Added code for obdfs to do writes to files and reads of directories and

[fs/lustre-release.git] / lustre / obdfs / super.c

diff --git a/lustre/obdfs/super.c b/lustre/obdfs/super.c
index f7b21a1..c40122b 100644 (file)
--- a/lustre/obdfs/super.c
+++ b/lustre/obdfs/super.c
@@ -2,6 +2,9 @@
  * OBDFS Super operations
  *
  * Copryright (C) 1996 Peter J. Braam <braam@stelias.com>
+ * Copryright (C) 1999 Stelias Computing Inc. <braam@stelias.com>
+ * Copryright (C) 1999 Seagate Technology Inc.
+ *
  */
 
 #define EXPORT_SYMTAB
@@ -25,15 +28,11 @@
 #include <linux/vmalloc.h>
 #include <asm/segment.h>
 
-#include <../obd/linux/sim_obd.h>
+#include <linux/obd_support.h>
+#include <linux/obd_class.h>
+#include <linux/obd_sim.h>  /* XXX for development/debugging only */
 #include <obdfs.h>
 
-/* DEBUGGING! */
-#undef MOD_INC_USE_COUNT
-#define MOD_INC_USE_COUNT
-#undef MOD_DEC_USE_COUNT
-#define MOD_DEC_USE_COUNT
-
 /* VFS super_block ops */
 static struct super_block *obdfs_read_super(struct super_block *, void *, int);
 static void obdfs_read_inode(struct inode *);
@@ -80,11 +79,15 @@ static struct super_block * obdfs_read_super(struct super_block *sb,
                return NULL;
        }
 
-        error  = obd_connect(obd_minor, &sbi->osi_conn_info);
+       sbi->osi_obd = &obd_dev[obd_minor];
+       sbi->osi_ops = sbi->osi_obd->obd_type->typ_ops;
+       
+        error  = sbi->osi_ops->o_connect(obd_minor, &sbi->osi_conn_info);
        if ( error ) {
                printk("OBDFS: cannot connect to 0x%x.\n", obd_minor);
                goto error;
        }
+
        sbi->osi_super = sb;
 
         lock_super(sb);
@@ -106,7 +109,7 @@ static struct super_block * obdfs_read_super(struct super_block *sb,
 
        printk("obdfs_read_super: rootinode is %ld dev %d\n", 
               root->i_ino, root->i_dev);
-       sb->s_root = d_alloc_root(root, NULL);
+       sb->s_root = d_alloc_root(root);
        unlock_super(sb);
        EXIT;  
         return sb;
@@ -136,7 +139,7 @@ static void obdfs_put_super(struct super_block *sb)
        /* XXX flush stuff */
        sbi = sb->u.generic_sbp;
        sb->u.generic_sbp = NULL;
-       obd_disconnect(sbi->osi_conn_info.conn_id);
+       sbi->osi_ops->o_disconnect(sbi->osi_conn_info.conn_id);
        sbi->osi_super = NULL;
 
        
@@ -147,6 +150,8 @@ static void obdfs_put_super(struct super_block *sb)
        EXIT;
 }
 
+extern struct inode_operations obdfs_inode_ops;
+
 /* all filling in of inodes postponed until lookup */
 static void obdfs_read_inode(struct inode *inode)
 {
@@ -155,14 +160,15 @@ static void obdfs_read_inode(struct inode *inode)
        struct obdfs_sb_info *sbi = inode->i_sb->u.generic_sbp;
        ENTRY;
 
-       error = obd_getattr(sbi->osi_conn_info.conn_id, inode->i_ino, &attr);
+       error = sbi->osi_ops->o_getattr(sbi->osi_conn_info.conn_id, 
+                                       inode->i_ino, &attr);
        if (error) {
                printk("obdfs_read_inode: ibd_getattr fails (%d)\n", error);
                return;
        }
 
        inode_setattr(inode, &attr);
-       inode->i_op = NULL;
+       inode->i_op = &obdfs_inode_ops;
        return;
 }
 
@@ -185,11 +191,11 @@ static void obdfs_write_inode(struct inode *inode)
         struct obdfs_sb_info *sbi;
        struct iattr attr;
        int error;
-       ENTRY;
        
        inode_to_iattr(inode, &attr);
        sbi = inode->i_sb->u.generic_sbp;
-       error = obd_setattr(sbi->osi_conn_info.conn_id, inode->i_ino, &attr);
+       error = sbi->osi_ops->o_setattr(sbi->osi_conn_info.conn_id, 
+                                       inode->i_ino, &attr);
        if (error) {
                printk("obdfs_write_inode: ibd_setattr fails (%d)\n", error);
                return;
@@ -205,7 +211,8 @@ static void obdfs_delete_inode(struct inode *inode)
         ENTRY;
 
        sbi = inode->i_sb->u.generic_sbp;
-       error = obd_destroy(sbi->osi_conn_info.conn_id , inode->i_ino);
+       error = sbi->osi_ops->o_destroy(sbi->osi_conn_info.conn_id, 
+                                       inode->i_ino);
        if (error) {
                printk("obdfs_delete_node: ibd_destroy fails (%d)\n", error);
                return;
@@ -223,7 +230,8 @@ static int  obdfs_notify_change(struct dentry *de, struct iattr *iattr)
        ENTRY;
 
        sbi = inode->i_sb->u.generic_sbp;
-        error = obd_setattr(sbi->osi_conn_info.conn_id, inode->i_ino, iattr);
+        error = sbi->osi_ops->o_setattr(sbi->osi_conn_info.conn_id, 
+                                       inode->i_ino, iattr);
        if ( error ) {
                printk("obdfs_notify_change: obd_setattr fails (%d)\n", error);
                return error;
@@ -245,7 +253,7 @@ static int obdfs_statfs(struct super_block *sb, struct statfs *buf,
        ENTRY;
 
        sbi = sb->u.generic_sbp;
-       error = obd_statfs(sbi->osi_conn_info.conn_id, &tmp);
+       error = sbi->osi_ops->o_statfs(sbi->osi_conn_info.conn_id, &tmp);
        if ( error ) { 
                printk("obdfs_notify_change: obd_statfs fails (%d)\n", error);
                return error;
@@ -266,6 +274,10 @@ int init_obdfs(void)
        printk(KERN_INFO "OBDFS v0.1, braam@stelias.com\n");
 
        obdfs_sysctl_init();
+
+       obd_sbi = &obdfs_super_info;
+       obd_fso = &obdfs_file_operations;
+
        return register_filesystem(&obdfs_fs_type);
 }
 
@@ -281,6 +293,7 @@ void cleanup_module(void)
         ENTRY;
 
        obdfs_sysctl_clean();
+       unregister_filesystem(&obdfs_fs_type);
 }
 void obdfs_psdev_dec_use_count(void)
 {