summaryrefslogtreecommitdiff
path: root/fs/overlayfs/super.c
diff options
context:
space:
mode:
authorAmir Goldstein <amir73il@gmail.com>2017-01-17 06:34:56 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2017-02-07 15:47:14 +0100
commit39d3d60a54df05a1a32fa71159d7a26a530dee6c (patch)
tree176b1873dbc9d1a96abccf597ca91c82d27de87d /fs/overlayfs/super.c
parentd8514d8edb5b045cf7f708e14f888ce760d60f0b (diff)
ovl: introduce copy up waitqueue
The overlay sb 'copyup_wq' and overlay inode 'copying' condition variable are about to replace the upper sb rename_lock, as finer grained synchronization objects for concurrent copy up. Suggested-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/super.c')
-rw-r--r--fs/overlayfs/super.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index ff05065b510f..6792bb70b4ac 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -708,6 +708,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
if (!ufs)
goto out;
+ init_waitqueue_head(&ufs->copyup_wq);
ufs->config.redirect_dir = ovl_redirect_dir_def;
err = ovl_parse_opt((char *) data, &ufs->config);
if (err)