Use a bitfield for tracking initialized, blocked, aborted, and io_uring
state of the fuse connection. Track connected state using a bool instead
of an unsigned.
On a 64-bit system, this shaves off 16 bytes from the size of struct
fuse_conn.
No functional changes.
Signed-off-by: Joanne Koong <joannelkoong@xxxxxxxxx>
---
fs/fuse/fuse_i.h | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index b54f4f57789f..6aecada8aadd 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -690,24 +690,24 @@ struct fuse_conn {
* active_background, bg_queue, blocked */
spinlock_t bg_lock;
- /** Flag indicating that INIT reply has been received. Allocating
- * any fuse request will be suspended until the flag is set */
- int initialized;
-
- /** Flag indicating if connection is blocked. This will be
- the case before the INIT reply is received, and if there
- are too many outstading backgrounds requests */
- int blocked;
-
/** waitq for blocked connection */
wait_queue_head_t blocked_waitq;
/** Connection established, cleared on umount, connection
abort and device release */
- unsigned connected;
+ bool connected;
+
+ /** Flag indicating that INIT reply has been received. Allocating
+ * any fuse request will be suspended until the flag is set */
+ int initialized:1;
+
+ /** Flag indicating if connection is blocked. This will be
+ the case before the INIT reply is received, and if there
+ are too many outstanding backgrounds requests */
+ int blocked:1;
/** Connection aborted via sysfs */
- bool aborted;
+ bool aborted:1;
/** Connection failed (version mismatch). Cannot race with
setting other bitfields since it is only set once in INIT
@@ -896,7 +896,7 @@ struct fuse_conn {
unsigned int no_link:1;
/* Use io_uring for communication */
- unsigned int io_uring;
+ unsigned int io_uring:1;
/** Maximum stack depth for passthrough backing files */
int max_stack_depth;
--
2.47.1
