struct filter_fid {
struct lu_fid ff_parent;
struct ost_layout ff_layout;
+ __u32 ff_layout_version;
+ __u32 ff_range; /* range of layout version that
+ * write are allowed */
} __attribute__((packed));
/* Userspace should treat lu_fid as opaque, and only use the following methods
*/
#define LMA_OLD_SIZE (sizeof(struct lustre_mdt_attrs) + 5 * sizeof(__u64))
+enum {
+ LSOM_FL_VALID = 1 << 0,
+};
+
+struct lustre_som_attrs {
+ __u16 lsa_valid;
+ __u16 lsa_reserved[3];
+ __u64 lsa_size;
+ __u64 lsa_blocks;
+};
+
/**
* OST object IDentifier.
*/
};
/*
+ * Maximum number of mirrors currently implemented.
+ */
+#define LUSTRE_MIRROR_COUNT_MAX 16
+
+/* Lease types for use as arg and return of LL_IOC_{GET,SET}_LEASE ioctl. */
+enum ll_lease_mode {
+ LL_LEASE_RDLCK = 0x01,
+ LL_LEASE_WRLCK = 0x02,
+ LL_LEASE_UNLCK = 0x04,
+};
+
+enum ll_lease_flags {
+ LL_LEASE_RESYNC = 0x1,
+ LL_LEASE_RESYNC_DONE = 0x2,
+};
+
+#define IOC_IDS_MAX 4096
+struct ll_ioc_lease {
+ __u32 lil_mode;
+ __u32 lil_flags;
+ __u32 lil_count;
+ __u32 lil_ids[0];
+};
+
+/*
* 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)
#define LL_IOC_GET_CONNECT_FLAGS _IOWR('f', 174, __u64 *)
#define LL_IOC_GET_MDTIDX _IOR ('f', 175, int)
#define LL_IOC_FUTIMES_3 _IOWR('f', 176, struct ll_futimes_3)
+#define LL_IOC_FLR_SET_MIRROR _IOW ('f', 177, long)
/* lustre_ioctl.h 177-210 */
#define LL_IOC_HSM_STATE_GET _IOR('f', 211, struct hsm_user_state)
#define LL_IOC_HSM_STATE_SET _IOW('f', 212, struct hsm_state_set)
#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_IOC_SET_LEASE _IOWR('f', 243, long)
+#define LL_IOC_SET_LEASE _IOWR('f', 243, struct ll_ioc_lease)
+#define LL_IOC_SET_LEASE_OLD _IOWR('f', 243, long)
#define LL_IOC_GET_LEASE _IO('f', 244)
#define LL_IOC_HSM_IMPORT _IOWR('f', 245, struct hsm_user_import)
#define LL_IOC_LMV_SET_DEFAULT_STRIPE _IOWR('f', 246, struct lmv_user_md)
#define LL_IOC_FSSETXATTR FS_IOC_FSSETXATTR
-/* Lease types for use as arg and return of LL_IOC_{GET,SET}_LEASE ioctl. */
-enum ll_lease_type {
- LL_LEASE_RDLCK = 0x1,
- LL_LEASE_WRLCK = 0x2,
- LL_LEASE_UNLCK = 0x4,
-};
-
#define LL_STATFS_LMV 1
#define LL_STATFS_LOV 2
#define LL_STATFS_NODELAY 4
__u64 e_end;
};
-#define DEXT "[ %#llx , %#llx )"
+#define DEXT "[%#llx, %#llx)"
#define PEXT(ext) (ext)->e_start, (ext)->e_end
static inline bool lu_extent_is_overlapped(struct lu_extent *e1,
return e1->e_start < e2->e_end && e2->e_start < e1->e_end;
}
+static inline bool lu_extent_is_whole(struct lu_extent *e)
+{
+ return e->e_start == 0 && e->e_end == LUSTRE_EOF;
+}
+
enum lov_comp_md_entry_flags {
LCME_FL_PRIMARY = 0x00000001, /* Not used */
LCME_FL_STALE = 0x00000002, /* Not used */
#define LCME_KNOWN_FLAGS (LCME_FL_NEG | LCME_FL_INIT)
+/* the highest bit in obdo::o_layout_version is used to mark if the file is
+ * being resynced. */
+#define LU_LAYOUT_RESYNC LCME_FL_NEG
+
/* lcme_id can be specified as certain flags, and the the first
* bit of lcme_id is used to indicate that the ID is representing
* certain LCME_FL_* but not a real ID. Which implies we can have
__u64 lcme_padding[2];
} __attribute__((packed));
-enum lov_comp_md_flags;
+#define SEQ_ID_MAX 0x0000FFFF
+#define SEQ_ID_MASK SEQ_ID_MAX
+/* bit 30:16 of lcme_id is used to store mirror id */
+#define MIRROR_ID_MASK 0x7FFF0000
+#define MIRROR_ID_SHIFT 16
+
+static inline __u32 pflr_id(__u16 mirror_id, __u16 seqid)
+{
+ return ((mirror_id << MIRROR_ID_SHIFT) & MIRROR_ID_MASK) | seqid;
+}
+
+static inline __u16 mirror_id_of(__u32 id)
+{
+ return (id & MIRROR_ID_MASK) >> MIRROR_ID_SHIFT;
+}
+
+/**
+ * on-disk data for lcm_flags. Valid if lcm_magic is LOV_MAGIC_COMP_V1.
