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ovl: move some common code in a function

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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>
This commit is contained in:
Vivek Goyal 2016-06-16 10:09:14 -04:00 committed by Miklos Szeredi
parent 58ed4e70f2
commit 72e4848181
1 changed files with 12 additions and 8 deletions
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20
fs/overlayfs/dir.c
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@ -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);