#include <linux/time.h>
#include <linux/obd.h>
-#include <linux/obd_sim.h>
+#include <linux/obd_ext2.h>
#include <linux/obd_snap.h>
/* #include <linux/obd_fc.h> */
#include <linux/obd_raid1.h>
#include <linux/obd_rpc.h>
-#define OBD_PSDEV_MAJOR 120
-#define MAX_OBD_DEVICES 8
-#define MAX_MULTI 16
+/*
+ * ======== OBD type Declarations ===========
+ */
-typedef unsigned long objid;
-typedef struct inode obdattr;
-#if 0
-struct obdattr {
- objid oa_id;
- umode_t oa_mode;
- nlink_t oa_nlink;
- uid_t oa_uid;
- gid_t oa_gid;
- off_t oa_size;
- time_t oa_atime;
- time_t oa_mtime;
- time_t oa_ctime;
- unsigned long oa_blksize;
- unsigned long oa_blocks;
- char oa_data[116];
- struct obd_ops *oa_op;
+typedef uint64_t obd_id;
+typedef uint64_t obd_gr;
+typedef uint64_t obd_time;
+typedef uint64_t obd_size;
+typedef uint64_t obd_off;
+typedef uint64_t obd_blocks;
+typedef uint32_t obd_blksize;
+typedef uint32_t obd_mode;
+typedef uint32_t obd_uid;
+typedef uint32_t obd_gid;
+typedef uint32_t obd_flag;
+typedef uint32_t obd_count;
+
+#define OBD_FL_INLINEDATA (1UL)
+#define OBD_FL_OBDMDEXISTS (1UL << 1)
+
+#define OBD_INLINESZ 60
+#define OBD_OBDMDSZ 60
+/* Note: 64-bit types are 64-bit aligned in structure */
+struct obdo {
+ obd_id o_id;
+ obd_gr o_gr;
+ obd_time o_atime;
+ obd_time o_mtime;
+ obd_time o_ctime;
+ obd_size o_size;
+ obd_blocks o_blocks;
+ obd_blksize o_blksize;
+ obd_mode o_mode;
+ obd_uid o_uid;
+ obd_gid o_gid;
+ obd_flag o_flags;
+ obd_flag o_obdflags;
+ obd_count o_nlink;
+ obd_count o_generation;
+ obd_flag o_valid; /* hot fields in this obdo */
+ char o_inline[OBD_INLINESZ];
+ char o_obdmd[OBD_OBDMDSZ];
+ struct list_head o_list;
+ struct obd_ops *o_op;
};
-#endif
+#define OBD_MD_FLALL (~0UL)
+#define OBD_MD_FLID (0x0001UL)
+#define OBD_MD_FLATIME (0x0002UL)
+#define OBD_MD_FLMTIME (0x0004UL)
+#define OBD_MD_FLCTIME (0x0008UL)
+#define OBD_MD_FLSIZE (0x0010UL)
+#define OBD_MD_FLBLOCKS (0x0020UL)
+#define OBD_MD_FLBLKSZ (0x0040UL)
+#define OBD_MD_FLMODE (0x0080UL)
+#define OBD_MD_FLUID (0x0100UL)
+#define OBD_MD_FLGID (0x0200UL)
+#define OBD_MD_FLFLAGS (0x0400UL)
+#define OBD_MD_FLOBDFLG (0x0800UL)
+#define OBD_MD_FLNLINK (0x1000UL)
+#define OBD_MD_FLGENER (0x2000UL)
+#define OBD_MD_FLINLINE (0x4000UL)
+#define OBD_MD_FLOBDMD (0x8000UL)
-extern struct obd_device obd_dev[MAX_OBD_DEVICES];
+/*
+ * ======== OBD Device Declarations ===========
+ */
-
+#define OBD_PSDEV_MAJOR 186
+#define MAX_OBD_DEVICES 8
+#define MAX_MULTI 16
+
+
+extern struct obd_device obd_dev[MAX_OBD_DEVICES];
#define OBD_ATTACHED 0x1
struct obd_conn {
struct obd_device *oc_dev;
- unsigned int oc_id;
+ uint32_t oc_id;
};
/* corresponds to one of the obdx */
} u;
};
+/*
+ * ======== OBD Operations Declarations ===========
+ */
+
+
struct obd_ops {
- int (*o_attach)(struct obd_device *, int len, void *);
+ int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg, void *uarg);
+ int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key, obd_count *vallen, void **val);
+ int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key, obd_count vallen, void *val);
+ int (*o_attach)(struct obd_device *, obd_count len, void *);
int (*o_detach)(struct obd_device *);
