(Was: BUG_ON in rcu_sync_func triggered)
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b4 am [email protected]Versions newest first
- v1 Latest2 patches 3 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | fs/super.c: fix race between freeze_super() and thaw_super()fs/ | +3 | 1 reply | |
| 2/2 | fs/super.c: don't fool lockdep in freeze_super() and thaw_super() pathsfs/ | +25 | 25 replies |
Reviews trailers per patch
All 2 patches have a Reviewed-by or Acked-by.
| Patch | Nikolay Borisov | Jan Kara |
|---|---|---|
| 1/2 | Reported-and-tested-by | R-b |
| 2/2 | R-b |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH 0/2] (Was: BUG_ON in rcu_sync_func triggered)
Hello,
The patches do not depend on each other.
1/2 is the trivial fix, imo -stable material. The bug is very old it seems, but today this race (leading to unbalanced unlock) manifests itself via mysterious BUG_ON's in rcu/sync.c.
2/2 is old, I forgot to send it before. It was already reviewed by Dave and Jan, but the generic/068 test from xfstests triggered the warning. This was fixed by dbad7c993053 "xfs: stop holding ILOCK over filldir callbacks" so we can hopefully kill the early-lockdep-release kludge.
Oleg.
fs/super.c | 43 ++++++++++++++++++++++++++++--------------- 1 file changed, 28 insertions(+), 15 deletions(-)