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Diffstat (limited to 'fs/9p/fid.c')
-rw-r--r--fs/9p/fid.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 3d681a2c2731..3304984c0fad 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -39,6 +39,33 @@ void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid)
}
/**
+ * v9fs_fid_find_inode - search for a fid off of the client list
+ * @inode: return a fid pointing to a specific inode
+ * @uid: return a fid belonging to the specified user
+ *
+ */
+
+static struct p9_fid *v9fs_fid_find_inode(struct inode *inode, kuid_t uid)
+{
+ struct p9_client *clnt = v9fs_inode2v9ses(inode)->clnt;
+ struct p9_fid *fid, *fidptr, *ret = NULL;
+ unsigned long flags;
+
+ p9_debug(P9_DEBUG_VFS, " inode: %p\n", inode);
+
+ spin_lock_irqsave(&clnt->lock, flags);
+ list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist) {
+ if (uid_eq(fid->uid, uid) &&
+ (inode->i_ino == v9fs_qid2ino(&fid->qid))) {
+ ret = fid;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&clnt->lock, flags);
+ return ret;
+}
+
+/**
* v9fs_fid_find - retrieve a fid that belongs to the specified uid
* @dentry: dentry to look for fid in
* @uid: return fid that belongs to the specified user
@@ -65,6 +92,9 @@ static struct p9_fid *v9fs_fid_find(struct dentry *dentry, kuid_t uid, int any)
}
}
spin_unlock(&dentry->d_lock);
+ } else {
+ if (dentry->d_inode)
+ ret = v9fs_fid_find_inode(dentry->d_inode, uid);
}
return ret;