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| author | Amir Goldstein <amir73il@gmail.com> | 2017-01-17 07:34:56 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2017-02-07 17:47:14 +0300 |
| commit | 39d3d60a54df05a1a32fa71159d7a26a530dee6c (patch) | |
| tree | 176b1873dbc9d1a96abccf597ca91c82d27de87d /fs/overlayfs/super.c | |
| parent | d8514d8edb5b045cf7f708e14f888ce760d60f0b (diff) | |
| download | linux-39d3d60a54df05a1a32fa71159d7a26a530dee6c.tar.xz | |
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.c | 1 |
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) |