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LU-1842 quota: migrate old quota admin files
[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_internal.h
index 068c9af..ab5fc62 100644 (file)
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #include <obd_class.h>
 #include <lustre_disk.h>
 #include <dt_object.h>
+#include <lquota.h>
 
 #include "osd_oi.h"
 #include "osd_iam.h"
+#include "osd_scrub.h"
+#include "osd_quota_fmt.h"
 
 struct inode;
 
-#define OSD_OII_NOGEN (0)
 #define OSD_COUNTERS (0)
 
+/* Lustre special inode::i_state to indicate OI scrub skip this inode. */
+#define I_LUSTRE_NOSCRUB       (1 << 31)
+
 /** Enable thandle usage statistics */
 #define OSD_THANDLE_STATS (0)
 
@@ -99,6 +102,19 @@ struct osd_directory {
         struct iam_descr     od_descr;
 };
 
+/*
+ * Object Index (oi) instance.
+ */
+struct osd_oi {
+        /*
+         * underlying index object, where fid->id mapping in stored.
+         */
+        struct inode         *oi_inode;
+        struct osd_directory  oi_dir;
+};
+
+extern const int osd_dto_credits_noquota[];
+
 struct osd_object {
         struct dt_object        oo_dt;
         /**
@@ -181,6 +197,55 @@ static inline void ldiskfs_htree_lock_free(struct htree_lock *lk)
 
 #endif /* HAVE_LDISKFS_PDO */
 
+#define OSD_OTABLE_IT_CACHE_SIZE       128
+#define OSD_OTABLE_IT_CACHE_MASK       (~(OSD_OTABLE_IT_CACHE_SIZE - 1))
+
+struct osd_inconsistent_item {
+       /* link into osd_scrub::os_inconsistent_items,
+        * protected by osd_scrub::os_lock. */
+       cfs_list_t             oii_list;
+
+       /* The right FID <=> ino#/gen mapping. */
+       struct osd_idmap_cache oii_cache;
+
+       unsigned int           oii_insert:1; /* insert or update mapping. */
+};
+
+struct osd_otable_cache {
+       struct osd_idmap_cache ooc_cache[OSD_OTABLE_IT_CACHE_SIZE];
+
+       /* Index for next cache slot to be filled. */
+       int                    ooc_producer_idx;
+
+       /* Index for next cache slot to be returned by it::next(). */
+       int                    ooc_consumer_idx;
+
+       /* How many items in ooc_cache. */
+       int                    ooc_cached_items;
+
+       /* Position for up layer LFSCK iteration pre-loading. */
+       __u32                  ooc_pos_preload;
+};
+
+struct osd_otable_it {
+       struct osd_device       *ooi_dev;
+       struct osd_otable_cache  ooi_cache;
+
+       /* For osd_otable_it_key. */
+       __u8                     ooi_key[16];
+
+       /* The following bits can be updated/checked w/o lock protection.
+        * If more bits will be introduced in the future and need lock to
+        * protect, please add comment. */
+       unsigned long            ooi_used_outside:1, /* Some user out of OSD
+                                                     * uses the iteration. */
+                                ooi_all_cached:1, /* No more entries can be
+                                                   * filled into cache. */
+                                ooi_user_ready:1, /* The user out of OSD is
+                                                   * ready to iterate. */
+                                ooi_waiting:1; /* it::next is waiting. */
+};
+
 extern const int osd_dto_credits_noquota[];
 
 /*
@@ -190,20 +255,16 @@ struct osd_device {
         /* super-class */
         struct dt_device          od_dt_dev;
         /* information about underlying file system */
-        struct lustre_mount_info *od_mount;
-        /*
-         * XXX temporary stuff for object index: directory where every object
-         * is named by its fid.
-         */
-        struct dt_object         *od_obj_area;
+        struct vfsmount          *od_mnt;
         /* object index */
-        struct osd_oi            *od_oi_table;
+        struct osd_oi           **od_oi_table;
         /* total number of OI containers */
         int                       od_oi_count;
         /*
          * Fid Capability
          */
-        unsigned int              od_fl_capa:1;
+       unsigned int              od_fl_capa:1,
+                                 od_is_md:1; /* set in ->ldo_prepare */
         unsigned long             od_capa_timeout;
         __u32                     od_capa_alg;
         struct lustre_capa_key   *od_capa_keys;
@@ -215,7 +276,7 @@ struct osd_device {
          * statfs optimization: we cache a bit.
          */
         cfs_time_t                od_osfs_age;
-        cfs_kstatfs_t             od_kstatfs;
+        struct obd_statfs         od_statfs;
         cfs_spinlock_t            od_osfs_lock;
 
         /**
@@ -225,6 +286,13 @@ struct osd_device {
         __u32                     od_iop_mode;
 
         struct fsfilt_operations *od_fsops;
+       int                       od_connects;
+       struct lu_site            od_site;
+
+        /*
+         * mapping for legacy OST objids
+         */
+        struct osd_compat_objid  *od_ost_map;
 
         unsigned long long        od_readcache_max_filesize;
         int                       od_read_cache;
@@ -233,6 +301,16 @@ struct osd_device {
         struct brw_stats          od_brw_stats;
         cfs_atomic_t              od_r_in_flight;
         cfs_atomic_t              od_w_in_flight;
+
+       cfs_mutex_t               od_otable_mutex;
+       struct osd_otable_it     *od_otable_it;
+       struct osd_scrub          od_scrub;
+
+       /* service name associated with the osd device */
+       char                      od_svname[MAX_OBD_NAME];
+
+       /* quota slave instance */
+       struct qsd_instance      *od_quota_slave;
 };
 
 #define OSD_TRACK_DECLARES
@@ -240,11 +318,13 @@ struct osd_device {
 #define OSD_DECLARE_OP(oh, op)   {                               \
         LASSERT(oh->ot_handle == NULL);                          \
         ((oh)->ot_declare_ ##op)++; }
-#define OSD_EXEC_OP(handle, op)     {                            \
+#define OSD_EXEC_OP(handle,op)      {                            \
         struct osd_thandle *oh;                                  \
         oh = container_of0(handle, struct osd_thandle, ot_super);\
-        LASSERT((oh)->ot_declare_ ##op > 0);                     \
-        ((oh)->ot_declare_ ##op)--; }
+        if (((oh)->ot_declare_ ##op) > 0) {                      \
+                ((oh)->ot_declare_ ##op)--;                      \
+        }                                                        \
+        }
 #else
 #define OSD_DECLARE_OP(oh, op)
 #define OSD_EXEC_OP(oh, op)
@@ -275,6 +355,7 @@ struct osd_thandle {
         unsigned short          ot_id_cnt;
         unsigned short          ot_id_type;
         uid_t                   ot_id_array[OSD_MAX_UGID_CNT];
+       struct lquota_trans    *ot_quota_trans;
 
 #ifdef OSD_TRACK_DECLARES
         unsigned char           ot_declare_attr_set;
@@ -395,6 +476,28 @@ struct osd_it_iam {
         struct iam_iterator    oi_it;
 };
 
+struct osd_quota_leaf {
+       cfs_list_t      oql_link;
+       uint            oql_blk;
+};
+
+/**
+ * Iterator's in-memory data structure for quota file.
+ */
+struct osd_it_quota {
+       struct osd_object       *oiq_obj;
+       /** tree blocks path to where the entry is stored */
+       uint                     oiq_blk[LUSTRE_DQTREEDEPTH + 1];
+       /** on-disk offset for current key where quota record can be found */
+       loff_t                   oiq_offset;
+       /** identifier for current quota record */
+       __u64                    oiq_id;
+       /** the record index in the leaf/index block */
+       uint                     oiq_index[LUSTRE_DQTREEDEPTH + 1];
+       /** list of already processed leaf blocks */
+       cfs_list_t               oiq_list;
+};
+
 #define MAX_BLOCKS_PER_PAGE (CFS_PAGE_SIZE / 512)
 
 struct osd_iobuf {
@@ -427,7 +530,11 @@ struct osd_thread_info {
         struct htree_lock     *oti_hlock;
 
         struct lu_fid          oti_fid;
-        struct osd_inode_id    oti_id;
+       struct lu_fid          oti_fid2;
+       struct osd_inode_id    oti_id;
+       struct osd_inode_id    oti_id2;
+        struct ost_id          oti_ostid;
+
         /*
          * XXX temporary: for ->i_op calls.
          */
@@ -454,15 +561,19 @@ struct osd_thread_info {
 
         /** osd iterator context used for iterator session */
 
-        union {
-                struct osd_it_iam      oti_it;
-                /** ldiskfs iterator data structure, see osd_it_ea_{init, fini} */
-                struct osd_it_ea       oti_it_ea;
-        };
+       union {
+               struct osd_it_iam       oti_it;
+               /* ldiskfs iterator data structure,
+                * see osd_it_ea_{init, fini} */
+               struct osd_it_ea        oti_it_ea;
+               struct osd_it_quota     oti_it_quota;
+       };
 
         /** pre-allocated buffer used by oti_it_ea, size OSD_IT_EA_BUFSIZE */
         void                  *oti_it_ea_buf;
 
+        cfs_kstatfs_t          oti_ksfs;
+
         /** IAM iterator for index operation. */
         struct iam_iterator    oti_idx_it;
 
@@ -477,6 +588,7 @@ struct osd_thread_info {
                 long long      oti_alignment_lieutenant_colonel;
         };
 
+       struct osd_idmap_cache oti_cache;
 
         int                    oti_r_locks;
         int                    oti_w_locks;
@@ -496,6 +608,16 @@ struct osd_thread_info {
 #define OSD_FID_REC_SZ 32
         char                   oti_ldp[OSD_FID_REC_SZ];
         char                   oti_ldp2[OSD_FID_REC_SZ];
+
+       /* used by quota code */
+       union {
+               struct if_dqblk         oti_dqblk;
+               struct if_dqinfo        oti_dqinfo;
+       };
+       struct lquota_id_info   oti_qi;
+       struct lquota_trans     oti_quota_trans;
+       union lquota_rec        oti_quota_rec;
+       __u64                   oti_quota_id;
 };
 
 extern int ldiskfs_pdo;
@@ -512,13 +634,76 @@ void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf);
 
 #endif
 int osd_statfs(const struct lu_env *env, struct dt_device *dev,
-               cfs_kstatfs_t *sfs);
+               struct obd_statfs *sfs);
 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
                     struct lustre_capa *capa, __u64 opc);
-void osd_declare_qid(struct dt_object *dt, struct osd_thandle *oh,
-                     int type, uid_t id, struct inode *inode);
-int generic_error_remove_page(struct address_space *mapping,
-                                     struct page *page);
+struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
+                      struct osd_inode_id *id);
+struct inode *osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
+                          struct osd_inode_id *id, struct lu_fid *fid);
+
+int osd_compat_init(struct osd_device *dev);
+void osd_compat_fini(struct osd_device *dev);
+int osd_compat_objid_lookup(struct osd_thread_info *info,
+                            struct osd_device *osd,
+                            const struct lu_fid *fid, struct osd_inode_id *id);
+int osd_compat_objid_insert(struct osd_thread_info *info,
+                            struct osd_device *osd,
+                            const struct lu_fid *fid,
+                            const struct osd_inode_id *id, struct thandle *th);
+int osd_compat_objid_delete(struct osd_thread_info *info,
+                            struct osd_device *osd,
+                            const struct lu_fid *fid, struct thandle *th);
+int osd_compat_spec_lookup(struct osd_thread_info *info,
+                           struct osd_device *osd,
+                           const struct lu_fid *fid, struct osd_inode_id *id);
+int osd_compat_spec_insert(struct osd_thread_info *info,
+                           struct osd_device *osd,
+                           const struct lu_fid *fid,
+                           const struct osd_inode_id *id, struct thandle *th);
+
+void osd_scrub_file_reset(struct osd_scrub *scrub, __u8 *uuid, __u64 flags);
+int osd_scrub_file_store(struct osd_scrub *scrub);
+int osd_scrub_start(struct osd_device *dev);
+int osd_scrub_setup(const struct lu_env *env, struct osd_device *dev);
+void osd_scrub_cleanup(const struct lu_env *env, struct osd_device *dev);
+int osd_oii_insert(struct osd_device *dev, struct osd_idmap_cache *oic,
+                  int insert);
+int osd_oii_lookup(struct osd_device *dev, const struct lu_fid *fid,
+                  struct osd_inode_id *id);
+int osd_scrub_dump(struct osd_device *dev, char *buf, int len);
+
+/* osd_quota_fmt.c */
+int walk_tree_dqentry(const struct lu_env *env, struct osd_object *obj,
+                      int type, uint blk, int depth, uint index,
+                      struct osd_it_quota *it);
+int walk_block_dqentry(const struct lu_env *env, struct osd_object *obj,
+                       int type, uint blk, uint index,
+                       struct osd_it_quota *it);
+loff_t find_tree_dqentry(const struct lu_env *env,
+                         struct osd_object *obj, int type,
+                         qid_t dqid, uint blk, int depth,
+                         struct osd_it_quota *it);
+/* osd_quota.c */
+int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
+                   struct lquota_id_info *qi, bool allocated, int *flags);
+int osd_declare_inode_qid(const struct lu_env *env, qid_t uid, qid_t gid,
+                         long long space, struct osd_thandle *oh,
+                         bool is_blk, bool allocated, int *flags, bool force);
+const struct dt_rec *osd_quota_pack(struct osd_object *obj,
+                                   const struct dt_rec *rec,
+                                   union lquota_rec *quota_rec);
+void osd_quota_unpack(struct osd_object *obj, const struct dt_rec *rec);
+int osd_quota_migration(const struct lu_env *env, struct dt_object *dt,
+                       const struct dt_index_features *feat);
+
+static inline bool is_quota_glb_feat(const struct dt_index_features *feat)
+{
+       return (feat == &dt_quota_iusr_features ||
+               feat == &dt_quota_busr_features ||
+               feat == &dt_quota_igrp_features ||
+               feat == &dt_quota_bgrp_features) ? true : false;
+}
 
 /*
  * Invariants, assertions.
@@ -546,37 +731,25 @@ static inline int osd_invariant(const struct osd_object *obj)
 #define osd_invariant(obj) (1)
 #endif
 
-/* The on-disk extN format reserves inodes 0-11 for internal filesystem
- * use, and these inodes will be invisible on client side, so the valid
- * sequence for IGIF fid is 12-0xffffffff. But root inode (2#) will be seen
- * on server side (osd), and it should be valid too here.
- */
-#define OSD_ROOT_SEQ            2
-static inline int osd_fid_is_root(const struct lu_fid *fid)
-{
-        return fid_seq(fid) == OSD_ROOT_SEQ;
-}
+extern const struct dt_index_operations osd_otable_ops;
 
-static inline int osd_fid_is_igif(const struct lu_fid *fid)
+static inline int osd_oi_fid2idx(struct osd_device *dev,
+                                const struct lu_fid *fid)
 {
-        return fid_is_igif(fid) || osd_fid_is_root(fid);
+       return fid->f_seq & (dev->od_oi_count - 1);
 }
 
-static inline struct osd_oi *
-osd_fid2oi(struct osd_device *osd, const struct lu_fid *fid)
+static inline struct osd_oi *osd_fid2oi(struct osd_device *osd,
+                                        const struct lu_fid *fid)
 {
-        if (!fid_is_norm(fid))
-                return NULL;
-
-        LASSERT(osd->od_oi_table != NULL && osd->od_oi_count >= 1);
-        /* It can work even od_oi_count equals to 1 although it's unexpected,
-         * the only reason we set it to 1 is for performance measurement */
-        return &osd->od_oi_table[fid->f_seq & (osd->od_oi_count - 1)];
+       LASSERTF(!fid_is_idif(fid), DFID"\n", PFID(fid));
+       LASSERTF(!fid_is_igif(fid), DFID"\n", PFID(fid));
+       LASSERT(osd->od_oi_table != NULL && osd->od_oi_count >= 1);
+       /* It can work even od_oi_count equals to 1 although it's unexpected,
+        * the only reason we set it to 1 is for performance measurement */
+       return osd->od_oi_table[osd_oi_fid2idx(osd, fid)];
 }
 
