/* struct dentry */
#include <linux/dcache.h>
#include <linux/lustre_iam.h>
+/* struct dirent64 */
+#include <linux/dirent.h>
/* LUSTRE_OSD_NAME */
#include <obd.h>
struct inode;
+#define OSD_OII_NOGEN (0)
+#define OSD_COUNTERS (0)
+
+#ifdef HAVE_QUOTA_SUPPORT
+struct osd_ctxt {
+ __u32 oc_uid;
+ __u32 oc_gid;
+ __u32 oc_cap;
+};
+#endif
+
/*
* osd device.
*/
* XXX temporary stuff for object index: directory where every object
* is named by its fid.
*/
- struct dentry *od_obj_area;
+ struct dt_object *od_obj_area;
/* Environment for transaction commit callback.
* Currently, OSD is based on ext3/JBD. Transaction commit in ext3/JBD
__u32 od_capa_alg;
struct lustre_capa_key *od_capa_keys;
struct hlist_head *od_capa_hash;
-
+
cfs_proc_dir_entry_t *od_proc_entry;
struct lprocfs_stats *od_stats;
/*
cfs_time_t od_osfs_age;
struct kstatfs od_kstatfs;
spinlock_t od_osfs_lock;
+
+ /**
+ * The following flag indicates, if it is interop mode or not.
+ * It will be initialized, using mount param.
+ */
+ __u32 od_iop_mode;
+};
+
+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));
+
+#define OSD_IT_EA_BUFSIZE CFS_PAGE_SIZE
+
+/**
+ * This is iterator's in-memory data structure in interoperability
+ * mode (i.e. iterator over ldiskfs style directory)
+ */
+struct osd_it_ea {
+ struct osd_object *oie_obj;
+ /** used in ldiskfs iterator, to stored file pointer */
+ struct file oie_file;
+ /** how many entries have been read-cached from storage */
+ int oie_rd_dirent;
+ /** current entry is being iterated by caller */
+ int oie_it_dirent;
+ /** current processing entry */
+ struct osd_it_ea_dirent *oie_dirent;
+ /** buffer to hold entries, size == OSD_IT_EA_BUFSIZE */
+ void *oie_buf;
};
+/**
+ * Iterator's in-memory data structure for IAM mode.
+ */
+struct osd_it_iam {
+ struct osd_object *oi_obj;
+ struct iam_path_descr *oi_ipd;
+ struct iam_iterator oi_it;
+};
struct osd_thread_info {
const struct lu_env *oti_env;
+ /**
+ * used for index operations.
+ */
+ struct dentry oti_obj_dentry;
+ struct dentry oti_child_dentry;
+
+ /** dentry for Iterator context. */
+ struct dentry oti_it_dentry;
struct lu_fid oti_fid;
struct osd_inode_id oti_id;
/*
* XXX temporary: for ->i_op calls.
*/
- struct qstr oti_str;
struct txn_param oti_txn;
- /*
- * XXX temporary: fake dentry used by xattr calls.
- */
- struct dentry oti_dentry;
struct timespec oti_time;
+ struct timespec oti_time2;
/*
* XXX temporary: fake struct file for osd_object_sync
*/
struct lu_fid_pack oti_pack;
- /* union to guarantee that ->oti_ipd[] has proper alignment. */
+ /**
+ * following ipd and it structures are used for osd_index_iam_lookup()
+ * these are defined separately as we might do index operation
+ * in open iterator session.
+ */
+
+ /** osd iterator context used for iterator session */
+
+ union {
+ struct osd_it_iam oti_it;
+ /** ldiskfs iterator data structure, see osd_it_ea_{init, fini} */
+ struct osd_it_ea oti_it_ea;
+ };
+
+ /** pre-allocated buffer used by oti_it_ea, size OSD_IT_EA_BUFSIZE */
+ void *oti_it_ea_buf;
+
+ /** IAM iterator for index operation. */
+ struct iam_iterator oti_idx_it;
+
+ /** union to guarantee that ->oti_ipd[] has proper alignment. */
union {
- char oti_ipd[DX_IPD_MAX_SIZE];
+ char oti_it_ipd[DX_IPD_MAX_SIZE];
long long oti_alignment_lieutenant;
};
+
+ union {
+ char oti_idx_ipd[DX_IPD_MAX_SIZE];
+ long long oti_alignment_lieutenant_colonel;
+ };
+
+
int oti_r_locks;
int oti_w_locks;
int oti_txns;
+ /** used in osd_fid_set() to put xattr */
+ struct lu_buf oti_buf;
+ /** used in osd_ea_fid_set() to set fid into common ea */
+ struct lustre_mdt_attrs oti_mdt_attrs;
+#ifdef HAVE_QUOTA_SUPPORT
+ struct osd_ctxt oti_ctxt;
+#endif
+ struct lu_env oti_obj_delete_tx_env;
};
#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 */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff