/* struct rw_semaphore */
#include <linux/rwsem.h>
-/* handle_t, journal_start(), journal_stop() */
-#include <linux/jbd.h>
-/* struct dx_hash_info */
-#include <linux/ldiskfs_fs.h>
/* struct dentry */
#include <linux/dcache.h>
-#include <linux/lustre_iam.h>
/* struct dirent64 */
#include <linux/dirent.h>
+#ifdef HAVE_EXT4_LDISKFS
+#include <ldiskfs/ldiskfs.h>
+#include <ldiskfs/ldiskfs_jbd2.h>
+#define osd_journal_callback_set(handle, func, jcb) jbd2_journal_callback_set(handle, func, jcb)
+#else
+#include <linux/jbd.h>
+#include <linux/ldiskfs_fs.h>
+#include <linux/ldiskfs_jbd.h>
+#define osd_journal_callback_set(handle, func, jcb) journal_callback_set(handle, func, jcb)
+#endif
+
+
/* LUSTRE_OSD_NAME */
#include <obd.h>
/* class_register_type(), class_unregister_type(), class_get_type() */
#include <dt_object.h>
#include "osd_oi.h"
+#include "osd_iam.h"
struct inode;
__u32 od_iop_mode;
};
+/**
+ * Storage representation for fids.
+ *
+ * Variable size, first byte contains the length of the whole record.
+ */
+struct osd_fid_pack {
+ unsigned char fp_len;
+ char fp_area[sizeof(struct lu_fid)];
+};
+
struct osd_it_ea_dirent {
__u64 oied_ino;
__u64 oied_off;
unsigned short oied_namelen;
+ unsigned int oied_type;
char oied_name[0];
} __attribute__((packed));
struct osd_object *oie_obj;
/** used in ldiskfs iterator, to stored file pointer */
struct file oie_file;
- /** current file position */
- __u64 oie_curr_pos;
- /** next file position */
- __u64 oie_next_pos;
/** how many entries have been read-cached from storage */
int oie_rd_dirent;
/** current entry is being iterated by caller */
struct lustre_capa_key oti_capa_key;
struct lustre_capa oti_capa;
- struct lu_fid_pack oti_pack;
-
/**
* following ipd and it structures are used for osd_index_iam_lookup()
* these are defined separately as we might do index operation
#ifdef HAVE_QUOTA_SUPPORT
struct osd_ctxt oti_ctxt;
#endif
+ struct lu_env oti_obj_delete_tx_env;
+#define OSD_FID_REC_SZ 32
+ char oti_fid_packed[OSD_FID_REC_SZ];
};
#ifdef LPROCFS
int osd_statfs(const struct lu_env *env, struct dt_device *dev,
struct kstatfs *sfs);
+/*
+ * Invariants, assertions.
+ */
+
+/*
+ * XXX: do not enable this, until invariant checking code is made thread safe
+ * in the face of pdirops locking.
+ */
+#define OSD_INVARIANT_CHECKS (0)
+
+#if OSD_INVARIANT_CHECKS
+static inline int osd_invariant(const struct osd_object *obj)
+{
+ return
+ obj != NULL &&
+ ergo(obj->oo_inode != NULL,
+ obj->oo_inode->i_sb == osd_sb(osd_obj2dev(obj)) &&
+ atomic_read(&obj->oo_inode->i_count) > 0) &&
+ ergo(obj->oo_dir != NULL &&
+ obj->oo_dir->od_conationer.ic_object != NULL,
+ obj->oo_dir->od_conationer.ic_object == obj->oo_inode);
+}
+#else
+#define osd_invariant(obj) (1)
+#endif
+
#endif /* __KERNEL__ */
#endif /* _OSD_INTERNAL_H */