LU-3321 clio: revert LU-2622 for removing global env list

[fs/lustre-release.git] / lustre / liblustre / llite_lib.h

diff --git a/lustre/liblustre/llite_lib.h b/lustre/liblustre/llite_lib.h
index efc130b..2b427c3 100644 (file)
--- a/lustre/liblustre/llite_lib.h
+++ b/lustre/liblustre/llite_lib.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) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -65,7 +65,7 @@
 
 /* This should not be "optimized" use ~0ULL because page->index is a long and
  * 32-bit systems are therefore limited to 16TB in a mapping */
-#define PAGE_CACHE_MAXBYTES ((__u64)(~0UL) << CFS_PAGE_SHIFT)
+#define MAX_LFS_FILESIZE ((__u64)(~0UL) << PAGE_CACHE_SHIFT)
 struct ll_file_data {
         struct obd_client_handle fd_mds_och;
         __u32 fd_flags;
@@ -99,9 +99,7 @@ struct llu_inode_info {
         struct llu_sb_info     *lli_sbi;
         struct lu_fid           lli_fid;
 
-        struct lov_stripe_md   *lli_smd;
         char                   *lli_symlink_name;
-        cfs_semaphore_t         lli_open_sem;
         __u64                   lli_maxbytes;
         unsigned long           lli_flags;
         __u64                   lli_ioepoch;
@@ -119,6 +117,9 @@ struct llu_inode_info {
          * was opened several times without close, we track an
          * open_count here */
         struct ll_file_data    *lli_file_data;
+       /* checking lli_has_smd is reliable only inside an IO
+        * i.e, lov stripe has been held. */
+       bool                    lli_has_smd;
         int                     lli_open_flags;
         int                     lli_open_count;
 
@@ -218,8 +219,6 @@ void ll_i2gids(__u32 *suppgids, struct inode *i1,struct inode *i2);
 typedef int (*intent_finish_cb)(struct ptlrpc_request *,
                                 struct inode *parent, struct pnode *pnode,
                                 struct lookup_intent *, int offset, obd_id ino);
-int llu_intent_lock(struct inode *parent, struct pnode *pnode,
-                    struct lookup_intent *, int flags, intent_finish_cb);
 
 static inline __u64 ll_file_maxbytes(struct inode *inode)
 {
@@ -261,7 +260,6 @@ extern struct fssw_ops llu_fssw_ops;
 void llu_prep_md_op_data(struct md_op_data *op_data, struct inode *i1,
                          struct inode *i2, const char *name, int namelen,
                          int mode, __u32 opc);
-void llu_finish_md_op_data(struct md_op_data *op_data);
 int llu_create(struct inode *dir, struct pnode_base *pnode, int mode);
 int llu_local_open(struct llu_inode_info *lli, struct lookup_intent *it);
 int llu_iop_open(struct pnode *pnode, int flags, mode_t mode);
@@ -297,6 +295,7 @@ int llu_iop_lookup(struct pnode *pnode,
                    struct intent *intnt,
                    const char *path);
 void unhook_stale_inode(struct pnode *pno);
+struct inode *llu_inode_from_resource_lock(struct ldlm_lock *lock);
 struct inode *llu_inode_from_lock(struct ldlm_lock *lock);
 int llu_md_blocking_ast(struct ldlm_lock *lock,
                         struct ldlm_lock_desc *desc,
@@ -331,7 +330,7 @@ static inline struct ext2_dirent *ext2_next_entry(struct ext2_dirent *p)
         return (struct ext2_dirent*)((char*) p + le16_to_cpu(p->rec_len));
 }
 
-int llu_merge_lvb(struct inode *inode);
+int llu_merge_lvb(const struct lu_env *env, struct inode *inode);
 
 static inline void inode_init_lvb(struct inode *inode, struct ost_lvb *lvb)
 {
@@ -346,7 +345,7 @@ static inline void inode_init_lvb(struct inode *inode, struct ost_lvb *lvb)
 #define LLU_IO_GROUP_SIZE(x) \
         (sizeof(struct llu_io_group) + \
          (sizeof(struct ll_async_page) + \
-          sizeof(cfs_page_t) + \
+         sizeof(struct page) + \
           llap_cookie_size) * (x))
 
 struct llu_io_session {
@@ -370,8 +369,6 @@ void put_io_group(struct llu_io_group *group);
 
 int cl_sb_init(struct llu_sb_info *sbi);
 int cl_sb_fini(struct llu_sb_info *sbi);
-int cl_inode_init(struct inode *inode, struct lustre_md *md);
-void cl_inode_fini(struct inode *inode);
 
 void llu_io_init(struct cl_io *io, struct inode *inode, int write);
 
@@ -405,17 +402,23 @@ static inline struct slp_io *slp_env_io(const struct lu_env *env)
 #define cl_isize_write(inode,kms)        do{llu_i2stat(inode)->st_size = kms;}while(0)
 #define cl_isize_write_nolock(inode,kms) cl_isize_write(inode,kms)
 
-static inline void cl_isize_lock(struct inode *inode, int lsmlock)
+static inline struct ll_file_data *cl_iattr2fd(struct inode *inode,
+                                               const struct iattr *attr)
 {
+        return llu_i2info(inode)->lli_file_data;
 }
 
-static inline void cl_isize_unlock(struct inode *inode, int lsmlock)
+static inline void cl_isize_lock(struct inode *inode)
 {
 }
 
-static inline int cl_merge_lvb(struct inode *inode)
+static inline void cl_isize_unlock(struct inode *inode)
 {
-        return llu_merge_lvb(inode);
+}
+
+static inline int cl_merge_lvb(const struct lu_env *env, struct inode *inode)
+{
+       return llu_merge_lvb(env, inode);
 }
 
 #define cl_inode_atime(inode) (llu_i2stat(inode)->st_atime)
@@ -428,4 +431,18 @@ static inline struct obd_capa *cl_capa_lookup(struct inode *inode,
         return NULL;
 }
 
+static inline void cl_stats_tally(struct cl_device *dev, enum cl_req_type crt,
+                                  int rc)
+{
+}
+
+static inline loff_t i_size_read(struct inode *inode)
+{
+        return inode->i_stbuf.st_size;
+}
+
+static inline void i_size_write(struct inode *inode, loff_t i_sz)
+{
+        inode->i_stbuf.st_size = i_sz;
+}
 #endif