- int (*o_format)(struct obd_device *, int len, void *);
- int (*o_partition)(struct obd_device *, int len, void *);
+ int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
+ int (*o_cleanup)(struct obd_device *dev);
int (*o_connect)(struct obd_conn *conn);
int (*o_disconnect)(struct obd_conn *);
- int (*o_setup) (struct obd_device *dev, int len, void *data);
- int (*o_cleanup)(struct obd_device *dev);
- int (*o_setattr)(struct obd_conn *, obdattr *oa);
- int (*o_getattr)(struct obd_conn *, obdattr *oa);
int (*o_statfs)(struct obd_conn *, struct statfs *statfs);
- int (*o_create)(struct obd_conn *, int prealloc_ino, int *er);
- int (*o_destroy)(struct obd_conn *, obdattr *oa);
- int (*o_read)(struct obd_conn *, obdattr *ino, char *buf, unsigned long *count, loff_t offset);
- int (*o_read2)(struct obd_conn *, obdattr *oa, char *buf, unsigned long *count, loff_t offset);
- int (*o_write)(struct obd_conn *, obdattr *oa, char *buf, unsigned long *count, loff_t offset);
- int (*o_brw)(int rw, struct obd_conn * conn, obdattr *obj, struct page *page, int create);
- int (*o_preallocate)(struct obd_conn *, unsigned long *req, long inodes[32]);
- int (*o_get_info)(struct obd_conn *, int keylen, void *key, int *vallen, void **val);
- int (*o_set_info)(struct obd_conn *, int keylen, void *key, int vallen, void *val);
- int (*o_migrate)(struct obd_conn *, obdattr *src, obdattr *dst);
- int (*o_copy)(struct obd_conn *dev, obdattr *source, obdattr *target);
+ int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
+ int (*o_create)(struct obd_conn *, struct obdo *oa);
+ int (*o_destroy)(struct obd_conn *, struct obdo *oa);
+ int (*o_setattr)(struct obd_conn *, struct obdo *oa);
+ int (*o_getattr)(struct obd_conn *, struct obdo *oa);
+ int (*o_read)(struct obd_conn *, struct obdo *oa, char *buf, obd_size *count, obd_off offset);
+ int (*o_write)(struct obd_conn *, struct obdo *oa, char *buf, obd_size *count, obd_off offset);
+ int (*o_brw)(int rw, struct obd_conn * conn, struct obdo *oa, char *buf, obd_size count, obd_off offset, obd_flag flags);
+ int (*o_punch)(struct obd_conn *, struct obdo *tgt, obd_size count, obd_off offset);
+ int (*o_sync)(struct obd_conn *, struct obdo *tgt, obd_size count, obd_off offset);
+ int (*o_migrate)(struct obd_conn *, struct obdo *dst, struct obdo *src, obd_size count, obd_off offset);
+ int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst, struct obd_conn *srconn, struct obdo *src, obd_size count, obd_off offset);
+ int (*o_iterate)(struct obd_conn *, int (*)(obd_id, void *), obd_id start, void *);
};
-#define OBP(dev,op) dev->obd_type->typ_ops->o_ ## op
+#define OBT(dev) dev->obd_type->typ_ops
+#define OBP(dev,op) dev->obd_type->typ_ops->o_ ## op
+
+
+/*
+ * ======== OBD Metadata Support ===========
+ */
+
+extern int obd_init_obdo_cache(void);
+extern void obd_cleanup_obdo_cache(void);
+
+
+static inline int obdo_has_inline(struct obdo *obdo)
+{
+ return obdo->o_obdflags & OBD_FL_INLINEDATA;
+};
+
+static inline int obdo_has_obdmd(struct obdo *obdo)
+{
+ return obdo->o_obdflags & OBD_FL_OBDMDEXISTS;
+};
+
+/* support routines */
+extern kmem_cache_t *obdo_cachep;
+
+static __inline__ struct obdo *obdo_alloc(void)
+{
+ struct obdo *res = NULL;
