X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;ds=sidebyside;f=lustre%2Finclude%2Flustre%2Flustre_user.h;h=9ed47bcaddc427afcb3c09c9f1a40aa7fd93198c;hb=b40f6327bb19b682bb920cee5d33055fe5f3e20f;hp=ef02f90964fa3305527527dc015b699fcf4e3a75;hpb=ead6f5b2b5d3e151b4f98404bb0d253ccb992d6a;p=fs%2Flustre-release.git diff --git a/lustre/include/lustre/lustre_user.h b/lustre/include/lustre/lustre_user.h index ef02f90..9ed47bc 100644 --- a/lustre/include/lustre/lustre_user.h +++ b/lustre/include/lustre/lustre_user.h @@ -27,7 +27,7 @@ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2010, 2012, Intel Corporation. + * Copyright (c) 2010, 2013, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -47,7 +47,9 @@ */ #ifndef __KERNEL__ +#include #include +#include #endif #include #if defined(__linux__) @@ -60,6 +62,12 @@ #error Unsupported operating system. #endif +#ifdef __cplusplus +#define LUSTRE_ANONYMOUS_UNION_NAME u +#else +#define LUSTRE_ANONYMOUS_UNION_NAME +#endif + /* for statfs() */ #define LL_SUPER_MAGIC 0x0BD00BD0 @@ -134,9 +142,14 @@ struct lu_fid { }; struct filter_fid { - struct lu_fid ff_parent; /* ff_parent.f_ver == file stripe number */ - __u64 ff_objid; - __u64 ff_seq; + struct lu_fid ff_parent; /* ff_parent.f_ver == file stripe number */ +}; + +/* keep this one for compatibility */ +struct filter_fid_old { + struct lu_fid ff_parent; + __u64 ff_objid; + __u64 ff_seq; }; /* Userspace should treat lu_fid as opaque, and only use the following methods @@ -144,6 +157,50 @@ struct filter_fid { * here from lustre_idl.h if needed. */ typedef struct lu_fid lustre_fid; +/** + * Following struct for object attributes, that will be kept inode's EA. + * Introduced in 2.0 release (please see b15993, for details) + * Added to all objects since Lustre 2.4 as contains self FID + */ +struct lustre_mdt_attrs { + /** + * Bitfield for supported data in this structure. From enum lma_compat. + * lma_self_fid and lma_flags are always available. + */ + __u32 lma_compat; + /** + * Per-file incompat feature list. Lustre version should support all + * flags set in this field. The supported feature mask is available in + * LMA_INCOMPAT_SUPP. + */ + __u32 lma_incompat; + /** FID of this inode */ + struct lu_fid lma_self_fid; +}; + +/** + * Prior to 2.4, the LMA structure also included SOM attributes which has since + * been moved to a dedicated xattr + * lma_flags was also removed because of lma_compat/incompat fields. + */ +#define LMA_OLD_SIZE (sizeof(struct lustre_mdt_attrs) + 5 * sizeof(__u64)) + +/** + * OST object IDentifier. + */ +struct ost_id { + union { + struct ostid { + __u64 oi_id; + __u64 oi_seq; + } oi; + struct lu_fid oi_fid; + } LUSTRE_ANONYMOUS_UNION_NAME; +}; + +#define DOSTID LPX64":"LPU64 +#define POSTID(oi) ostid_seq(oi), ostid_id(oi) + /* * The ioctl naming rules: * LL_* - works on the currently opened filehandle instead of parent dir @@ -203,12 +260,15 @@ typedef struct lu_fid lustre_fid; struct hsm_current_action) /* see 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_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_GET_LEASE _IO('f', 244) +#define LL_IOC_HSM_IMPORT _IOWR('f', 245, struct hsm_user_import) -#define LL_STATFS_LMV 1 -#define LL_STATFS_LOV 2 +#define LL_STATFS_LMV 1 +#define LL_STATFS_LOV 2 #define LL_STATFS_NODELAY 4 #define IOC_MDC_TYPE 'i' @@ -270,20 +330,21 @@ typedef struct lu_fid lustre_fid; #define