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authorJeff Layton <jlayton@kernel.org>2022-11-16 17:55:36 +0300
committerJeff Layton <jlayton@kernel.org>2022-11-30 13:08:10 +0300
commit17b985def2a859d66d27afee442147468a6a4ea6 (patch)
tree154c88c226a8edb3b61506296725abfd897b5ac8 /fs/nfs/pagelist.c
parent98b41ffe0afdfeaa1439a5d6bd2db4a94277e31b (diff)
downloadlinux-17b985def2a859d66d27afee442147468a6a4ea6.tar.xz
nfs: use locks_inode_context helper
nfs currently doesn't access i_flctx safely. This requires a smp_load_acquire, as the pointer is set via cmpxchg (a release operation). Cc: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: Anna Schumaker <anna@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jeff Layton <jlayton@kernel.org>
Diffstat (limited to 'fs/nfs/pagelist.c')
-rw-r--r--fs/nfs/pagelist.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 317cedfa52bf..16be6dae524f 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -1055,7 +1055,7 @@ static unsigned int nfs_coalesce_size(struct nfs_page *prev,
if (prev) {
if (!nfs_match_open_context(nfs_req_openctx(req), nfs_req_openctx(prev)))
return 0;
- flctx = d_inode(nfs_req_openctx(req)->dentry)->i_flctx;
+ flctx = locks_inode_context(d_inode(nfs_req_openctx(req)->dentry));
if (flctx != NULL &&
!(list_empty_careful(&flctx->flc_posix) &&
list_empty_careful(&flctx->flc_flock)) &&