#include <linux/fs.h>
#include <linux/list.h>
#include <linux/smp_lock.h>
+#include <linux/proc_fs.h>
+#include <linux/lustre_lib.h>
#include <linux/lustre_idl.h>
-
-struct obd_conn_info {
- unsigned int conn_id; /* handle */
-};
+#include <linux/lustre_mds.h>
+#include <linux/lustre_export.h>
struct obd_type {
struct list_head typ_chain;
int typ_refcnt;
};
-struct obd_run_ctxt {
- struct vfsmount *pwdmnt;
- struct dentry *pwd;
- mm_segment_t fs;
+struct brw_page {
+ struct page *pg;
+ obd_size count;
+ obd_off off;
+ obd_flag flag;
};
-struct obd_conn {
- struct obd_device *oc_dev;
- uint32_t oc_id;
+struct lov_oinfo { /* per-child structure */
+ __u64 loi_id;
+ __u64 loi_size;
};
-struct obd_devicename {
- uint32_t len;
- char *name;
- struct dentry *dentry; /* file system obd device names */
- __u8 _uuid[16]; /* uuid obd device names */
+struct lov_stripe_md {
+ __u32 lmd_magic;
+ __u32 lmd_easize; /* packed size for MDS of ea */
+ __u64 lmd_object_id; /* lov object id */
+ __u64 lmd_stripe_offset; /* offset of the stripe */
+ __u64 lmd_stripe_size; /* size of the stripe */
+ __u32 lmd_stripe_count; /* how many objects are being striped */
+ __u32 lmd_stripe_pattern; /* per-lov object stripe pattern */
+ struct lov_oinfo lmd_oinfo[0];
};
+struct lov_stripe_md_one {
+ __u32 lmd_magic;
+ __u32 lmd_easize; /* packed size for MDS of ea */
+ __u64 lmd_object_id; /* lov object id */
+ __u64 lmd_stripe_offset; /* offset of the stripe */
+ __u64 lmd_stripe_size; /* size of the stripe */
+ __u32 lmd_stripe_count; /* how many objects are being striped */
+ __u32 lmd_stripe_pattern; /* per-lov object stripe pattern */
+ struct lov_oinfo lmd_oinfo[1];
+};
/* Individual type definitions */
struct vfsmount *e2_vfsmnt;
};
+#define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
+#define OBD_CTXT_DEBUG /* development-only debugging */
+struct obd_run_ctxt {
+ struct vfsmount *pwdmnt;
+ struct dentry *pwd;
+ mm_segment_t fs;
+#ifdef OBD_CTXT_DEBUG
+ __u32 magic;
+#endif
+};
+
+#ifdef OBD_CTXT_DEBUG
+#define OBD_SET_CTXT_MAGIC(ctxt) (ctxt)->magic = OBD_RUN_CTXT_MAGIC
+#else
+#define OBD_SET_CTXT_MAGIC(ctxt) do {} while(0)
+#endif
+
struct filter_obd {
char *fo_fstype;
struct super_block *fo_sb;
struct address_space_operations *fo_aops;
};
-struct mds_client_info;
struct mds_server_data;
-struct mdc_obd {
- struct ptlrpc_client *mdc_client;
- struct ptlrpc_client *mdc_ldlm_client;
- struct ptlrpc_connection *mdc_conn;
- __u8 mdc_target_uuid[37];
+struct client_obd {
+ struct obd_import cl_import;
+ struct semaphore cl_sem;
+ int cl_conn_count;
+ __u8 cl_target_uuid[37]; /* XXX -> lustre_name */
+ int cl_max_mdsize;
};
struct mds_obd {
- struct ldlm_namespace *mds_local_namespace;
struct ptlrpc_service *mds_service;
- struct ptlrpc_client *mds_ldlm_client; /* to be an LDLM client */
- struct ptlrpc_connection *mds_ldlm_conn; /* to be an LDLM client */
char *mds_fstype;
struct super_block *mds_sb;
struct inode_operations *mds_iop;
struct address_space_operations *mds_aops;
struct mds_fs_operations *mds_fsops;
+ int mds_max_mdsize;
struct file *mds_rcvd_filp;
+ spinlock_t mds_last_lock;
__u64 mds_last_committed;
__u64 mds_last_rcvd;
__u64 mds_mount_count;
struct ll_fid mds_rootfid;
- int mds_client_count;
- struct list_head mds_client_info;
struct mds_server_data *mds_server_data;
};
};
struct recovd_obd {
- time_t recovd_waketime;
