Whamcloud - gitweb
- documentation update for MDS recovery
[fs/lustre-release.git] / lustre / include / linux / lustre_lite.h
index ba265b7..be70d95 100644 (file)
@@ -1,17 +1,20 @@
-/* object based disk file system
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * lustre lite cluster file system
  * 
  * This code is issued under the GNU General Public License.
  * See the file COPYING in this distribution
  * 
  *
  *
- *
 
 
 
 #ifndef _LL_H
 #define _LL_H
 
+#include <linux/fs.h>
 #include <linux/ext2_fs.h>
 
 #include <linux/lustre_net.h>
 #include <linux/lustre_ha.h>
 #include <linux/obdo.h>
 
-#define LUSTRE_LITE_NAME "llite"
-
 extern kmem_cache_t *ll_file_data_slab;
 struct ll_file_data { 
         __u64 fd_mdshandle; 
+        struct ptlrpc_request *fd_req; 
 };
 
 #define LL_INLINESZ      60
@@ -34,26 +36,42 @@ struct ll_inode_info {
 };
 
 #define LL_SUPER_MAGIC 0x0BD00BD0;
+
+#define LL_COMMITCBD_STOPPING  0x1
+#define LL_COMMITCBD_STOPPED   0x2
+#define LL_COMMITCBD_RUNNING   0x4
+
 struct ll_sb_info {
-        struct list_head         ll_list;      /* list of supers */
-        struct obd_conn          ll_conn;
-        struct super_block      *ll_super;
-        ino_t                    ll_rootino;   /* number of root inode */
-        int                      ll_minor;     /* minor of /dev/obdX */
-        struct list_head         ll_inodes;    /* list of dirty inodes */
-        unsigned long            ll_cache_count;
-        struct semaphore         ll_list_mutex;
-        struct ptlrpc_client     ll_mds_client;
+        struct obd_conn           ll_conn;
+        ino_t                     ll_rootino; /* number of root inode */
+        struct ptlrpc_client      ll_mds_client;
         struct ptlrpc_connection *ll_mds_conn;
-        struct ptlrpc_client     ll_ost_client;
-        struct lustre_ha_mgr    *ll_ha_mgr;
+        struct ptlrpc_client      ll_ost_client;
         struct ptlrpc_connection *ll_ost_conn;
+
+        wait_queue_head_t         ll_commitcbd_waitq;
+        wait_queue_head_t         ll_commitcbd_ctl_waitq;
+        int                       ll_commitcbd_flags;
+        struct task_struct        *ll_commitcbd_thread;
+        time_t                    ll_commitcbd_waketime;
+        time_t                    ll_commitcbd_timeout;
+        spinlock_t                ll_commitcbd_lock;
 };
 
 
+static inline struct ll_sb_info *ll_s2sbi(struct super_block *sb)
+{
+        return (struct ll_sb_info *)(sb->u.generic_sbp);
+}
+
+static inline struct obd_conn *ll_s2obdconn(struct super_block *sb)
+{
+        return &(ll_s2sbi(sb))->ll_conn;
+}
+
 static inline struct ll_sb_info *ll_i2sbi(struct inode *inode)
 {
-        return (struct ll_sb_info *) (inode->i_sb->u.generic_sbp);
+        return ll_s2sbi(inode->i_sb);
 }
 
 static inline struct ll_inode_info *ll_i2info(struct inode *inode)
@@ -69,7 +87,21 @@ static inline int ll_has_inline(struct inode *inode)
 
 static inline struct obd_conn *ll_i2obdconn(struct inode *inode)
 {
-        return &(ll_i2sbi(inode))->ll_conn;
+        return ll_s2obdconn(inode->i_sb);
+}
+
+static inline void ll_ino2fid(struct ll_fid *fid, ino_t ino, __u32 generation,
+                              int type)
+{
+        fid->id = (__u64)ino;
+        fid->generation = generation;
+        fid->f_type = type;
+}
+
+static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
+{
+        ll_ino2fid(fid, inode->i_ino, inode->i_generation,
+                   inode->i_mode & S_IFMT);
 }
 
 /* dir.c */
@@ -93,14 +125,4 @@ extern struct inode_operations ll_symlink_inode_operations;
 void ll_sysctl_init(void);
 void ll_sysctl_clean(void);
 
-
-
-static inline struct list_head *ll_slist(struct inode *inode) 
-{
-        struct ll_sb_info *sbi = ll_i2sbi(inode);
-
-        return &sbi->ll_inodes;
-}
-
 #endif
-