LOV_ALL_STRIPES 0xffff /* only valid for directories */ #define LOV_V1_INSANE_STRIPE_COUNT 65532 /* maximum stripe count bz13933 */ +#define XATTR_LUSTRE_PREFIX "lustre." +#define XATTR_LUSTRE_LOV XATTR_LUSTRE_PREFIX"lov" + #define lov_user_ost_data lov_user_ost_data_v1 struct lov_user_ost_data_v1 { /* per-stripe data structure */ - __u64 l_object_id; /* OST object ID */ - __u64 l_object_seq; /* OST object seq number */ - __u32 l_ost_gen; /* generation of this OST index */ - __u32 l_ost_idx; /* OST index in LOV */ + struct ost_id l_ost_oi; /* OST object ID */ + __u32 l_ost_gen; /* generation of this OST index */ + __u32 l_ost_idx; /* OST index in LOV */ } __attribute__((packed)); #define lov_user_md lov_user_md_v1 struct lov_user_md_v1 { /* LOV EA user data (host-endian) */ __u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V1 */ __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */ - __u64 lmm_object_id; /* LOV object ID */ - __u64 lmm_object_seq; /* LOV object seq */ + struct ost_id lmm_oi; /* LOV object ID */ __u32 lmm_stripe_size; /* size of stripe in bytes */ __u16 lmm_stripe_count; /* num stripes in use for this object */ union { @@ -298,8 +359,7 @@ struct lov_user_md_v1 { /* LOV EA user data (host-endian) */ struct lov_user_md_v3 { /* LOV EA user data (host-endian) */ __u32 lmm_magic; /* magic number = LOV_USER_MAGIC_V3 */ __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */ - __u64 lmm_object_id; /* LOV object ID */ - __u64 lmm_object_seq; /* LOV object seq */ + struct ost_id lmm_oi; /* LOV object ID */ __u32 lmm_stripe_size; /* size of stripe in bytes */ __u16 lmm_stripe_count; /* num stripes in use for this object */ union { @@ -312,6 +372,16 @@ struct lov_user_md_v3 { /* LOV EA user data (host-endian) */ struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */ } __attribute__((packed)); +static inline __u32 lov_user_md_size(__u16 stripes, __u32 lmm_magic) +{ + if (lmm_magic == LOV_USER_MAGIC_V3) + return sizeof(struct lov_user_md_v3) + + stripes * sizeof(struct lov_user_ost_data_v1); + else + return sizeof(struct lov_user_md_v1) + + stripes * sizeof(struct lov_user_ost_data_v1); +} + /* Compile with -D_LARGEFILE64_SOURCE or -D_GNU_SOURCE (or #define) to * use this. It is unsafe to #define those values in this header as it * is possible the application has already #included . */ @@ -380,10 +450,10 @@ struct obd_uuid { char uuid[UUID_MAX]; }; -static inline int obd_uuid_equals(const struct obd_uuid *u1, - const struct obd_uuid *u2) +static inline bool obd_uuid_equals(const struct obd_uuid *u1, + const struct obd_uuid *u2) { - return strcmp((char *)u1->uuid, (char *)u2->uuid) == 0; + return strcmp((char *)u1->uuid, (char *)u2->uuid) == 0; } static inline int obd_uuid_empty(struct obd_uuid *uuid) @@ -398,8 +468,11 @@ static inline void obd_str2uuid(struct obd_uuid *uuid, const char *tmp) } /* For printf's only, make sure uuid is terminated */ -static inline char *obd_uuid2str(struct obd_uuid *uuid) +static inline char *obd_uuid2str(const struct obd_uuid *uuid) { + if (uuid == NULL) + return NULL; + if (uuid->uuid[sizeof(*uuid) - 1] != '\0') { /* Obviously not safe, but for printfs, no real harm done... we're always null-terminated, even in a race. */ @@ -427,6 +500,8 @@ static inline void obd_uuid2fsname(char *buf, char *uuid, int buflen) /* printf display format e.g. printf("file FID is "DFID"\n", PFID(fid)); */ +#define FID_NOBRACE_LEN 40 +#define FID_LEN (FID_NOBRACE_LEN + 2) #define DFID_NOBRACE LPX64":0x%x:0x%x" #define DFID "["DFID_NOBRACE"]" #define PFID(fid) \ @@ -573,10 +648,13 @@ struct if_quotactl { }; /* swap layout flags */ -#define SWAP_LAYOUTS_CHECK_DV1 (1 << 0) -#define SWAP_LAYOUTS_CHECK_DV2 (1 << 1) -#define SWAP_LAYOUTS_KEEP_MTIME (1 << 2) -#define SWAP_LAYOUTS_KEEP_ATIME (1 << 3) +#define SWAP_LAYOUTS_CHECK_DV1 (1 << 0) +#define SWAP_LAYOUTS_CHECK_DV2 (1 << 1) +#define SWAP_LAYOUTS_KEEP_MTIME (1 << 2) +#define SWAP_LAYOUTS_KEEP_ATIME (1 << 3) + +/* Swap XATTR_NAME_HSM as well, only on the MDT so far */ +#define SWAP_LAYOUTS_MDS_HSM (1 << 31) struct lustre_swap_layouts { __u64 sl_flags; __u32 sl_fd; @@ -601,22 +679,24 @@ enum changelog_rec_type { CL_EXT = 9, /* namespace extended record (2nd half of rename) */ CL_OPEN = 10, /* not currently used */ CL_CLOSE = 11, /* may be written to log only with mtime change */ - CL_IOCTL = 12, - CL_TRUNC = 13, - CL_SETATTR = 14, - CL_XATTR = 15, - CL_HSM = 16, /* HSM specific events, see flags */ - CL_MTIME = 17, /* Precedence: setattr > mtime > ctime > atime */ - CL_CTIME = 18, - CL_ATIME = 19, - CL_LAST + CL_LAYOUT = 12, /* file layout/striping modified */ + CL_TRUNC = 13, + CL_SETATTR = 14, + CL_XATTR = 15, + CL_HSM = 16, /* HSM specific events, see flags */ + CL_MTIME = 17, /* Precedence: setattr > mtime > ctime > atime */ + CL_CTIME = 18, + CL_ATIME = 19, + CL_LAST }; 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", "IOCTL", "TRUNC", - "SATTR", "XATTR", "HSM", "MTIME", "CTIME", "ATIME" }; + "RMDIR", "RENME", "RNMTO", "OPEN", "CLOSE", "LYOUT", "TRUNC", + "SATTR", "XATTR", "HSM", "MTIME", "CTIME", "ATIME", + }; + if (type >= 0 && type < CL_LAST) return changelog_str[type]; return NULL; @@ -634,7 +714,10 @@ static inline const char *changelog_type2str(int type) { #define CLF_UNLINK_HSM_EXISTS 0x0002 /* File has something in HSM */ /* HSM cleaning needed */ /* Flags for rename */ -#define CLF_RENAME_LAST 0x0001 /* rename unlink last hardlink of target */ +#define CLF_RENAME_LAST 0x0001 /* rename unlink last hardlink + * of target */ +#define CLF_RENAME_LAST_EXISTS 0x0002 /* rename unlink last hardlink of target + * has an archive in backend */ /* Flags for HSM */ /* 12b used (from high weight to low weight): @@ -677,7 +760,8 @@ enum hsm_event { static inline enum hsm_event hsm_get_cl_event(__u16 flags) { - return CLF_GET_BITS(flags, CLF_HSM_EVENT_H, CLF_HSM_EVENT_L); + return (enum hsm_event)CLF_GET_BITS(flags, CLF_HSM_EVENT_H, + CLF_HSM_EVENT_L); } static inline void hsm_set_cl_event(int *flags, enum hsm_event he) @@ -705,7 +789,8 @@ static inline void hsm_set_cl_error(int *flags, int error) *flags |= (error << CLF_HSM_ERR_L); } -#define CR_MAXSIZE cfs_size_round(2*NAME_MAX + 1 + sizeof(struct changelog_rec)) +#define CR_MAXSIZE cfs_size_round(2*NAME_MAX + 1 + \ + sizeof(struct changelog_ext_rec)) struct changelog_rec { __u16 cr_namelen; @@ -787,11 +872,11 @@ struct ioc_data_version { __u64 idv_version; __u64 idv_flags; /* See LL_DV_xxx */ }; -#define LL_DV_NOFLUSH 0x01 /* Do not take READ EXTENT LOCK before sampling - version. Dirty caches are left unchanged. */ +#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))) +#define offsetof(typ, memb) ((unsigned long)((char *)&(((typ *)0)->memb))) #endif #define dot_lustre_name ".lustre" @@ -834,7 +919,7 @@ enum