X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flclient.h;h=9c5677016501e893cfba9493c6f6d0cca323b51d;hb=f100d508311d16a09040a057438ee06fd9e6d7fe;hp=1f5d9084c43546e152bcca297ce779ede7bfd0cb;hpb=15ac26cb2fc0b9b4c6c4507d8cdab683b9b40b7e;p=fs%2Flustre-release.git

diff --git a/lustre/include/lclient.h b/lustre/include/lclient.h
index 1f5d908..9c56770 100644
--- a/lustre/include/lclient.h
+++ b/lustre/include/lclient.h
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -28,6 +26,8 @@
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -43,9 +43,21 @@
 #ifndef LCLIENT_H
 #define LCLIENT_H
 
-int cl_glimpse_size(struct inode *inode);
+blkcnt_t dirty_cnt(struct inode *inode);
+
+int cl_glimpse_size0(struct inode *inode, int agl);
 int cl_glimpse_lock(const struct lu_env *env, struct cl_io *io,
-                    struct inode *inode, struct cl_object *clob);
+                    struct inode *inode, struct cl_object *clob, int agl);
+
+static inline int cl_glimpse_size(struct inode *inode)
+{
+        return cl_glimpse_size0(inode, 0);
+}
+
+static inline int cl_agl(struct inode *inode)
+{
+        return cl_glimpse_size0(inode, 1);
+}
 
 /**
  * Locking policy for setattr.
@@ -95,6 +107,10 @@ struct ccc_io {
          * True iff io is processing glimpse right now.
          */
         int                  cui_glimpse;
+	/**
+	 * Layout version when this IO is initialized
+	 */
+	__u32                cui_layout_gen;
         /**
          * File descriptor against which IO is done.
          */
@@ -329,8 +345,7 @@ void ccc_io_advance(const struct lu_env *env, const struct cl_io_slice *ios,
 void ccc_io_update_iov(const struct lu_env *env, struct ccc_io *cio,
                        struct cl_io *io);
 int ccc_prep_size(const struct lu_env *env, struct cl_object *obj,
-                  struct cl_io *io, loff_t start, size_t count, int vfslock,
-                  int *exceed);
+                  struct cl_io *io, loff_t start, size_t count, int *exceed);
 void ccc_req_completion(const struct lu_env *env,
                         const struct cl_req_slice *slice, int ioret);
 void ccc_req_attr_set(const struct lu_env *env,const struct cl_req_slice *slice,
@@ -356,13 +371,12 @@ int cl_setattr_ost(struct inode *inode, const struct iattr *attr,
 
 struct cl_page *ccc_vmpage_page_transient(cfs_page_t *vmpage);
 int ccc_object_invariant(const struct cl_object *obj);
-int cl_inode_init(struct inode *inode, struct lustre_md *md);
+int cl_file_inode_init(struct inode *inode, struct lustre_md *md);
 void cl_inode_fini(struct inode *inode);
 int cl_local_size(struct inode *inode);
 
 __u16 ll_dirent_type_get(struct lu_dirent *ent);
-__u64 cl_fid_build_ino(const struct lu_fid *fid);
-__u32 cl_fid_build_ino32(const struct lu_fid *fid);
+__u64 cl_fid_build_ino(const struct lu_fid *fid, int api32);
 __u32 cl_fid_build_gen(const struct lu_fid *fid);
 
 #ifdef INVARIANT_CHECK
@@ -394,4 +408,30 @@ int  cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock,
                       struct ccc_grouplock *cg);
 void cl_put_grouplock(struct ccc_grouplock *cg);
 
+/**
+ * New interfaces to get and put lov_stripe_md from lov layer. This violates
+ * layering because lov_stripe_md is supposed to be a private data in lov.
+ *
+ * NB: If you find you have to use these interfaces for your new code, please
+ * think about it again. These interfaces may be removed in the future for
+ * better layering. */
+struct lov_stripe_md *lov_lsm_get(struct cl_object *clobj);
+void lov_lsm_put(struct cl_object *clobj, struct lov_stripe_md *lsm);
+int lov_read_and_clear_async_rc(struct cl_object *clob);
+
+struct lov_stripe_md *ccc_inode_lsm_get(struct inode *inode);
+void ccc_inode_lsm_put(struct inode *inode, struct lov_stripe_md *lsm);
+
+/**
+ * Data structures for LRU management on lustre client mount
+ */
+struct cl_client_lru {
+	cfs_atomic_t	ccl_users; /* how many users(OSCs) of this data */
+	cfs_atomic_t	ccl_page_left;
+	unsigned long	ccl_page_max;
+	cfs_list_t	ccl_list; /* entities for lru - actually osc list */
+	cfs_spinlock_t	ccl_lock; /* lock for list */
+	unsigned int	ccl_reclaim_count; /* statistics */
+};
+
 #endif /*LCLIENT_H */