struct obd_statfs;
-/*
+/*
* The ioctl naming rules:
* LL_* - works on the currently opened filehandle instead of parent dir
* *_OBD_* - gets data for both OSC or MDC (LOV, LMV indirectly)
}
/* For printf's only, make sure uuid is terminated */
-static inline char *obd_uuid2str(struct obd_uuid *uuid)
+static inline char *obd_uuid2str(struct obd_uuid *uuid)
{
if (uuid->uuid[sizeof(*uuid) - 1] != '\0') {
/* Obviously not safe, but for printfs, no real harm done...
return (char *)(uuid->uuid);
}
+
+/**
+ * File IDentifier.
+ *
+ * FID is a cluster-wide unique identifier of a file or an object (stripe).
+ * FIDs are never reused.
+ */
+struct lu_fid {
+ /**
+ * FID sequence. Sequence is a unit of migration: all files (objects)
+ * with FIDs from a given sequence are stored on the same server.
+ * Lustre should support 2^64 objects, so even if each sequence
+ * has only a single object we can still enumerate 2^64 objects.
+ */
+ __u64 f_seq;
+ /** FID number within sequence. */
+ __u32 f_oid;
+ /**
+ * FID version, used to distinguish different versions (in the sense
+ * of snapshots, etc.) of the same file system object. Not currently
+ * used.
+ */
+ __u32 f_ver;
+};
+
+/* Userspace should treat lu_fid as opaque, and only use the following methods
+ to print or parse them. Other functions (e.g. compare, swab) could be moved
+ here from lustre_idl.h if needed. */
+typedef struct lu_fid lustre_fid;
+
+/* printf display format
+ e.g. printf("file FID is "DFID"\n", PFID(fid)); */
+#define DFID "["LPX64":0x%x:0x%x]"
+#define PFID(fid) \
+ (fid)->f_seq, \
+ (fid)->f_oid, \
+ (fid)->f_ver
+
+/* scanf input parse format -- strip '[' first.
+ e.g. sscanf(fidstr, SFID, RFID(&fid)); */
+#define SFID "0x%llx:0x%x:0x%x"
+#define RFID(fid) \
+ &((fid)->f_seq), \
+ &((fid)->f_oid), \
+ &((fid)->f_ver)
+
+
+/********* Quotas **********/
+
/* these must be explicitly translated into linux Q_* in ll_dir_ioctl */
#define LUSTRE_Q_QUOTAON 0x800002 /* turn quotas on */
#define LUSTRE_Q_QUOTAOFF 0x800003 /* turn quotas off */
#define LUSTRE_Q_FINVALIDATE 0x80000c /* invalidate filter quota data */
#define UGQUOTA 2 /* set both USRQUOTA and GRPQUOTA */
+#define IMMQUOTA 0x4 /* set immutable quota flag, cannot be turned on/off
+ * on-fly. temporary used by SOM */
struct if_quotacheck {
char obd_type[16];
struct obd_uuid obd_uuid;
};
+struct ioc_changelog_clear {
+ __u32 icc_mdtindex;
+ __u32 icc_id;
+ __u64 icc_recno;
+};
+
#ifndef offsetof
# define offsetof(typ,memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
#endif
-#define mdd_dot_lustre_name ".lustre"
+#define dot_lustre_name ".lustre"
#endif /* _LUSTRE_USER_H */