diff options
Diffstat (limited to 'fs/overlayfs/export.c')
| -rw-r--r-- | fs/overlayfs/export.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c index 7e16bbcad9..063409069f 100644 --- a/fs/overlayfs/export.c +++ b/fs/overlayfs/export.c @@ -289,7 +289,6 @@ static struct dentry *ovl_obtain_alias(struct super_block *sb, { struct dentry *lower = lowerpath ? lowerpath->dentry : NULL; struct dentry *upper = upper_alias ?: index; - struct dentry *dentry; struct inode *inode = NULL; struct ovl_entry *oe; struct ovl_inode_params oip = { @@ -320,27 +319,7 @@ static struct dentry *ovl_obtain_alias(struct super_block *sb, if (upper) ovl_set_flag(OVL_UPPERDATA, inode); - dentry = d_find_any_alias(inode); - if (dentry) - goto out_iput; - - dentry = d_alloc_anon(inode->i_sb); - if (unlikely(!dentry)) - goto nomem; - - if (upper_alias) - ovl_dentry_set_upper_alias(dentry); - - ovl_dentry_init_reval(dentry, upper, OVL_I_E(inode)); - - return d_instantiate_anon(dentry, inode); - -nomem: - dput(dentry); - dentry = ERR_PTR(-ENOMEM); -out_iput: - iput(inode); - return dentry; + return d_obtain_alias(inode); } /* Get the upper or lower dentry in stack whose on layer @idx */ @@ -460,7 +439,7 @@ static struct dentry *ovl_lookup_real_inode(struct super_block *sb, * For decoded lower dir file handle, lookup index by origin to check * if lower dir was copied up and and/or removed. */ - if (!this && layer->idx && ofs->indexdir && !WARN_ON(!d_is_dir(real))) { + if (!this && layer->idx && ovl_indexdir(sb) && !WARN_ON(!d_is_dir(real))) { index = ovl_lookup_index(ofs, NULL, real, false); if (IS_ERR(index)) return index; @@ -733,7 +712,7 @@ static struct dentry *ovl_lower_fh_to_d(struct super_block *sb, } /* Then lookup indexed upper/whiteout by origin fh */ - if (ofs->indexdir) { + if (ovl_indexdir(sb)) { index = ovl_get_index_fh(ofs, fh); err = PTR_ERR(index); if (IS_ERR(index)) { |