"ovl_copy_up_flags" is used in copy_up.c. So, change it static. Signed-off-by: youngjun <her0gyugyu@xxxxxxxxx> --- fs/overlayfs/copy_up.c | 2 +- fs/overlayfs/namei.c | 11 ++--------- fs/overlayfs/overlayfs.h | 1 - 3 files changed, 3 insertions(+), 11 deletions(-) diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 79dd052c7dbf..5e0cde85bd6b 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -895,7 +895,7 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, return err; } -int ovl_copy_up_flags(struct dentry *dentry, int flags) +static int ovl_copy_up_flags(struct dentry *dentry, int flags) { int err = 0; const struct cred *old_cred = ovl_override_creds(dentry->d_sb); diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index 3566282a9199..3cad68c3efb2 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -389,7 +389,7 @@ int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, bool connected, } static int ovl_check_origin(struct ovl_fs *ofs, struct dentry *upperdentry, - struct ovl_path **stackp, unsigned int *ctrp) + struct ovl_path **stackp) { struct ovl_fh *fh = ovl_get_fh(upperdentry, OVL_XATTR_ORIGIN); int err; @@ -406,10 +406,6 @@ static int ovl_check_origin(struct ovl_fs *ofs, struct dentry *upperdentry, return err; } - if (WARN_ON(*ctrp)) - return -EIO; - - *ctrp = 1; return 0; } @@ -861,8 +857,6 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, goto out; } if (upperdentry && !d.is_dir) { - unsigned int origin_ctr = 0; - /* * Lookup copy up origin by decoding origin file handle. * We may get a disconnected dentry, which is fine, @@ -873,8 +867,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, * number - it's the same as if we held a reference * to a dentry in lower layer that was moved under us. */ - err = ovl_check_origin(ofs, upperdentry, &origin_path, - &origin_ctr); + err = ovl_check_origin(ofs, upperdentry, &origin_path); if (err) goto out_put_upper; diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index b725c7f15ff4..29bc1ec699e7 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -483,7 +483,6 @@ void ovl_aio_request_cache_destroy(void); /* copy_up.c */ int ovl_copy_up(struct dentry *dentry); int ovl_copy_up_with_data(struct dentry *dentry); -int ovl_copy_up_flags(struct dentry *dentry, int flags); int ovl_maybe_copy_up(struct dentry *dentry, int flags); int ovl_copy_xattr(struct dentry *old, struct dentry *new); int ovl_set_attr(struct dentry *upper, struct kstat *stat); -- 2.17.1