +734,7 @@ impl Queue {
                         &mut trackers.textures,
                         &self.device.alignments,
                         self.device.zero_buffer.as_ref(),
-                        &self.device.snatchable_lock.read(),
+                        &snatch_guard,
                     )
                     .map_err(QueueWriteError::from)?;
                 }
@@ -742,8 +744,6 @@ impl Queue {
             }
         }
 
-        let snatch_guard = self.device.snatchable_lock.read();
-
         let dst_raw = dst.try_raw(&snatch_guard)?;
 
         let (block_width, block_height) = dst.desc.format.block_dimensions();