+
+ res = kmem_cache_alloc(obdo_cachep, SLAB_KERNEL);
+ memset(res, 0, sizeof (*res));
+
+ return res;
+}
+
+static __inline__ void obdo_free(struct obdo *oa)
+{
+ if ( !oa )
+ return;
+ kmem_cache_free(obdo_cachep, oa);
+}
+
+
+
+static __inline__ struct obdo *obdo_fromid(struct obd_conn *conn, obd_id id)
+{
+ struct obdo *res = NULL;
+
+ res = kmem_cache_alloc(obdo_cachep, SLAB_KERNEL);
+ if ( !res ) {
+ EXIT;
+ return NULL;
+ }
+ memset(res, 0, sizeof(*res));
+ res->o_id = id;
+ if (OBP(conn->oc_dev, getattr)(conn, res)) {
+ OBD_FREE(res, sizeof(*res));
+ EXIT;
+ return NULL;
+ }
+ EXIT;
+ return res;
+}
+
+static inline void obdo_from_iattr(struct obdo *oa, struct iattr *attr)
+{
+ unsigned int ia_valid = attr->ia_valid;
+
+ if (ia_valid & ATTR_ATIME) {
+ oa->o_atime = attr->ia_atime;
+ oa->o_valid |= OBD_MD_FLATIME;
+ }
+ if (ia_valid & ATTR_MTIME) {
+ oa->o_mtime = attr->ia_mtime;
+ oa->o_valid |= OBD_MD_FLMTIME;
+ }
+ if (ia_valid & ATTR_CTIME) {
+ oa->o_ctime = attr->ia_ctime;
+ oa->o_valid |= OBD_MD_FLCTIME;
+ }
+ if (ia_valid & ATTR_SIZE) {
+ oa->o_size = attr->ia_size;
+ oa->o_valid |= OBD_MD_FLSIZE;
+ }
+ if (ia_valid & ATTR_MODE) {
+ oa->o_mode = attr->ia_mode;
+ oa->o_valid |= OBD_MD_FLMODE;
+ if (!in_group_p(oa->o_gid) && !capable(CAP_FSETID))
+ oa->o_mode &= ~S_ISGID;
+ }
+ if (ia_valid & ATTR_UID)
+ {
+ oa->o_uid = attr->ia_uid;
+ oa->o_valid |= OBD_MD_FLUID;
+ }
+ if (ia_valid & ATTR_GID) {
+ oa->o_gid = attr->ia_gid;
+ oa->o_valid |= OBD_MD_FLGID;
+ }
+}
+
+
+static __inline__ void obdo_cpy_md(struct obdo *dst, struct obdo *src)
+{
+ CDEBUG(D_INODE, "flags 0x%x\n", src->o_valid);
+ if ( src->o_valid & OBD_MD_FLATIME )
+ dst->o_atime = src->o_atime;
+ if ( src->o_valid & OBD_MD_FLMTIME )
+ dst->o_mtime = src->o_mtime;
+ if ( src->o_valid & OBD_MD_FLCTIME )
+ dst->o_ctime = src->o_ctime;
+ if ( src->o_valid & OBD_MD_FLSIZE )
+ dst->o_size = src->o_size;
+ if ( src->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
+ dst->o_blocks = src->o_blocks;
+ if ( src->o_valid & OBD_MD_FLBLKSZ )
+ dst->o_blksize = src->o_blksize;
+ if ( src->o_valid & OBD_MD_FLMODE )
+ dst->o_mode = src->o_mode;
+ if ( src->o_valid & OBD_MD_FLUID )
+ dst->o_uid = src->o_uid;
+ if ( src->o_valid & OBD_MD_FLGID )
+ dst->o_gid = src->o_gid;
+ if ( src->o_valid & OBD_MD_FLFLAGS )
+ dst->o_flags = src->o_flags;
+ if ( src->o_valid & OBD_MD_FLOBDFLG )
+ dst->o_obdflags = src->o_obdflags;
+ if ( src->o_valid & OBD_MD_FLNLINK )
+ dst->o_nlink = src->o_nlink;
+ if ( src->o_valid & OBD_MD_FLGENER )
+ dst->o_generation = src->o_generation;
+ if ( src->o_valid & OBD_MD_FLINLINE )
+ memcpy(dst->o_inline, src->o_inline, sizeof(src->o_inline));
+ if ( src->o_valid & OBD_MD_FLOBDMD )
+ memcpy(dst->o_obdmd, src->o_obdmd, sizeof(src->o_obdmd));
+
+ dst->o_valid |= src->o_valid;
+}
+
+static __inline__ void obdo_from_inode(struct obdo *dst, struct inode *src)
+{
+ CDEBUG(D_INODE, "flags %x\n", dst->o_valid);
+ if ( dst->o_valid & OBD_MD_FLID )
+ dst->o_id = src->i_ino;
+ if ( dst->o_valid & OBD_MD_FLATIME )
+ dst->o_atime = src->i_atime;
+ if ( dst->o_valid & OBD_MD_FLMTIME )
+ dst->o_mtime = src->i_mtime;
+ if ( dst->o_valid & OBD_MD_FLCTIME )
+ dst->o_ctime = src->i_ctime;
