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9p: new helper - v9fs_parent_fid()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro
2016-05-29 15:29:26 -04:00
parent acc29fb8f7
commit 77d5a6b7d9
3 changed files with 14 additions and 16 deletions
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4
fs/9p/fid.h
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@@ -24,6 +24,10 @@
#include <linux/list.h>
struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
static inline struct p9_fid *v9fs_parent_fid(struct dentry *dentry)
{
return v9fs_fid_lookup(dentry->d_parent);
}
struct p9_fid *v9fs_fid_clone(struct dentry *dentry);
void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);