- time_t recovd_timeout;
- struct ptlrpc_service *recovd_service;
- struct ptlrpc_client *recovd_client;
- __u32 recovd_flags;
- __u32 recovd_wakeup_flag;
- spinlock_t recovd_lock;
- struct list_head recovd_clients_lh; /* clients managed */
- struct list_head recovd_troubled_lh; /* clients in trouble */
+ __u32 recovd_phase;
+ __u32 recovd_next_phase;
+ __u32 recovd_flags;
+ struct recovd_data *recovd_current_rd;
+ spinlock_t recovd_lock;
+ struct list_head recovd_managed_items; /* items managed */
+ struct list_head recovd_troubled_items; /* items in trouble */
wait_queue_head_t recovd_recovery_waitq;
wait_queue_head_t recovd_ctl_waitq;
wait_queue_head_t recovd_waitq;
- struct task_struct *recovd_thread;
+ struct task_struct *recovd_thread;
};
struct trace_obd {
int snap_tableno;
};
-struct raid1_obd {
- unsigned int raid1_count; /* how many replicas */
- /* devices to replicate on */
- struct obd_device *raid1_devlist[MAX_RAID1];
- /* connections we make */
- struct obd_conn_info raid1_connections[MAX_RAID1];
- struct list_head raid1_clients; /* clients we have */
-};
#endif
struct ost_obd {
struct ptlrpc_service *ost_service;
- struct obd_device *ost_tgt; /* the exported OBD */
- struct obd_conn ost_conn; /* the local connection to the OBD */
+ struct lustre_handle ost_conn; /* the local connection to the OBD */
};
-struct osc_obd {
- struct obd_device *osc_tgt;
- struct ptlrpc_client *osc_client;
- struct ptlrpc_client *osc_ldlm_client;
- struct ptlrpc_connection *osc_conn;
- __u8 osc_target_uuid[37];
-};
-typedef __u8 uuid_t[37];
+struct lov_tgt_desc {
+ uuid_t uuid;
+ struct lustre_handle conn;
+};
-#define MAX_MULTI 16
struct lov_obd {
- __u32 lov_default_count;
- __u32 lov_default_pattern;
- __u32 lov_default_size;
- uuid_t lov_service_uuids[MAX_MULTI];
+ struct obd_device *mdcobd;
+ struct lov_desc desc;
+ int bufsize;
+ struct lov_tgt_desc *tgts;
+};
-#if 0
- int lov_count;
- struct obd_conn *lov_targets;
-#endif
+struct niobuf_local {
+ __u64 offset;
+ __u32 len;
+ __u32 xid;
+ __u32 flags;
+ void *addr;
+ struct page *page;
+ void *target_private;
+ struct dentry *dentry;
};
+#define N_LOCAL_TEMP_PAGE 0x00000001
+
/* corresponds to one of the obd's */
struct obd_device {
struct obd_type *obd_type;
+
+ /* common and UUID name of this device */
char *obd_name;
__u8 obd_uuid[37];
int obd_minor;
int obd_flags;
- int obd_refcnt;
- struct obd_devicename obd_fsname;
struct proc_dir_entry *obd_proc_entry;
- int obd_multi_count;
- struct obd_conn obd_multi_conn[MAX_MULTI];
- unsigned int obd_gen_last_id;
- unsigned long obd_gen_prealloc_quota;
- struct list_head obd_gen_clients;
- struct list_head obd_req_list;
- wait_queue_head_t obd_req_waitq;
+ struct list_head obd_exports;
+ struct list_head obd_imports;
struct ldlm_namespace *obd_namespace;
+ struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
+ /* a spinlock is OK for what we do now, may need a semaphore later */
+ spinlock_t obd_dev_lock;
union {
struct ext2_obd ext2;
struct filter_obd filter;
struct mds_obd mds;
- struct mdc_obd mdc;
+ struct client_obd cli;
struct ost_obd ost;
- struct osc_obd osc;
+ // struct osc_obd osc;
struct ldlm_obd ldlm;
struct echo_obd echo;
struct recovd_obd recovd;
struct trace_obd trace;
struct lov_obd lov;
#if 0
- struct raid1_obd raid1;
struct snap_obd snap;
#endif
} u;
};
+struct io_cb_data;
+
struct obd_ops {