+ if ( dst->o_valid & OBD_MD_FLSIZE )
+ dst->o_size = src->i_size;
+ if ( dst->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
+ dst->o_blocks = src->i_blocks;
+ if ( dst->o_valid & OBD_MD_FLBLKSZ )
+ dst->o_blksize = src->i_blksize;
+ if ( dst->o_valid & OBD_MD_FLMODE )
+ dst->o_mode = src->i_mode;
+ if ( dst->o_valid & OBD_MD_FLUID )
+ dst->o_uid = src->i_uid;
+ if ( dst->o_valid & OBD_MD_FLGID )
+ dst->o_gid = src->i_gid;
+ if ( dst->o_valid & OBD_MD_FLFLAGS )
+ dst->o_flags = src->i_flags;
+ if ( dst->o_valid & OBD_MD_FLNLINK )
+ dst->o_nlink = src->i_nlink;
+ if ( dst->o_valid & OBD_MD_FLGENER )
+ dst->o_generation = src->i_generation;
+}
+
+static __inline__ void obdo_to_inode(struct inode *dst, struct obdo *src)
+{
+
+ CDEBUG(D_INODE, "flags %x\n", src->o_valid);
+ if ( src->o_valid & OBD_MD_FLID )
+ dst->i_ino = src->o_id;
+ if ( src->o_valid & OBD_MD_FLATIME )
+ dst->i_atime = src->o_atime;
+ if ( src->o_valid & OBD_MD_FLMTIME )
+ dst->i_mtime = src->o_mtime;
+ if ( src->o_valid & OBD_MD_FLCTIME )
+ dst->i_ctime = src->o_ctime;
+ if ( src->o_valid & OBD_MD_FLSIZE )
+ dst->i_size = src->o_size;
+ if ( src->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
+ dst->i_blocks = src->o_blocks;
+ if ( src->o_valid & OBD_MD_FLBLKSZ )
+ dst->i_blksize = src->o_blksize;
+ if ( src->o_valid & OBD_MD_FLMODE )
+ dst->i_mode = src->o_mode;
+ if ( src->o_valid & OBD_MD_FLUID )
+ dst->i_uid = src->o_uid;
+ if ( src->o_valid & OBD_MD_FLGID )
+ dst->i_gid = src->o_gid;
+ if ( src->o_valid & OBD_MD_FLFLAGS )
+ dst->i_flags = src->o_flags;
+ if ( src->o_valid & OBD_MD_FLNLINK )
+ dst->i_nlink = src->o_nlink;
+ if ( src->o_valid & OBD_MD_FLGENER )
+ dst->i_generation = src->o_generation;
+}
+
+static __inline__ int obdo_cmp_md(struct obdo *dst, struct obdo *src)
+{
+ int res = 1;
+
+ if ( src->o_valid & OBD_MD_FLMODE )
+ res = (res && (dst->o_mode == src->o_mode));
+ if ( src->o_valid & OBD_MD_FLUID )
+ res = (res && (dst->o_uid == src->o_uid));
+ if ( src->o_valid & OBD_MD_FLGID )
+ res = (res && (dst->o_gid == src->o_gid));
+ if ( src->o_valid & OBD_MD_FLSIZE )
+ res = (res && (dst->o_size == src->o_size));
+ if ( src->o_valid & OBD_MD_FLATIME )
+ res = (res && (dst->o_atime == src->o_atime));
+ if ( src->o_valid & OBD_MD_FLMTIME )
+ res = (res && (dst->o_mtime == src->o_mtime));
+ if ( src->o_valid & OBD_MD_FLCTIME )
+ res = (res && (dst->o_ctime == src->o_ctime));
+ if ( src->o_valid & OBD_MD_FLFLAGS )
+ res = (res && (dst->o_flags == src->o_flags));
+ /* allocation of space */
+ if ( src->o_valid & OBD_MD_FLBLOCKS )
+ res = (res && (dst->o_blocks == src->o_blocks));
+ return res;
+}
+
+
int obd_register_type(struct obd_ops *ops, char *nm);
int obd_unregister_type(char *nm);
};
/* generic operations shared by various OBD types */
+int gen_multi_setup(struct obd_device *obddev, uint32_t len, void *data);
+int gen_multi_cleanup(struct obd_device *obddev);
+int gen_multi_attach(struct obd_device *obddev, uint32_t len, void *data);
+int gen_multi_detach(struct obd_device *obddev);
int gen_connect (struct obd_conn *conn);
int gen_disconnect(struct obd_conn *conn);
-int gen_multi_setup(struct obd_device *obddev, int len, void *data);