hsm_progress_states { }; #define HPS_NONE 0 -static inline char *hsm_progress_state2name(enum hsm_progress_states s) +static inline const char *hsm_progress_state2name(enum hsm_progress_states s) { switch (s) { case HPS_WAITING: return "waiting"; @@ -896,7 +981,7 @@ enum hsm_user_action { HUA_CANCEL = 14 /* cancel a request */ }; -static inline char *hsm_user_action2name(enum hsm_user_action a) +static inline const char *hsm_user_action2name(enum hsm_user_action a) { switch (a) { case HUA_NONE: return "NOOP"; @@ -950,8 +1035,8 @@ static inline void *hur_data(struct hsm_user_request *hur) /** Compute the current length of the provided hsm_user_request. */ static inline int hur_len(struct hsm_user_request *hur) { - return offsetof(struct hsm_user_request, - hur_user_item[hur->hur_request.hr_itemcount]) + + return offsetof(struct hsm_user_request, hur_user_item[0]) + + hur->hur_request.hr_itemcount * sizeof(hur->hur_user_item[0]) + hur->hur_request.hr_data_len; } @@ -970,7 +1055,7 @@ enum hsm_copytool_action { HSMA_CANCEL = 23 }; -static inline char *hsm_copytool_action2name(enum hsm_copytool_action a) +static inline const char *hsm_copytool_action2name(enum hsm_copytool_action a) { switch (a) { case HSMA_NONE: return "NOOP"; @@ -1002,7 +1087,7 @@ struct hsm_action_item { * \param len [IN] max buffer len * \retval buffer */ -static inline char *hai_dump_data_field(struct hsm_action_item *hai, +static inline char *hai_dump_data_field(const struct hsm_action_item *hai, char *buffer, int len) { int i, sz, data_len; @@ -1048,7 +1133,7 @@ static inline int cfs_size_round (int val) #endif /* Return pointer to first hai in action list */ -static inline struct hsm_action_item * hai_zero(struct hsm_action_list *hal) +static inline struct hsm_action_item *hai_first(struct hsm_action_list *hal) { return (struct hsm_action_item *)(hal->hal_fsname + cfs_size_round(strlen(hal-> \ @@ -1062,20 +1147,35 @@ static inline struct hsm_action_item * hai_next(struct hsm_action_item *hai) } /* Return size of an hsm_action_list */ -static inline int hal_size(struct hsm_action_list *hal) +static inline size_t hal_size(struct hsm_action_list *hal) { - int i, sz; - struct hsm_action_item *hai; - - sz = sizeof(*hal) + cfs_size_round(strlen(hal->hal_fsname)); - hai = hai_zero(hal); - for (i = 0 ; i < hal->hal_count ; i++) { - sz += cfs_size_round(hai->hai_len); - hai = hai_next(hai); - } - return(sz); + __u32 i; + size_t sz; + struct hsm_action_item *hai; + + sz = sizeof(*hal) + cfs_size_round(strlen(hal->hal_fsname)); + hai = hai_first(hal); + for (i = 0; i < hal->hal_count ; i++, hai = hai_next(hai)) + sz += cfs_size_round(hai->hai_len); + + return sz; } +/* HSM file import + * describe the attributes to be set on imported file + */ +struct hsm_user_import { + __u64 hui_size; + __u64 hui_atime; + __u64 hui_mtime; + __u32 hui_atime_ns; + __u32 hui_mtime_ns; + __u32 hui_uid; + __u32 hui_gid; + __u32 hui_mode; + __u32 hui_archive_id; +}; + /* Copytool progress reporting */ #define HP_FLAG_COMPLETED 0x01 #define HP_FLAG_RETRY 0x02 @@ -1089,12 +1189,6 @@ struct hsm_progress { __u32 padding; }; -/** - * Use by copytool during any hsm request they handled. - * This structure is initialized by llapi_hsm_copy_start() - * which is an helper over the ioctl() interface - * Store Lustre, internal use only, data. - */ struct hsm_copy { __u64 hc_data_version; __u16 hc_flags;