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 <linux/lustre_handles.h>
12 #include <linux/lustre_debug.h>
13 #include <linux/obd.h>
14 #include <linux/lustre_disk.h>
16 #define FILTER_LAYOUT_VERSION "2"
18 #define HEALTH_CHECK "health_check"
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_RECOVERY_TIMEOUT (obd_timeout * 5 * HZ / 2) /* *waves hands* */
28 #define FILTER_INCOMPAT_SUPP (OBD_INCOMPAT_GROUPS | OBD_INCOMPAT_OST | \
29 OBD_INCOMPAT_COMMON_LR)
31 #define FILTER_GRANT_CHUNK (2ULL * PTLRPC_MAX_BRW_SIZE)
32 #define GRANT_FOR_LLOG(obd) 16
34 /* Data stored per client in the last_rcvd file. In le32 order. */
35 struct filter_client_data {
36 __u8 fcd_uuid[40]; /* client UUID */
37 __u64 fcd_last_rcvd; /* last completed transaction ID */
38 __u64 fcd_last_xid; /* client RPC xid for the last transaction */
39 __u8 fcd_padding[LR_CLIENT_SIZE - 56];
42 #define FILTER_DENTRY_MAGIC 0x9efba101
43 #define FILTER_FLAG_DESTROY 0x0001 /* destroy dentry on last file close */
45 /* Limit the returned fields marked valid to those that we actually might set */
46 #define FILTER_VALID_FLAGS (OBD_MD_FLTYPE | OBD_MD_FLMODE | OBD_MD_FLGENER |\
47 OBD_MD_FLSIZE | OBD_MD_FLBLOCKS | OBD_MD_FLBLKSZ|\
48 OBD_MD_FLATIME | OBD_MD_FLMTIME | OBD_MD_FLCTIME)
57 LPROC_FILTER_READ_BYTES = 0,
58 LPROC_FILTER_WRITE_BYTES = 1,
62 //#define FILTER_MAX_CACHE_SIZE (32 * 1024 * 1024) /* was OBD_OBJECT_EOF */
63 #define FILTER_MAX_CACHE_SIZE OBD_OBJECT_EOF
65 /* We have to pass a 'created' array to fsfilt_map_inode_pages() which we
66 * then ignore. So we pre-allocate one that everyone can use... */
67 #define OBDFILTER_CREATED_SCRATCHPAD_ENTRIES 1024
68 extern int *obdfilter_created_scratchpad;
71 void f_dput(struct dentry *);
72 struct dentry *filter_fid2dentry(struct obd_device *, struct dentry *dir,
73 obd_gr group, obd_id id);
74 struct dentry *__filter_oa2dentry(struct obd_device *obd, struct obdo *oa,
75 const char *what, int quiet);
76 #define filter_oa2dentry(obd, oa) __filter_oa2dentry(obd, oa, __FUNCTION__, 0)
78 int filter_finish_transno(struct obd_export *, struct obd_trans_info *, int rc);
79 __u64 filter_next_id(struct filter_obd *, struct obdo *);
80 __u64 filter_last_id(struct filter_obd *, struct obdo *);
81 int filter_update_fidea(struct obd_export *exp, struct inode *inode,
82 void *handle, struct obdo *oa);
83 int filter_update_server_data(struct obd_device *, struct file *,
84 struct lr_server_data *, int force_sync);
85 int filter_update_last_objid(struct obd_device *, obd_gr, int force_sync);
86 int filter_common_setup(struct obd_device *, obd_count len, void *buf,
88 int filter_destroy(struct obd_export *exp, struct obdo *oa,
89 struct lov_stripe_md *md, struct obd_trans_info *,
91 int filter_setattr_internal(struct obd_export *exp, struct dentry *dentry,
92 struct obdo *oa, struct obd_trans_info *oti);
93 int filter_setattr(struct obd_export *exp, struct obdo *oa,
94 struct lov_stripe_md *md, struct obd_trans_info *oti);
96 struct dentry *filter_create_object(struct obd_device *obd, struct obdo *oa);
99 extern struct ldlm_valblock_ops filter_lvbo;
103 int filter_preprw(int cmd, struct obd_export *, struct obdo *, int objcount,
104 struct obd_ioobj *, int niocount, struct niobuf_remote *,
105 struct niobuf_local *, struct obd_trans_info *);
106 int filter_commitrw(int cmd, struct obd_export *, struct obdo *, int objcount,
107 struct obd_ioobj *, int niocount, struct niobuf_local *,
108 struct obd_trans_info *, int rc);
109 int filter_brw(int cmd, struct obd_export *, struct obdo *,
110 struct lov_stripe_md *, obd_count oa_bufs, struct brw_page *,
111 struct obd_trans_info *);
112 void flip_into_page_cache(struct inode *inode, struct page *new_page);
116 int filter_commitrw_write(struct obd_export *exp, struct obdo *oa, int objcount,
117 struct obd_ioobj *obj, int niocount,
118 struct niobuf_local *res, struct obd_trans_info *oti,
120 obd_size filter_grant_space_left(struct obd_export *exp);
121 long filter_grant(struct obd_export *exp, obd_size current_grant,
122 obd_size want, obd_size fs_space_left);
123 void filter_grant_commit(struct obd_export *exp, int niocount,
124 struct niobuf_local *res);
125 struct filter_iobuf *filter_alloc_iobuf(struct filter_obd *, int rw,
127 void filter_free_iobuf(struct filter_iobuf *iobuf);
128 int filter_iobuf_add_page(struct obd_device *obd, struct filter_iobuf *iobuf,
129 struct inode *inode, struct page *page);
130 void *filter_iobuf_get(struct filter_obd *filter, struct obd_trans_info *oti);
131 void filter_iobuf_put(struct filter_obd *filter, struct filter_iobuf *iobuf,
132 struct obd_trans_info *oti);
133 int filter_direct_io(int rw, struct dentry *dchild, struct filter_iobuf *iobuf,
134 struct obd_export *exp, struct iattr *attr,
135 struct obd_trans_info *oti, void **wait_handle);
138 struct ost_filterdata {
141 int filter_log_sz_change(struct llog_handle *cathandle,
142 struct ll_fid *mds_fid,
144 struct llog_cookie *logcookie,
145 struct inode *inode);
146 //int filter_get_catalog(struct obd_device *);
147 void filter_cancel_cookies_cb(struct obd_device *obd, __u64 transno,
148 void *cb_data, int error);
149 int filter_recov_log_mds_ost_cb(struct llog_handle *llh,
150 struct llog_rec_hdr *rec, void *data);
153 int filter_san_setup(struct obd_device *obd, obd_count len, void *buf);
154 int filter_san_preprw(int cmd, struct obd_export *, struct obdo *, int objcount,
155 struct obd_ioobj *, int niocount, struct niobuf_remote *);
158 void filter_tally_write(struct filter_obd *filter, struct page **pages,
159 int nr_pages, unsigned long *blocks,
160 int blocks_per_page);
161 void filter_tally_read(struct filter_obd *filter, struct niobuf_local *lnb,
163 int lproc_filter_attach_seqstat(struct obd_device *dev);
165 static inline void filter_tally_write(struct filter_obd *filter,
166 struct page **pages, int nr_pages,
167 unsigned long *blocks, int blocks_per_page) {}
168 static inline void filter_tally_read(struct filter_obd *filter,
169 struct niobuf_local *lnb, int niocount) {}
170 static inline int lproc_filter_attach_seqstat(struct obd_device *dev) {}
174 extern quota_interface_t *quota_interface;
176 #endif /* _FILTER_INTERNAL_H */