The branch stable/12 has been updated by kib:
URL:
https://cgit.FreeBSD.org/src/commit/?id=2670d879f366435ec3072b46d5a4818915b13132
commit 2670d879f366435ec3072b46d5a4818915b13132
Author: Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2021-04-08 22:03:06 +0000
Commit: Konstantin Belousov <k...@freebsd.org>
CommitDate: 2021-04-11 07:38:08 +0000
struct mount uppers: correct locking annotations
(cherry picked from commit 5af1131de7fc18c795ed28e69d9393f78875d3e5)
---
sys/sys/mount.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sys/sys/mount.h b/sys/sys/mount.h
index d099e453ec1a..f1a42cb3d29b 100644
--- a/sys/sys/mount.h
+++ b/sys/sys/mount.h
@@ -186,6 +186,7 @@ struct vfsopt {
* l - mnt_listmtx
* m - mountlist_mtx
* i - interlock
+ * i* - interlock of uppers' list head
* v - vnode freelist mutex
*
* Unmarked fields are considered stable as long as a ref is held.
@@ -229,8 +230,8 @@ struct mount {
struct vnodelst mnt_tmpfreevnodelist; /* (l) list of free vnodes */
int mnt_tmpfreevnodelistsize;/* (l) # of free vnodes */
struct lock mnt_explock; /* vfs_export walkers lock */
- TAILQ_ENTRY(mount) mnt_upper_link; /* (m) we in the all uppers */
- TAILQ_HEAD(, mount) mnt_uppers; /* (m) upper mounts over us*/
+ TAILQ_ENTRY(mount) mnt_upper_link; /* (i*) we in the all uppers */
+ TAILQ_HEAD(, mount) mnt_uppers; /* (i) upper mounts over us */
};
/*
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