b=20989 Don't search for inode in nfs get_dentry

[fs/lustre-release.git] / lustre / include / lclient.h

diff --git a/lustre/include/lclient.h b/lustre/include/lclient.h
index 8b86063..529d198 100644 (file)
--- a/lustre/include/lclient.h
+++ b/lustre/include/lclient.h
@@ -48,20 +48,6 @@ int cl_glimpse_lock(const struct lu_env *env, struct cl_io *io,
                     struct inode *inode, struct cl_object *clob);
 
 /**
- * Common IO arguments for various VFS I/O interfaces.
- */
-struct ccc_io_args {
-        int           cia_is_sendfile;
-#ifndef HAVE_FILE_WRITEV
-        struct kiocb *cia_iocb;
-#endif
-        struct iovec *cia_iov;
-        unsigned long cia_nrsegs;
-        read_actor_t  cia_actor;
-        void         *cia_target;
-};
-
-/**
  * Locking policy for truncate.
  */
 enum ccc_trunc_lock_type {
@@ -73,6 +59,7 @@ enum ccc_trunc_lock_type {
         TRUNC_MATCH
 };
 
+
 /**
  * IO state private to vvp or slp layers.
  */
@@ -117,13 +104,18 @@ struct ccc_io {
 #endif
 };
 
+/**
+ * True, if \a io is a normal io, False for other (sendfile, splice*).
+ * must be impementated in arch specific code.
+ */
+int cl_is_normalio(const struct lu_env *env, const struct cl_io *io);
+
 extern struct lu_context_key ccc_key;
 extern struct lu_context_key ccc_session_key;
 
 struct ccc_thread_info {
         struct cl_lock_descr cti_descr;
         struct cl_io         cti_io;
-        struct cl_sync_io    cti_sync_io;
         struct cl_attr       cti_attr;
 };
 
@@ -175,7 +167,7 @@ struct ccc_object {
          *
          * \see ccc_page::cpg_pending_linkage
          */
-        struct list_head        cob_pending_list;
+        cfs_list_t             cob_pending_list;
 
         /**
          * Access this counter is protected by inode->i_sem. Now that
@@ -188,7 +180,7 @@ struct ccc_object {
          *
          * \see ll_vm_open(), ll_vm_close().
          */
-        atomic_t                cob_mmap_cnt;
+        cfs_atomic_t            cob_mmap_cnt;
 };
 
 /**
@@ -206,19 +198,9 @@ struct ccc_page {
          * that is, never iterated through, only checked for list_empty(), but
          * having a list is useful for debugging.
          */
-        struct list_head     cpg_pending_linkage;
+        cfs_list_t           cpg_pending_linkage;
         /** VM page */
         cfs_page_t          *cpg_page;
-        struct cl_sync_io   *cpg_sync_io;
-        /**
-         * checksum for paranoid I/O debugging enabled by
-         * ENABLE_LLITE_CHECKSUM configuration option.
-         *
-         * XXX This cannot be implemented reliably because checksum cannot be
-         * updated from ->set_page_dirty() that is called without page VM
-         * lock.
-         */
-        __u32                cpg_checksum;
 };
 
 static inline struct ccc_page *cl2ccc_page(const struct cl_page_slice *slice)
@@ -294,9 +276,9 @@ int ccc_page_is_under_lock(const struct lu_env *env,
                            const struct cl_page_slice *slice, struct cl_io *io);
 int ccc_fail(const struct lu_env *env, const struct cl_page_slice *slice);
 void ccc_transient_page_verify(const struct cl_page *page);
-void ccc_transient_page_own(const struct lu_env *env,
+int  ccc_transient_page_own(const struct lu_env *env,
                             const struct cl_page_slice *slice,
-                            struct cl_io *io);
+                            struct cl_io *io, int nonblock);
 void ccc_transient_page_assume(const struct lu_env *env,
                                const struct cl_page_slice *slice,
                                struct cl_io *io);
@@ -373,6 +355,8 @@ void cl_inode_fini(struct inode *inode);
 int cl_local_size(struct inode *inode);
 
 __u16 ll_dirent_type_get(struct lu_dirent *ent);
+ino_t cl_fid_build_ino(const struct lu_fid *fid);
+__u32 cl_fid_build_gen(const struct lu_fid *fid);
 
 #ifdef INVARIANT_CHECK
 # define CLOBINVRNT(env, clob, expr)                                    \
@@ -390,7 +374,7 @@ __u16 ll_dirent_type_get(struct lu_dirent *ent);
 int cl_init_ea_size(struct obd_export *md_exp, struct obd_export *dt_exp);
 int cl_ocd_update(struct obd_device *host,
                   struct obd_device *watched,
-                  enum obd_notify_event ev, void *owner);
+                  enum obd_notify_event ev, void *owner, void *data);
 
 struct ccc_grouplock {
         struct lu_env   *cg_env;