-int gen_multi_cleanup(struct obd_device *obddev);
-int gen_multi_attach(struct obd_device *obddev, int len, void *data);
struct obd_client *gen_client(struct obd_conn *);
-int gen_multi_detach(struct obd_device *obddev);
int gen_cleanup(struct obd_device *obddev);
-int gen_copy_data(struct obd_conn *, obdattr *source, obdattr *target);
+int gen_copy_data(struct obd_conn *dst_conn, struct obdo *dst,
+ struct obd_conn *src_conn, struct obdo *src,
+ obd_size count, obd_off offset);
/*
- * ioctl commands
+ * ======== OBD IOCL Declarations ===========
*/
-struct oic_attach {
+struct oic_generic {
+ int att_connid;
int att_typelen;
void *att_type;
int att_datalen;
void *att_data;
};
-struct oic_prealloc_s {
- unsigned long cli_id;
- unsigned long alloc; /* user sets it to the number of inodes requesting
- * to be preallocated. kernel sets it to the actual number
- * of succesfully preallocated inodes */
- long inodes[32]; /* actual inode numbers */
-};
-struct oic_create_s {
- unsigned int conn_id;
- unsigned long prealloc;
+/* for preallocation */
+struct oic_prealloc_s {
+ uint32_t cli_id;
+ uint32_t alloc; /* user sets it to the number of inodes
+ * requesting to be preallocated. kernel
+ * sets it to the actual number * of
+ * succesfully preallocated inodes */
+ obd_id ids[32]; /* actual inode numbers */
};
+/* for getattr, setattr, create, destroy */
struct oic_attr_s {
- unsigned int conn_id;
- unsigned long ino;
- struct iattr iattr;
+ uint32_t conn_id;
+ struct obdo obdo;
};
+/* for copy, migrate */
struct ioc_mv_s {
- unsigned int conn_id;
- objid src;
- objid tgt;
+ unsigned int src_conn_id;
+ struct obdo src;
+ unsigned int dst_conn_id;
+ struct obdo dst;
};
+/* for read/write */
struct oic_rw_s {
- unsigned int conn_id;
- unsigned long id;
+ uint32_t conn_id;
+ struct obdo obdo;
char * buf;
- unsigned long count;
- loff_t offset;
+ obd_size count;
+ obd_off offset;
};
-struct oic_partition {
- int partition;
- unsigned int size;
+/* for punch, sync */
+struct oic_range_s {
+ uint32_t conn_id;
+ struct obdo obdo;
+ obd_size count;
+ obd_off offset;
};
return -EINVAL; }} while (0)
-/* support routines */
-static __inline__ obdattr *obd_empty_oa(void)
-{
- obdattr *res = NULL;
- OBD_ALLOC(res, obdattr *, sizeof(*res));
- return res;
-}
-
-static __inline__ void obd_free_oa(obdattr *oa)
-{
- if ( !oa )
- return;
- OBD_FREE(oa,sizeof(*oa));
-}
-
-
-
-static __inline__ obdattr *obd_oa_fromid(struct obd_conn *conn, objid id)
-{
- obdattr *res = NULL;
-
- OBD_ALLOC(res, obdattr *, sizeof(*res));
- if ( !res )
- return NULL;
- memset(res, 0, sizeof(*res));
- res->i_ino = id;
- if (conn->oc_dev->obd_type->typ_ops->o_getattr(conn, res)) {
- OBD_FREE(res, sizeof(*res));
- return NULL;
- }
-
- return res;
-}
-
-/* #define obd_cpy_obdo(a,b) memcpy(a, b, sizeof(*a)) */
-
-static __inline__ void obd_cpy_appmd(obdattr *a, obdattr *b)
-{
- a->i_mode = b->i_mode;
- a->i_uid = b->i_uid;
- a->i_gid = b->i_gid;
- a->i_size = b->i_size;
- a->i_atime = b->i_atime;
- a->i_mtime = b->i_mtime;
- a->i_ctime = b->i_ctime;
- a->i_flags = b->i_flags;
- /* allocation of space */
- a->i_blocks = b->i_blocks;
-}
#endif /* __LINUX_CLASS_OBD_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff