[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/fs/ocfs2/dcache.h b/ap/os/linux/linux-3.4.x/fs/ocfs2/dcache.h
new file mode 100644
index 0000000..b79eff7
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+++ b/ap/os/linux/linux-3.4.x/fs/ocfs2/dcache.h
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+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * dcache.h
+ *
+ * Function prototypes
+ *
+ * Copyright (C) 2002, 2004 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#ifndef OCFS2_DCACHE_H
+#define OCFS2_DCACHE_H
+
+extern const struct dentry_operations ocfs2_dentry_ops;
+
+struct ocfs2_dentry_lock {
+ /* Use count of dentry lock */
+ unsigned int dl_count;
+ union {
+ /* Linked list of dentry locks to release */
+ struct ocfs2_dentry_lock *dl_next;
+ u64 dl_parent_blkno;
+ };
+
+ /*
+ * The ocfs2_dentry_lock keeps an inode reference until
+ * dl_lockres has been destroyed. This is usually done in
+ * ->d_iput() anyway, so there should be minimal impact.
+ */
+ struct inode *dl_inode;
+ struct ocfs2_lock_res dl_lockres;
+};
+
+int ocfs2_dentry_attach_lock(struct dentry *dentry, struct inode *inode,
+ u64 parent_blkno);
+
+extern spinlock_t dentry_list_lock;
+
+void ocfs2_dentry_lock_put(struct ocfs2_super *osb,
+ struct ocfs2_dentry_lock *dl);
+
+void ocfs2_drop_dl_inodes(struct work_struct *work);
+void ocfs2_drop_all_dl_inodes(struct ocfs2_super *osb);
+
+struct dentry *ocfs2_find_local_alias(struct inode *inode, u64 parent_blkno,
+ int skip_unhashed);
+
+void ocfs2_dentry_move(struct dentry *dentry, struct dentry *target,
+ struct inode *old_dir, struct inode *new_dir);
+
+extern spinlock_t dentry_attach_lock;
+void ocfs2_dentry_attach_gen(struct dentry *dentry);
+
+#endif /* OCFS2_DCACHE_H */