- int (*o_iocontrol)(long cmd, struct obd_conn *, int len, void *karg,
- void *uarg);
- int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
+ int (*o_iocontrol)(long cmd, struct lustre_handle *, int len,
+ void *karg, void *uarg);
+ int (*o_get_info)(struct lustre_handle *, obd_count keylen, void *key,
obd_count *vallen, void **val);
- int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
+ int (*o_set_info)(struct lustre_handle *, obd_count keylen, void *key,
obd_count vallen, void *val);
int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
int (*o_detach)(struct obd_device *dev);
int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
int (*o_cleanup)(struct obd_device *dev);
- int (*o_connect)(struct obd_conn *conn);
- int (*o_disconnect)(struct obd_conn *conn);
-
-
- int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
- int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
- int (*o_create)(struct obd_conn *conn, struct obdo *oa);
- int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
- int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
- int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
- int (*o_open)(struct obd_conn *conn, struct obdo *oa);
- int (*o_close)(struct obd_conn *conn, struct obdo *oa);
- int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
- obd_size *count, obd_off offset);
- int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
- obd_size *count, obd_off offset);
- int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
- struct obdo **oa, obd_count *oa_bufs, struct page **buf,
- obd_size *count, obd_off *offset, obd_flag *flags,
- void *);
- int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
+ int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
+ char *cluuid);
+ int (*o_disconnect)(struct lustre_handle *conn);
+
+
+ int (*o_statfs)(struct lustre_handle *conn, struct statfs *statfs);
+ int (*o_preallocate)(struct lustre_handle *, obd_count *req,
+ obd_id *ids);
+ int (*o_create)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md **ea);
+ int (*o_destroy)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *ea);
+ int (*o_setattr)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *ea);
+ int (*o_getattr)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *ea);
+ int (*o_open)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *);
+ int (*o_close)(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *);
+ int (*o_brw)(int rw, struct lustre_handle *conn,
+ struct lov_stripe_md *md, obd_count oa_bufs,
+ struct brw_page *pgarr, brw_callback_t callback,
+ struct io_cb_data *data);
+ int (*o_punch)(struct lustre_handle *conn, struct obdo *tgt,
+ struct lov_stripe_md *md, obd_size count,
obd_off offset);
- int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
- obd_off offset);
- int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
+ int (*o_sync)(struct lustre_handle *conn, struct obdo *tgt,
+ obd_size count, obd_off offset);
+ int (*o_migrate)(struct lustre_handle *conn, struct obdo *dst,
struct obdo *src, obd_size count, obd_off offset);
- int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
- struct obd_conn *srconn, struct obdo *src,
+ int (*o_copy)(struct lustre_handle *dstconn, struct obdo *dst,
+ struct lustre_handle *srconn, struct obdo *src,
obd_size count, obd_off offset);
- int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
