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 extern struct file_operations filter_per_export_stats_fops;
33 extern struct file_operations filter_per_nid_stats_fops;
35 /* Limit the returned fields marked valid to those that we actually might set */
36 #define FILTER_VALID_FLAGS (OBD_MD_FLTYPE | OBD_MD_FLMODE | OBD_MD_FLGENER |\
37 OBD_MD_FLSIZE | OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ|\
38 OBD_MD_FLATIME | OBD_MD_FLMTIME | OBD_MD_FLCTIME)
41 struct ll_fid ff_fid; /* ff_fid.f_type == file stripe number */
46 /* per-client-per-object persistent state (LRU) */
47 struct filter_mod_data {
48 struct list_head fmd_list; /* linked to fed_mod_list */
49 __u64 fmd_id; /* object being written to */
50 __u64 fmd_gr; /* group being written to */
51 __u64 fmd_mactime_xid;/* xid highest {m,a,c}time setattr */
52 unsigned long fmd_expire; /* jiffies when it should expire */
53 int fmd_refcount; /* reference counter - list holds 1 */
57 #define FILTER_FMD_MAX_NUM_DEFAULT 128 /* many active files per client on BGL */
59 #define FILTER_FMD_MAX_NUM_DEFAULT 32
61 /* Client cache seconds */
62 #define FILTER_FMD_MAX_AGE_DEFAULT ((obd_timeout + 10) * HZ)
64 struct filter_mod_data *filter_fmd_find(struct obd_export *exp,
65 obd_id objid, obd_gr group);
66 struct filter_mod_data *filter_fmd_get(struct obd_export *exp,
67 obd_id objid, obd_gr group);
68 void filter_fmd_put(struct obd_export *exp, struct filter_mod_data *fmd);
69 void filter_fmd_expire(struct obd_export *exp);
72 LPROC_FILTER_READ_BYTES = 0,
73 LPROC_FILTER_WRITE_BYTES = 1,
77 //#define FILTER_MAX_CACHE_SIZE (32 * 1024 * 1024) /* was OBD_OBJECT_EOF */
78 #define FILTER_MAX_CACHE_SIZE OBD_OBJECT_EOF
80 /* We have to pass a 'created' array to fsfilt_map_inode_pages() which we
81 * then ignore. So we pre-allocate one that everyone can use... */
82 #define OBDFILTER_CREATED_SCRATCHPAD_ENTRIES 1024
83 extern int *obdfilter_created_scratchpad;
86 void f_dput(struct dentry *);
87 struct dentry *filter_fid2dentry(struct obd_device *, struct dentry *dir,
88 obd_gr group, obd_id id);
89 struct dentry *__filter_oa2dentry(struct obd_device *obd, struct obdo *oa,
90 const char *what, int quiet);
91 #define filter_oa2dentry(obd, oa) __filter_oa2dentry(obd, oa, __FUNCTION__, 0)
93 int filter_finish_transno(struct obd_export *, struct obd_trans_info *, int rc,
95 __u64 filter_next_id(struct filter_obd *, struct obdo *);
96 __u64 filter_last_id(struct filter_obd *, obd_gr group);
97 int filter_update_fidea(struct obd_export *exp, struct inode *inode,
98 void *handle, struct obdo *oa);
99 int filter_update_server_data(struct obd_device *, struct file *,
100 struct lr_server_data *, int force_sync);
101 int filter_update_last_objid(struct obd_device *, obd_gr, int force_sync);
102 int filter_common_setup(struct obd_device *, obd_count len, void *buf,
104 int filter_destroy(struct obd_export *exp, struct obdo *oa,
105 struct lov_stripe_md *md, struct obd_trans_info *,
106 struct obd_export *);
107 int filter_setattr_internal(struct obd_export *exp, struct dentry *dentry,
108 struct obdo *oa, struct obd_trans_info *oti);
109 int filter_setattr(struct obd_export *exp, struct obd_info *oinfo,
110 struct obd_trans_info *oti);
111 int filter_recreate(struct obd_device *obd, struct obdo *oa);
113 struct dentry *filter_create_object(struct obd_device *obd, struct obdo *oa);
116 extern struct ldlm_valblock_ops filter_lvbo;
120 int filter_preprw(int cmd, struct obd_export *, struct obdo *, int objcount,
121 struct obd_ioobj *, int niocount, struct niobuf_remote *,
122 struct niobuf_local *, struct obd_trans_info *);
123 int filter_commitrw(int cmd, struct obd_export *, struct obdo *, int objcount,
124 struct obd_ioobj *, int niocount, struct niobuf_local *,
125 struct obd_trans_info *, int rc);
126 int filter_brw(int cmd, struct obd_export *, struct obd_info *oinfo,
127 obd_count oa_bufs, struct brw_page *pga, struct obd_trans_info *);
128 void flip_into_page_cache(struct inode *inode, struct page *new_page);
132 int filter_commitrw_write(struct obd_export *exp, struct obdo *oa, int objcount,
133 struct obd_ioobj *obj, int niocount,
134 struct niobuf_local *res, struct obd_trans_info *oti,
136 obd_size filter_grant_space_left(struct obd_export *exp);
137 long filter_grant(struct obd_export *exp, obd_size current_grant,
138 obd_size want, obd_size fs_space_left);
139 void filter_grant_commit(struct obd_export *exp, int niocount,
140 struct niobuf_local *res);
141 struct filter_iobuf *filter_alloc_iobuf(struct filter_obd *, int rw,
143 void filter_free_iobuf(struct filter_iobuf *iobuf);
144 int filter_iobuf_add_page(struct obd_device *obd, struct filter_iobuf *iobuf,
145 struct inode *inode, struct page *page);
146 void *filter_iobuf_get(struct filter_obd *filter, struct obd_trans_info *oti);
147 void filter_iobuf_put(struct filter_obd *filter, struct filter_iobuf *iobuf,
148 struct obd_trans_info *oti);
149 int filter_direct_io(int rw, struct dentry *dchild, struct filter_iobuf *iobuf,
150 struct obd_export *exp, struct iattr *attr,
151 struct obd_trans_info *oti, void **wait_handle);
152 int filter_clear_truncated_page(struct inode *inode);
155 struct ost_filterdata {
158 int filter_log_sz_change(struct llog_handle *cathandle,
159 struct ll_fid *mds_fid,
161 struct llog_cookie *logcookie,
162 struct inode *inode);
163 //int filter_get_catalog(struct obd_device *);
164 void filter_cancel_cookies_cb(struct obd_device *obd, __u64 transno,
165 void *cb_data, int error);
166 int filter_recov_log_mds_ost_cb(struct llog_handle *llh,
167 struct llog_rec_hdr *rec, void *data);
170 void filter_tally(struct obd_export *exp, struct page **pages, int nr_pages,
171 unsigned long *blocks, int blocks_per_page, int wr);
172 int lproc_filter_attach_seqstat(struct obd_device *dev);
173 void lprocfs_filter_init_vars(struct lprocfs_static_vars *lvars);
175 static inline void filter_tally(struct obd_export *exp, struct page **pages,
176 int nr_pages, unsigned long *blocks,
177 int blocks_per_page, int wr) {}
178 static inline int lproc_filter_attach_seqstat(struct obd_device *dev) {}
179 static void lprocfs_filter_init_vars(struct lprocfs_static_vars *lvars)
181 memset(lvars, 0, sizeof(*lvars));
186 extern quota_interface_t *filter_quota_interface_ref;
189 #endif /* _FILTER_INTERNAL_H */