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authorVivek Goyal <vgoyal@redhat.com>2016-06-16 10:09:14 -0400
committerMiklos Szeredi <mszeredi@redhat.com>2016-07-29 12:05:23 +0200
commit72e48481815eeca72fc886b3be91301ad87d6aeb (patch)
tree1ee7b64d9bab4ee00d5d42b9abeafdb56a586372 /fs/overlayfs
parent58ed4e70f253d80ed72faba7873dc11603b398bc (diff)
downloadlinux-72e48481815eeca72fc886b3be91301ad87d6aeb.tar.bz2
ovl: move some common code in a function
ovl_create_upper() and ovl_create_over_whiteout() seem to be sharing some common code which can be moved into a separate function. No functionality change. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs')
-rw-r--r--fs/overlayfs/dir.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 5c9d2d80ff70..d9cdb4747f68 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -158,6 +158,16 @@ static int ovl_dir_getattr(struct vfsmount *mnt, struct dentry *dentry,
return 0;
}
+/* Common operations required to be done after creation of file on upper */
+static void ovl_instantiate(struct dentry *dentry, struct inode *inode,
+ struct dentry *newdentry)
+{
+ ovl_dentry_version_inc(dentry->d_parent);
+ ovl_dentry_update(dentry, newdentry);
+ ovl_copyattr(newdentry->d_inode, inode);
+ d_instantiate(dentry, inode);
+}
+
static int ovl_create_upper(struct dentry *dentry, struct inode *inode,
struct kstat *stat, const char *link,
struct dentry *hardlink)
@@ -177,10 +187,7 @@ static int ovl_create_upper(struct dentry *dentry, struct inode *inode,
if (err)
goto out_dput;
- ovl_dentry_version_inc(dentry->d_parent);
- ovl_dentry_update(dentry, newdentry);
- ovl_copyattr(newdentry->d_inode, inode);
- d_instantiate(dentry, inode);
+ ovl_instantiate(dentry, inode, newdentry);
newdentry = NULL;
out_dput:
dput(newdentry);
@@ -363,10 +370,7 @@ static int ovl_create_over_whiteout(struct dentry *dentry, struct inode *inode,
if (err)
goto out_cleanup;
}
- ovl_dentry_version_inc(dentry->d_parent);
- ovl_dentry_update(dentry, newdentry);
- ovl_copyattr(newdentry->d_inode, inode);
- d_instantiate(dentry, inode);
+ ovl_instantiate(dentry, inode, newdentry);
newdentry = NULL;
out_dput2:
dput(upper);