+ int (*o_iterate)(struct lustre_handle *conn,
+ int (*)(obd_id, obd_gr, void *),
obd_id *startid, obd_gr group, void *data);
- int (*o_preprw)(int cmd, struct obd_conn *conn,
+ int (*o_preprw)(int cmd, struct lustre_handle *conn,
int objcount, struct obd_ioobj *obj,
int niocount, struct niobuf_remote *remote,
struct niobuf_local *local, void **desc_private);
- int (*o_commitrw)(int cmd, struct obd_conn *conn,
+ int (*o_commitrw)(int cmd, struct lustre_handle *conn,
int objcount, struct obd_ioobj *obj,
int niocount, struct niobuf_local *local,
void *desc_private);
- int (*o_enqueue)(struct obd_conn *conn,
- struct lustre_handle *parent_lock, __u64 *res_id,
+ int (*o_enqueue)(struct lustre_handle *conn, struct lov_stripe_md *md,
+ struct lustre_handle *parent_lock,
__u32 type, void *cookie, int cookielen, __u32 mode,
int *flags, void *cb, void *data, int datalen,
struct lustre_handle *lockh);
- int (*o_cancel)(struct obd_conn *, __u32 mode, struct lustre_handle *);
+ int (*o_cancel)(struct lustre_handle *, struct lov_stripe_md *md, __u32 mode, struct lustre_handle *);
};
+#if BITS_PER_LONG > 32
+#define LPU64 "%lu"
+#define LPD64 "%ld"
+#define LPX64 "%lx"
+#else
+#define LPU64 "%Lu"
+#define LPD64 "%Ld"
+#define LPX64 "%Lx"
+#endif
+
+static inline void *mds_fs_start(struct mds_obd *mds, struct inode *inode,
+ int op)
+{
+ return mds->mds_fsops->fs_start(inode, op);
+}
+
+static inline int mds_fs_commit(struct mds_obd *mds, struct inode *inode,
+ void *handle)
+{
+ return mds->mds_fsops->fs_commit(inode, handle);
+}
+
+static inline int mds_fs_setattr(struct mds_obd *mds, struct dentry *dentry,
+ void *handle, struct iattr *iattr)
+{
+ int rc;
+ /*
+ * NOTE: we probably don't need to take i_sem here when changing
+ * ATTR_SIZE because the MDS never needs to truncate a file.
+ * The ext2/ext3 code never truncates a directory, and files
+ * stored on the MDS are entirely sparse (no data blocks).
+ * If we do need to get it, we can do it here.
+ */
+ lock_kernel();
+ rc = mds->mds_fsops->fs_setattr(dentry, handle, iattr);
+ unlock_kernel();
+
+ return rc;
+}
+
+static inline int mds_fs_set_md(struct mds_obd *mds, struct inode *inode,
+ void *handle, struct lov_mds_md *md)
+{
+ return mds->mds_fsops->fs_set_md(inode, handle, md);
+}
+
+static inline int mds_fs_get_md(struct mds_obd *mds, struct inode *inode,
+ struct lov_mds_md *md)
+{
+ return mds->mds_fsops->fs_get_md(inode, md);
+}
+
+static inline ssize_t mds_fs_readpage(struct mds_obd *mds, struct file *file,
+ char *buf, size_t count, loff_t *offset)
+{
+ return mds->mds_fsops->fs_readpage(file, buf, count, offset);
+}
+
+/* Set up callback to update mds->mds_last_committed with the current
+ * value of mds->mds_last_recieved when this transaction is on disk.
+ */
+static inline int mds_fs_set_last_rcvd(struct mds_obd *mds, void *handle)
+{
+ return mds->mds_fsops->fs_set_last_rcvd(mds, handle);
+}
+
+/* Enable data journaling on the given file */
+static inline ssize_t mds_fs_journal_data(struct mds_obd *mds,
+ struct file *file)
+{
+ return mds->mds_fsops->fs_journal_data(file);
+}
+
+static inline int mds_fs_statfs(struct mds_obd *mds, struct statfs *sfs)
+{
+ if (mds->mds_fsops->fs_statfs)
+ return mds->mds_fsops->fs_statfs(mds->mds_sb, sfs);
+
+ return vfs_statfs(mds->mds_sb, sfs);
+}
+
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff