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yaml --- r: 137582 b: refs/heads/master c: 795e2fe h: refs/heads/master v: v3
git-mirror · Mar 29, 2009 · 7bcef6d · 7bcef6d
1 parent 8ed4300
commit 7bcef6d
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7c2c7d993044cddc5010f6f429b100c63bc7dffb
+refs/heads/master: 795e2fe0a3b69dbc040d7efcf517e0cbad6901d0
diff --git a/trunk/include/linux/fs_struct.h b/trunk/include/linux/fs_struct.h
@@ -4,7 +4,10 @@
 #include <linux/path.h>
 
 struct fs_struct {
-	atomic_t count;
+	atomic_t count;	/* This usage count is used by check_unsafe_exec() for
+			 * security checking purposes - therefore it may not be
+			 * incremented, except by clone(CLONE_FS).
+			 */
 	rwlock_t lock;
 	int umask;
 	struct path root, pwd;