#include <linux/smp_lock.h>
#include <linux/proc_fs.h>
+#include <linux/lustre_lib.h>
#include <linux/lustre_idl.h>
+#include <linux/lustre_mds.h>
+#include <linux/lustre_export.h>
struct obd_type {
struct list_head typ_chain;
int typ_refcnt;
};
-struct io_cb_data;
-typedef int (*brw_callback_t)(struct io_cb_data *, int err, int phase);
struct brw_page {
struct page *pg;
obd_size count;
obd_flag flag;
};
+struct lov_oinfo { /* per-child structure */
+ __u64 loi_id;
+ __u64 loi_size;
+};
+
+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 ext2_obd {
#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 mds_server_data;
struct client_obd {
- struct ptlrpc_client *cl_client;
- struct ptlrpc_client *cl_ldlm_client;
- struct ptlrpc_connection *cl_conn;
- struct lustre_handle cl_exporth;
- struct semaphore cl_sem;
- int cl_conn_count;
- __u8 cl_target_uuid[37];
- int cl_max_mdsize;
+ 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 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 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 obd_minor;
int obd_flags;
struct proc_dir_entry *obd_proc_entry;
- struct list_head obd_exports;
- struct list_head obd_imports;
+ 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;
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