summaryrefslogtreecommitdiff
path: root/fs/nfs
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2020-03-31 01:52:00 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-03-31 01:52:00 +0300
commit7c4fa150714fb319d4e2bb2303ebbd7307b0fb6d (patch)
tree6bd36b1721ae89f410ecd002d9a80e048a76653d /fs/nfs
parentd937a6dfc9428f470c3ce4d459c390944ddef538 (diff)
parentbaf5fe761846815164753d1bd0638fd3696db8fd (diff)
downloadlinux-7c4fa150714fb319d4e2bb2303ebbd7307b0fb6d.tar.xz
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar: "The main changes in this cycle were: - Make kfree_rcu() use kfree_bulk() for added performance - RCU updates - Callback-overload handling updates - Tasks-RCU KCSAN and sparse updates - Locking torture test and RCU torture test updates - Documentation updates - Miscellaneous fixes" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (74 commits) rcu: Make rcu_barrier() account for offline no-CBs CPUs rcu: Mark rcu_state.gp_seq to detect concurrent writes Documentation/memory-barriers: Fix typos doc: Add rcutorture scripting to torture.txt doc/RCU/rcu: Use https instead of http if possible doc/RCU/rcu: Use absolute paths for non-rst files doc/RCU/rcu: Use ':ref:' for links to other docs doc/RCU/listRCU: Update example function name doc/RCU/listRCU: Fix typos in a example code snippets doc/RCU/Design: Remove remaining HTML tags in ReST files doc: Add some more RCU list patterns in the kernel rcutorture: Set KCSAN Kconfig options to detect more data races rcutorture: Manually clean up after rcu_barrier() failure rcutorture: Make rcu_torture_barrier_cbs() post from corresponding CPU rcuperf: Measure memory footprint during kfree_rcu() test rcutorture: Annotation lockless accesses to rcu_torture_current rcutorture: Add READ_ONCE() to rcu_torture_count and rcu_torture_batch rcutorture: Fix stray access to rcu_fwd_cb_nodelay rcutorture: Fix rcu_torture_one_read()/rcu_torture_writer() data race rcutorture: Make kvm-find-errors.sh abort on bad directory ...
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 193d6fb363b7..d4b839b6cf89 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2489,7 +2489,7 @@ static int nfs_access_get_cached_rcu(struct inode *inode, const struct cred *cre
rcu_read_lock();
if (nfsi->cache_validity & NFS_INO_INVALID_ACCESS)
goto out;
- lh = rcu_dereference(nfsi->access_cache_entry_lru.prev);
+ lh = rcu_dereference(list_tail_rcu(&nfsi->access_cache_entry_lru));
cache = list_entry(lh, struct nfs_access_entry, lru);
if (lh == &nfsi->access_cache_entry_lru ||
cred_fscmp(cred, cache->cred) != 0)