__u32 os_spare9;
};
+/**
+ * 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;
+};
+
+struct filter_fid {
+ struct lu_fid ff_parent; /* ff_parent.f_ver == file stripe number */
+ __u64 ff_objid;
+ __u64 ff_seq;
+};
+
+/* 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;
/*
* The ioctl naming rules:
#define LL_IOC_HSM_PROGRESS _IOW('f', 216, struct hsm_user_request)
#define LL_IOC_HSM_REQUEST _IOW('f', 217, struct hsm_user_request)
#define LL_IOC_DATA_VERSION _IOR('f', 218, struct ioc_data_version)
-/* 219 is reserved for swap layouts */
+#define LL_IOC_LOV_SWAP_LAYOUTS _IOW('f', 219, \
+ struct lustre_swap_layouts)
#define LL_IOC_HSM_ACTION _IOR('f', 220, \
struct hsm_current_action)
/* see <lustre_lib.h> for ioctl numbers 221-232 */
+#define LL_IOC_LMV_SETSTRIPE _IOWR('f', 240, struct lmv_user_md)
+#define LL_IOC_LMV_GETSTRIPE _IOWR('f', 241, struct lmv_user_md)
+#define LL_IOC_REMOVE_ENTRY _IOWR('f', 242, __u64)
+
#define LL_STATFS_LMV 1
#define LL_STATFS_LOV 2
#define LL_STATFS_NODELAY 4
#define LOV_USER_MAGIC_JOIN_V1 0x0BD20BD0
#define LOV_USER_MAGIC_V3 0x0BD30BD0
+#define LMV_MAGIC_V1 0x0CD10CD0 /*normal stripe lmv magic */
+#define LMV_USER_MAGIC 0x0CD20CD0 /*default lmv magic*/
+
#define LOV_PATTERN_RAID0 0x001
#define LOV_PATTERN_RAID1 0x002
#define LOV_PATTERN_FIRST 0x100
#define LOV_POOLNAMEF "%.16s"
#define LOV_MIN_STRIPE_BITS 16 /* maximum PAGE_SIZE (ia64), power of 2 */
-#define LOV_MIN_STRIPE_SIZE (1<<LOV_MIN_STRIPE_BITS)
+#define LOV_MIN_STRIPE_SIZE (1 << LOV_MIN_STRIPE_BITS)
#define LOV_MAX_STRIPE_COUNT_OLD 160
/* This calculation is crafted so that input of 4096 will result in 160
* which in turn is equal to old maximal stripe count.
} __attribute__((packed));
#endif
+/* keep this to be the same size as lov_user_ost_data_v1 */
+struct lmv_user_mds_data {
+ struct lu_fid lum_fid;
+ __u32 lum_padding;
+ __u32 lum_mds;
+};
+
+/* lum_type */
+enum {
+ LMV_STRIPE_TYPE = 0,
+ LMV_DEFAULT_TYPE = 1,
+};
+
+#define lmv_user_md lmv_user_md_v1
+struct lmv_user_md_v1 {
+ __u32 lum_magic; /* must be the first field */
+ __u32 lum_stripe_count; /* dirstripe count */
+ __u32 lum_stripe_offset; /* MDT idx for default dirstripe */
+ __u32 lum_hash_type; /* Dir stripe policy */
+ __u32 lum_type; /* LMV type: default or normal */
+ __u32 lum_padding1;
+ __u32 lum_padding2;
+ __u32 lum_padding3;
+ char lum_pool_name[LOV_MAXPOOLNAME];
+ struct lmv_user_mds_data lum_objects[0];
+};
+
+static inline int lmv_user_md_size(int stripes, int lmm_magic)
+{
+ return sizeof(struct lmv_user_md) +
+ stripes * sizeof(struct lmv_user_mds_data);
+}
+
+extern void lustre_swab_lmv_user_md(struct lmv_user_md *lum);
+
struct ll_recreate_obj {
__u64 lrc_id;
__u32 lrc_ost_idx;
*p = '\0';
}
-/**
- * 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;
-};
-
-struct filter_fid {
- struct lu_fid ff_parent; /* ff_parent.f_ver == file stripe number */
- __u64 ff_objid;
- __u64 ff_seq;
-};
-
-/* 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_NOBRACE LPX64":0x%x:0x%x"
struct obd_uuid obd_uuid;
};
+struct lustre_swap_layouts {
+ __u64 sl_flags;
+ __u32 sl_fd;
+ __u32 sl_gid;
+};
+
/********* Changelogs **********/
/** Changelog record types */
/** Compute the current length of the provided hsm_user_request. */
static inline int hur_len(struct hsm_user_request *hur)
{
- int data_offset;
-
- data_offset = hur_data(hur) - (void *)hur;
- data_offset += hur->hur_request.hr_data_len;
- return data_offset;
+ return offsetof(struct hsm_user_request,
+ hur_user_item[hur->hur_request.hr_itemcount]) +
+ hur->hur_request.hr_data_len;
}
/****** HSM RPCs to copytool *****/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff