1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
5 #ifndef _FILTER_INTERNAL_H
6 #define _FILTER_INTERNAL_H
9 # include <linux/spinlock.h>
11 #include <lustre_disk.h>
12 #include <lustre_handles.h>
13 #include <lustre_debug.h>
15 #include <lprocfs_status.h>
17 #define FILTER_LAYOUT_VERSION "2"
19 #define FILTER_INIT_OBJID 0
21 #define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */
22 #define FILTER_GROUPS 3 /* must be at least 3; not dynamic yet */
24 #define FILTER_ROCOMPAT_SUPP (0)
26 #define FILTER_INCOMPAT_SUPP (OBD_INCOMPAT_GROUPS | OBD_INCOMPAT_OST | \
27 OBD_INCOMPAT_COMMON_LR)
29 #define FILTER_GRANT_CHUNK (2ULL * PTLRPC_MAX_BRW_SIZE)
30 #define GRANT_FOR_LLOG(obd) 16
32 #define FILTER_RECOVERY_TIMEOUT (obd_timeout * 5 * HZ / 2) /* *waves hands* */
34 extern struct file_operations filter_per_export_stats_fops;
35 extern struct file_operations filter_per_nid_stats_fops;
37 /* Limit the returned fields marked valid to those that we actually might set */
38 #define FILTER_VALID_FLAGS (OBD_MD_FLTYPE | OBD_MD_FLMODE | OBD_MD_FLGENER |\
39 OBD_MD_FLSIZE | OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ|\
40 OBD_MD_FLATIME | OBD_MD_FLMTIME | OBD_MD_FLCTIME)
43 struct ll_fid ff_fid; /* ff_fid.f_type == file stripe number */
48 /* per-client-per-object persistent state (LRU) */
49 struct filter_mod_data {
50 struct list_head fmd_list; /* linked to fed_mod_list */
51 __u64 fmd_id; /* object being written to */
52 __u64 fmd_gr; /* group being written to */
53 __u64 fmd_mactime_xid;/* xid highest {m,a,c}time setattr */
54 unsigned long fmd_expire; /* jiffies when it should expire */
55 int fmd_refcount; /* reference counter - list holds 1 */
59 #define FILTER_FMD_MAX_NUM_DEFAULT 128 /* many active files per client on BGL */
61 #define FILTER_FMD_MAX_NUM_DEFAULT 32
63 #define FILTER_FMD_MAX_AGE_DEFAULT ((obd_timeout + 10) * HZ)
65 struct filter_mod_data *filter_fmd_find(struct obd_export *exp,
66 obd_id objid, obd_gr group);
67 struct filter_mod_data *filter_fmd_get(struct obd_export *exp,
68 obd_id objid, obd_gr group);
69 void filter_fmd_put(struct obd_export *exp, struct filter_mod_data *fmd);
70 void filter_fmd_expire(struct obd_export *exp);
73 LPROC_FILTER_READ_BYTES = 0,
74 LPROC_FILTER_WRITE_BYTES = 1,
78 //#define FILTER_MAX_CACHE_SIZE (32 * 1024 * 1024) /* was OBD_OBJECT_EOF */
79 #define FILTER_MAX_CACHE_SIZE OBD_OBJECT_EOF
81 /* We have to pass a 'created' array to fsfilt_map_inode_pages() which we
82 * then ignore. So we pre-allocate one that everyone can use... */
83 #define OBDFILTER_CREATED_SCRATCHPAD_ENTRIES 1024
84 extern int *obdfilter_created_scratchpad;
86 extern void target_recovery_fini(struct obd_device *obd);
87 extern void target_recovery_init(struct obd_device *obd,
88 svc_handler_t handler);
91 void f_dput(struct dentry *);
92 struct dentry *filter_fid2dentry(struct obd_device *, struct dentry *dir,
93 obd_gr group, obd_id id);
94 struct dentry *__filter_oa2dentry(struct obd_device *obd, struct obdo *oa,
95 const char *what, int quiet);
96 #define filter_oa2dentry(obd, oa) __filter_oa2dentry(obd, oa, __FUNCTION__, 0)
98 int filter_finish_transno(struct obd_export *, struct obd_trans_info *, int rc,
100 __u64 filter_next_id(struct filter_obd *, struct obdo *);
101 __u64 filter_last_id(struct filter_obd *, obd_gr group);
102 int filter_update_fidea(struct obd_export *exp, struct inode *inode,
103 void *handle, struct obdo *oa);
104 int filter_update_server_data(struct obd_device *, struct file *,
105 struct lr_server_data *, int force_sync);
106 int filter_update_last_objid(struct obd_device *, obd_gr, int force_sync);
107 int filter_common_setup(struct obd_device *, struct lustre_cfg *lcfg,
109 int filter_destroy(struct obd_export *exp, struct obdo *oa,
110 struct lov_stripe_md *md, struct obd_trans_info *,
111 struct obd_export *);
112 int filter_setattr_internal(struct obd_export *exp, struct dentry *dentry,
113 struct obdo *oa, struct obd_trans_info *oti);
114 int filter_setattr(struct obd_export *exp, struct obd_info *oinfo,
115 struct obd_trans_info *oti);
117 struct dentry *filter_create_object(struct obd_device *obd, struct obdo *oa);
119 struct obd_llog_group *filter_find_olg(struct obd_device *obd, int group);
122 extern struct ldlm_valblock_ops filter_lvbo;
126 int filter_preprw(int cmd, struct obd_export *, struct obdo *, int objcount,
127 struct obd_ioobj *, int niocount, struct niobuf_remote *,
128 struct niobuf_local *, struct obd_trans_info *,
129 struct lustre_capa *);
130 int filter_commitrw(int cmd, struct obd_export *, struct obdo *, int objcount,
131 struct obd_ioobj *, int niocount, struct niobuf_local *,
132 struct obd_trans_info *, int rc);
133 int filter_brw(int cmd, struct obd_export *, struct obd_info *oinfo,
134 obd_count oa_bufs, struct brw_page *pga, struct obd_trans_info *);
135 void flip_into_page_cache(struct inode *inode, struct page *new_page);
139 int filter_commitrw_write(struct obd_export *exp, struct obdo *oa, int objcount,
140 struct obd_ioobj *obj, int niocount,
141 struct niobuf_local *res, struct obd_trans_info *oti,
143 obd_size filter_grant_space_left(struct obd_export *exp);
144 long filter_grant(struct obd_export *exp, obd_size current_grant,
145 obd_size want, obd_size fs_space_left);
146 void filter_grant_commit(struct obd_export *exp, int niocount,
147 struct niobuf_local *res);
148 struct filter_iobuf *filter_alloc_iobuf(struct filter_obd *, int rw,
150 void filter_free_iobuf(struct filter_iobuf *iobuf);
151 int filter_iobuf_add_page(struct obd_device *obd, struct filter_iobuf *iobuf,
152 struct inode *inode, struct page *page);
153 void *filter_iobuf_get(struct filter_obd *filter, struct obd_trans_info *oti);
154 void filter_iobuf_put(struct filter_obd *filter, struct filter_iobuf *iobuf,
155 struct obd_trans_info *oti);
156 int filter_direct_io(int rw, struct dentry *dchild, struct filter_iobuf *iobuf,
157 struct obd_export *exp, struct iattr *attr,
158 struct obd_trans_info *oti, void **wait_handle);
159 int filter_clear_truncated_page(struct inode *inode);
162 struct ost_filterdata {
165 int filter_log_sz_change(struct llog_handle *cathandle,
166 struct ll_fid *mds_fid,
168 struct llog_cookie *logcookie,
169 struct inode *inode);
170 //int filter_get_catalog(struct obd_device *);
171 void filter_cancel_cookies_cb(struct obd_device *obd, __u64 transno,
172 void *cb_data, int error);
173 int filter_recov_log_mds_ost_cb(struct llog_handle *llh,
174 struct llog_rec_hdr *rec, void *data);
177 void filter_tally(struct obd_export *exp, struct page **pages, int nr_pages,
178 unsigned long *blocks, int blocks_per_page, int wr);
179 int lproc_filter_attach_seqstat(struct obd_device *dev);
180 void lprocfs_filter_init_vars(struct lprocfs_static_vars *lvars);
182 static inline void filter_tally(struct obd_export *exp, struct page **pages,
183 int nr_pages, unsigned long *blocks,
184 int blocks_per_page, int wr) {}
185 static inline int lproc_filter_attach_seqstat(struct obd_device *dev) {}
186 static void lprocfs_filter_init_vars(struct lprocfs_static_vars *lvars)
188 memset(lvars, 0, sizeof(*lvars));
193 extern quota_interface_t *filter_quota_interface_ref;
196 static inline __u64 obdo_mdsno(struct obdo *oa)
198 return oa->o_gr - FILTER_GROUP_MDS0;
201 int filter_update_capa_key(struct obd_device *obd, struct lustre_capa_key *key);
202 int filter_auth_capa(struct obd_export *exp, struct lu_fid *fid, __u64 mdsid,
203 struct lustre_capa *capa, __u64 opc);
204 void filter_free_capa_keys(struct filter_obd *filter);
206 void blacklist_add(uid_t uid);
207 void blacklist_del(uid_t uid);
208 int blacklist_display(char *buf, int bufsize);
210 #endif /* _FILTER_INTERNAL_H */