-/*
- * Helpers.
- */
 extern const struct lu_device_operations  osd_lu_ops;
 
 static inline int lu_device_is_osd(const struct lu_device *d)
@@ -603,7 +776,7 @@ static inline struct osd_device *osd_obj2dev(const struct osd_object *o)
 
 static inline struct super_block *osd_sb(const struct osd_device *dev)
 {
-        return dev->od_mount->lmi_mnt->mnt_sb;
+       return dev->od_mnt->mnt_sb;
 }
 
 static inline int osd_object_is_root(const struct osd_object *obj)
@@ -642,5 +815,111 @@ static inline struct osd_thread_info *osd_oti_get(const struct lu_env *env)
 
 extern const struct dt_body_operations osd_body_ops_new;
 
+/**
+ * IAM Iterator
+ */
+static inline
+struct iam_path_descr *osd_it_ipd_get(const struct lu_env *env,
+                                      const struct iam_container *bag)
+{
+        return bag->ic_descr->id_ops->id_ipd_alloc(bag,
+                                           osd_oti_get(env)->oti_it_ipd);
+}
+
+static inline
+struct iam_path_descr *osd_idx_ipd_get(const struct lu_env *env,
+                                       const struct iam_container *bag)
+{
+        return bag->ic_descr->id_ops->id_ipd_alloc(bag,
+                                           osd_oti_get(env)->oti_idx_ipd);
+}
+
+static inline void osd_ipd_put(const struct lu_env *env,
+                               const struct iam_container *bag,
+                               struct iam_path_descr *ipd)
+{
+        bag->ic_descr->id_ops->id_ipd_free(ipd);
+}
+
+int osd_ldiskfs_read(struct inode *inode, void *buf, int size, loff_t *offs);
+int osd_ldiskfs_write_record(struct inode *inode, void *buf, int bufsize,
+                            int write_NUL, loff_t *offs, handle_t *handle);
+
+static inline
+struct dentry *osd_child_dentry_by_inode(const struct lu_env *env,
+                                         struct inode *inode,
+                                         const char *name, const int namelen)
+{
+        struct osd_thread_info *info = osd_oti_get(env);
+        struct dentry *child_dentry = &info->oti_child_dentry;
+        struct dentry *obj_dentry = &info->oti_obj_dentry;
+
+        obj_dentry->d_inode = inode;
+        obj_dentry->d_sb = inode->i_sb;
+        obj_dentry->d_name.hash = 0;
+
+        child_dentry->d_name.hash = 0;
+        child_dentry->d_parent = obj_dentry;
+        child_dentry->d_name.name = name;
+        child_dentry->d_name.len = namelen;
+        return child_dentry;
+}
+
+/**
+ * Helper function to pack the fid, ldiskfs stores fid in packed format.
+ */
+static inline
+void osd_fid_pack(struct osd_fid_pack *pack, const struct dt_rec *fid,
+                  struct lu_fid *befider)
+{
+        fid_cpu_to_be(befider, (struct lu_fid *)fid);
+        memcpy(pack->fp_area, befider, sizeof(*befider));
+        pack->fp_len =  sizeof(*befider) + 1;
+}
+
+static inline
+int osd_fid_unpack(struct lu_fid *fid, const struct osd_fid_pack *pack)
+{
+        int result;
+
+        result = 0;
+        switch (pack->fp_len) {
+        case sizeof *fid + 1:
+                memcpy(fid, pack->fp_area, sizeof *fid);
+                fid_be_to_cpu(fid, fid);
+                break;
+        default:
+                CERROR("Unexpected packed fid size: %d\n", pack->fp_len);
+                result = -EIO;
+        }
+        return result;
+}
+
+/**
+ * Quota/Accounting handling
+ */
+extern const struct dt_index_operations osd_acct_index_ops;
+int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
+                       const struct lu_fid *fid, struct osd_inode_id *id);
+
+/* copy from fs/ext4/dir.c */
+static inline int is_32bit_api(void)
+{
+#ifdef CONFIG_COMPAT
+       return is_compat_task();
+#else
+       return (BITS_PER_LONG == 32);
+#endif
+}
+
+static inline loff_t ldiskfs_get_htree_eof(struct file *filp)
+{
+       if ((filp->f_mode & FMODE_32BITHASH) ||
+           (!(filp->f_mode & FMODE_64BITHASH) && is_32bit_api()))
+               return LDISKFS_HTREE_EOF_32BIT;
+       else
+               return LDISKFS_HTREE_EOF_64BIT;
+}
+
 #endif /* __KERNEL__ */
 #endif /* _OSD_INTERNAL_H */