* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#ifndef _LUSTRE_DISK_H
#define _LUSTRE_DISK_H
+/** \defgroup disk disk
+ *
+ * @{
+ */
+
#include <libcfs/libcfs.h>
#include <lnet/types.h>
#define LDD_F_NEED_INDEX 0x0010
/** never registered */
#define LDD_F_VIRGIN 0x0020
-/** update the config logs for this server*/
+/** update the config logs for this server */
#define LDD_F_UPDATE 0x0040
/** rewrite the LDD */
#define LDD_F_REWRITE_LDD 0x0080
-/** regenerate all logs for this fs */
+/** regenerate config logs for this fs or server */
#define LDD_F_WRITECONF 0x0100
/** COMPAT_14 */
#define LDD_F_UPGRADE14 0x0200
__u32 lmd_flags; /* lustre mount flags */
int lmd_mgs_failnodes; /* mgs failover node count */
int lmd_exclude_count;
+ int lmd_recovery_time_soft;
+ int lmd_recovery_time_hard;
char *lmd_dev; /* device name */
char *lmd_profile; /* client only */
char *lmd_mgssec; /* sptlrpc flavor to mgs */
no other services */
#define LMD_FLG_NOMGS 0x0020 /* Only start target for servers, reusing
existing MGS services */
+#define LMD_FLG_WRITECONF 0x0040 /* Rewrite config log */
#define lmd_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT)
#define LR_EPOCH_BITS 32
#define lr_epoch(a) ((a) >> LR_EPOCH_BITS)
#define LR_EXPIRE_INTERVALS 16 /**< number of intervals to track transno */
+#define ENOENT_VERSION 1 /** 'virtual' version of non-existent object */
#define LR_SERVER_SIZE 512
#define LR_CLIENT_START 8192
#define LR_MAX_CLIENTS (CFS_PAGE_SIZE * 8)
#endif
-#define LR_CLIENT_BITMAP_SIZE ((LR_MAX_CLIENTS >> 3) / sizeof(long))
-
/** COMPAT_146: this is an OST (temporary) */
#define OBD_COMPAT_OST 0x00000002
/** COMPAT_146: this is an MDT (temporary) */
__u8 lcd_padding[LR_CLIENT_SIZE - 128];
};
+/* bug20354: the lcd_uuid for export of clients may be wrong */
+static inline void check_lcd(char *obd_name, int index,
+ struct lsd_client_data *lcd)
+{
+ int length = sizeof(lcd->lcd_uuid);
+ if (strnlen((char*)lcd->lcd_uuid, length) == length) {
+ lcd->lcd_uuid[length - 1] = '\0';
+
+ LCONSOLE_ERROR("the client UUID (%s) on %s for exports"
+ "stored in last_rcvd(index = %d) is bad!\n",
+ lcd->lcd_uuid, obd_name, index);
+ }
+}
+
/* last_rcvd handling */
static inline void lsd_le_to_cpu(struct lr_server_data *buf,
struct lr_server_data *lsd)
struct lustre_disk_data *lsi_ldd; /* mount info on-disk */
struct ll_sb_info *lsi_llsbi; /* add'l client sbi info */
struct vfsmount *lsi_srv_mnt; /* the one server mount */
- atomic_t lsi_mounts; /* references to the srv_mnt */
+ cfs_atomic_t lsi_mounts; /* references to the srv_mnt */
+ struct backing_dev_info bdi; /* Each client mountpoint needs own backing_dev_info */
};
#define LSI_SERVER 0x00000001
/****************** mount lookup info *********************/
struct lustre_mount_info {
- char *lmi_name;
- struct super_block *lmi_sb;
- struct vfsmount *lmi_mnt;
- struct list_head lmi_list_chain;
+ char *lmi_name;
+ struct super_block *lmi_sb;
+ struct vfsmount *lmi_mnt;
+ cfs_list_t lmi_list_chain;
};
/****************** prototypes *********************/
int lustre_common_put_super(struct super_block *sb);
+struct lustre_mount_info *server_find_mount_locked(const char *name);
struct lustre_mount_info *server_get_mount(const char *name);
struct lustre_mount_info *server_get_mount_2(const char *name);
int server_put_mount(const char *name, struct vfsmount *mnt);
#endif
+/** @} disk */
+
#endif // _LUSTRE_DISK_H