diff options
author | Amir Goldstein <amir73il@gmail.com> | 2017-04-26 22:40:52 +0200 |
---|---|---|
committer | Miklos Szeredi <mszeredi@redhat.com> | 2017-05-05 11:38:58 +0200 |
commit | c22205d0584bc65cfc9a65db0e15a9b69f5cdf64 (patch) | |
tree | 395ac94f8c39308a49cd75b60fa6127b3ec8a166 /fs/overlayfs | |
parent | ovl: store file handle of lower inode on copy up (diff) | |
download | linux-c22205d0584bc65cfc9a65db0e15a9b69f5cdf64.tar.xz linux-c22205d0584bc65cfc9a65db0e15a9b69f5cdf64.zip |
ovl: use an auxiliary var for overlay root entry
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs')
-rw-r--r-- | fs/overlayfs/namei.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index b8b077821fb0..d0a3e4ad3042 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -220,6 +220,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, const struct cred *old_cred; struct ovl_fs *ofs = dentry->d_sb->s_fs_info; struct ovl_entry *poe = dentry->d_parent->d_fsdata; + struct ovl_entry *roe = dentry->d_sb->s_root->d_fsdata; struct path *stack = NULL; struct dentry *upperdir, *upperdentry = NULL; unsigned int ctr = 0; @@ -259,7 +260,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, if (!upperredirect) goto out_put_upper; if (d.redirect[0] == '/') - poe = dentry->d_sb->s_root->d_fsdata; + poe = roe; } upperopaque = d.opaque; } @@ -290,10 +291,8 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, if (d.stop) break; - if (d.redirect && - d.redirect[0] == '/' && - poe != dentry->d_sb->s_root->d_fsdata) { - poe = dentry->d_sb->s_root->d_fsdata; + if (d.redirect && d.redirect[0] == '/' && poe != roe) { + poe = roe; /* Find the current layer on the root dentry */ for (i = 0; i < poe->numlower; i++) |