LU-9771 flr: resync support and test tool

[fs/lustre-release.git] / lustre / include / uapi / linux / lustre / lustre_user.h

diff --git a/lustre/include/uapi/linux/lustre/lustre_user.h b/lustre/include/uapi/linux/lustre/lustre_user.h
index cf3c908..349625c 100644 (file)
--- a/lustre/include/uapi/linux/lustre/lustre_user.h
+++ b/lustre/include/uapi/linux/lustre/lustre_user.h
@@ -193,6 +193,9 @@ struct filter_fid_old {
 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
@@ -274,6 +277,17 @@ struct lustre_ost_attrs {
  */
 #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.
  */
@@ -301,6 +315,31 @@ struct ll_futimes_3 {
 };
 
 /*
+ * 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)
@@ -339,6 +378,7 @@ struct ll_futimes_3 {
 #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)
@@ -356,7 +396,8 @@ struct ll_futimes_3 {
 #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)
@@ -383,13 +424,6 @@ struct fsxattr {
 #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
@@ -513,7 +547,7 @@ struct lu_extent {
        __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,
@@ -539,6 +573,10 @@ enum lov_comp_md_entry_flags {
 
 #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
@@ -934,6 +972,8 @@ enum changelog_rec_type {
        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
 };
 
@@ -941,7 +981,8 @@ static inline const char *changelog_type2str(int type) {
        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)
@@ -1221,11 +1262,15 @@ enum changelog_message_type {
 /********* 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)))