add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/affs/affs.h
..
..
@@ -43,8 +43,8 @@
43
43
  */
44
44
 struct affs_inode_info {
45
45
 	atomic_t i_opencnt;
46
-	struct semaphore i_link_lock;		/* Protects internal inode access. */
47
-	struct semaphore i_ext_lock;		/* Protects internal inode access. */
46
+	struct mutex i_link_lock;		/* Protects internal inode access. */
47
+	struct mutex i_ext_lock;		/* Protects internal inode access. */
48
48
 #define i_hash_lock i_ext_lock
49
49
 	u32	 i_blkcnt;			/* block count */
50
50
 	u32	 i_extcnt;			/* extended block count */
..
..
@@ -293,30 +293,30 @@
293
293
 static inline void
294
294
 affs_lock_link(struct inode *inode)
295
295
 {
296
-	down(&AFFS_I(inode)->i_link_lock);
296
+	mutex_lock(&AFFS_I(inode)->i_link_lock);
297
297
 }
298
298
 static inline void
299
299
 affs_unlock_link(struct inode *inode)
300
300
 {
301
-	up(&AFFS_I(inode)->i_link_lock);
301
+	mutex_unlock(&AFFS_I(inode)->i_link_lock);
302
302
 }
303
303
 static inline void
304
304
 affs_lock_dir(struct inode *inode)
305
305
 {
306
-	down(&AFFS_I(inode)->i_hash_lock);
306
+	mutex_lock_nested(&AFFS_I(inode)->i_hash_lock, SINGLE_DEPTH_NESTING);
307
307
 }
308
308
 static inline void
309
309
 affs_unlock_dir(struct inode *inode)
310
310
 {
311
-	up(&AFFS_I(inode)->i_hash_lock);
311
+	mutex_unlock(&AFFS_I(inode)->i_hash_lock);
312
312
 }
313
313
 static inline void
314
314
 affs_lock_ext(struct inode *inode)
315
315
 {
316
-	down(&AFFS_I(inode)->i_ext_lock);
316
+	mutex_lock(&AFFS_I(inode)->i_ext_lock);
317
317
 }
318
318
 static inline void
319
319
 affs_unlock_ext(struct inode *inode)
320
320
 {
321
-	up(&AFFS_I(inode)->i_ext_lock);
321
+	mutex_unlock(&AFFS_I(inode)->i_ext_lock);
322
322
 }