+ */
+enum lov_comp_md_flags {
+ /* the least 2 bits are used by FLR to record file state */
+ LCM_FL_NOT_FLR = 0,
+ LCM_FL_RDONLY = 1,
+ LCM_FL_WRITE_PENDING = 2,
+ LCM_FL_SYNC_PENDING = 3,
+ LCM_FL_FLR_MASK = 0x3,
+};
struct lov_comp_md_v1 {
__u32 lcm_magic; /* LOV_USER_MAGIC_COMP_V1 */
__u32 lcm_layout_gen;
__u16 lcm_flags;
__u16 lcm_entry_count;
- __u64 lcm_padding1;
+ /* lcm_mirror_count stores the number of actual mirrors minus 1,
+ * so that non-flr files will have value 0 meaning 1 mirror. */
+ __u16 lcm_mirror_count;
+ __u16 lcm_padding1[3];
__u64 lcm_padding2;
struct lov_comp_md_entry_v1 lcm_entries[0];
} __attribute__((packed));
+/*
+ * Maximum number of mirrors Lustre can support.
+ */
+#define LUSTRE_MIRROR_COUNT_MAX 16
+
static inline __u32 lov_user_md_size(__u16 stripes, __u32 lmm_magic)
{
if (stripes == (__u16)-1)
#define SWAP_LAYOUTS_KEEP_MTIME (1 << 2)
#define SWAP_LAYOUTS_KEEP_ATIME (1 << 3)
#define SWAP_LAYOUTS_CLOSE (1 << 4)
+#define MERGE_LAYOUTS_CLOSE (1 << 5)
+#define INTENT_LAYOUTS_CLOSE (SWAP_LAYOUTS_CLOSE | MERGE_LAYOUTS_CLOSE)
/* Swap XATTR_NAME_HSM as well, only on the MDT so far */
#define SWAP_LAYOUTS_MDS_HSM (1 << 31)
CL_CTIME = 18,
CL_ATIME = 19,
CL_MIGRATE = 20,
+ CL_FLRW = 21, /* FLR: file was firstly written */
+ CL_RESYNC = 22, /* FLR: file was resync-ed */
CL_LAST
};
static const char *changelog_str[] = {
"MARK", "CREAT", "MKDIR", "HLINK", "SLINK", "MKNOD", "UNLNK",
"RMDIR", "RENME", "RNMTO", "OPEN", "CLOSE", "LYOUT", "TRUNC",
- "SATTR", "XATTR", "HSM", "MTIME", "CTIME", "ATIME", "MIGRT"
+ "SATTR", "XATTR", "HSM", "MTIME", "CTIME", "ATIME", "MIGRT",
+ "FLRW", "RESYNC",
};
if (type >= 0 && type < CL_LAST)
/********* Misc **********/
struct ioc_data_version {
- __u64 idv_version;
- __u64 idv_flags; /* See LL_DV_xxx */
+ __u64 idv_version;
+ __u32 idv_layout_version; /* FLR: layout version for OST objects */
+ __u32 idv_flags; /* enum ioc_data_version_flags */
+};
+
+enum ioc_data_version_flags {
+ LL_DV_RD_FLUSH = (1 << 0), /* Flush dirty pages from clients */
+ LL_DV_WR_FLUSH = (1 << 1), /* Flush all caching pages from clients */
};
-#define LL_DV_RD_FLUSH (1 << 0) /* Flush dirty pages from clients */
-#define LL_DV_WR_FLUSH (1 << 1) /* Flush all caching pages from clients */
#ifndef offsetof
#define offsetof(typ, memb) ((unsigned long)((char *)&(((typ *)0)->memb)))
git://git.whamcloud.com / fs / lustre-release.git / blobdiff