get rid of DCACHE_GENOCIDE

Al Viro · Al Viro · commit 57851607326a · 2023-11-25T02:50:19.000-05:00
... now that we never call d_genocide() other than from kill_litter_super()

Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/fs/dcache.c b/fs/dcache.c
@@ -3198,10 +3198,7 @@ static enum d_walk_ret d_genocide_kill(void *data, struct dentry *dentry)
 		if (d_unhashed(dentry) || !dentry->d_inode)
 			return D_WALK_SKIP;
 
-		if (!(dentry->d_flags & DCACHE_GENOCIDE)) {
-			dentry->d_flags |= DCACHE_GENOCIDE;
-			dentry->d_lockref.count--;
-		}
+		dentry->d_lockref.count--;
 	}
 	return D_WALK_CONTINUE;
 }
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
@@ -173,7 +173,6 @@ struct dentry_operations {
 #define DCACHE_DONTCACHE		BIT(7) /* Purge from memory on final dput() */
 
 #define DCACHE_CANT_MOUNT		BIT(8)
-#define DCACHE_GENOCIDE			BIT(9)
 #define DCACHE_SHRINK_LIST		BIT(10)
 
 #define DCACHE_OP_WEAK_REVALIDATE	BIT(11)

Original file line number	Diff line number	Diff line change
`@@ -3198,10 +3198,7 @@ static enum d_walk_ret d_genocide_kill(void data, struct dentry dentry)`
`3198`	`3198`	`if (d_unhashed(dentry) \|\| !dentry->d_inode)`
`3199`	`3199`	`return D_WALK_SKIP;`
`3200`	`3200`
`3201`		`- if (!(dentry->d_flags & DCACHE_GENOCIDE)) {`
`3202`		`- dentry->d_flags \|= DCACHE_GENOCIDE;`
`3203`		`- dentry->d_lockref.count--;`
`3204`		`- }`
	`3201`	`+ dentry->d_lockref.count--;`
`3205`	`3202`	`}`
`3206`	`3203`	`return D_WALK_CONTINUE;`
`3207`	`3204`	`}`