#ifndef LLITE_INTERNAL_H
#define LLITE_INTERNAL_H
+struct ll_sb_info {
+ struct obd_uuid ll_sb_uuid;
+// struct lustre_handle ll_mdc_conn;
+ struct obd_export *ll_mdc_exp;
+ struct obd_export *ll_osc_exp;
+ struct proc_dir_entry* ll_proc_root;
+ obd_id ll_rootino; /* number of root inode */
+
+ struct obd_uuid ll_mds_uuid;
+ struct obd_uuid ll_mds_peer_uuid;
+ struct lustre_mount_data *ll_lmd;
+ char *ll_instance;
+
+ int ll_flags;
+ wait_queue_head_t ll_commitcbd_waitq;
+ wait_queue_head_t ll_commitcbd_ctl_waitq;
+ int ll_commitcbd_flags;
+ struct task_struct *ll_commitcbd_thread;
+ time_t ll_commitcbd_waketime;
+ time_t ll_commitcbd_timeout;
+ spinlock_t ll_commitcbd_lock;
+ struct list_head ll_conn_chain; /* per-conn chain of SBs */
+
+ struct hlist_head ll_orphan_dentry_list; /*please don't ask -p*/
+ struct ll_close_queue *ll_lcq;
+
+ struct lprocfs_stats *ll_stats; /* lprocfs stats counter */
+};
-struct ll_sb_info;
struct lustre_handle;
struct lov_stripe_md;
+extern spinlock_t inode_lock;
+
extern void lprocfs_unregister_mountpoint(struct ll_sb_info *sbi);
extern struct proc_dir_entry *proc_lustre_fs_root;
#endif
}
-/* llite/commit_callback.c */
-int ll_commitcbd_setup(struct ll_sb_info *);
-int ll_commitcbd_cleanup(struct ll_sb_info *);
+static inline void ll_i2uctxt(struct ll_uctxt *ctxt, struct inode *i1,
+ struct inode *i2)
+{
+ LASSERT(i1);
+ LASSERT(ctxt);
+
+ if (in_group_p(i1->i_gid))
+ ctxt->gid1 = i1->i_gid;
+ else
+ ctxt->gid1 = -1;
+
+ if (i2) {
+ if (in_group_p(i2->i_gid))
+ ctxt->gid2 = i2->i_gid;
+ else
+ ctxt->gid2 = -1;
+ } else
+ ctxt->gid2 = 0;
+}
+
+struct it_cb_data {
+ struct inode *icbd_parent;
+ struct dentry **icbd_childp;
+ obd_id hash;
+};
+
+#define LLAP_MAGIC 98764321
+
+struct ll_async_page {
+ int llap_magic;
+ void *llap_cookie;
+ int llap_queued;
+ struct page *llap_page;
+ struct list_head llap_pending_write;
+};
-/* lproc_llite.c */
+#define LL_CDEBUG_PAGE(page, STR) \
+ CDEBUG(D_PAGE, "page %p map %p ind %lu priv %0lx: " STR, \
+ page, page->mapping, page->index, page->private)
+
+/* llite/lproc_llite.c */
int lprocfs_register_mountpoint(struct proc_dir_entry *parent,
struct super_block *sb, char *osc, char *mdc);
void lprocfs_unregister_mountpoint(struct ll_sb_info *sbi);
+/* llite/dir.c */
+extern struct file_operations ll_dir_operations;
+extern struct inode_operations ll_dir_inode_operations;
+
/* llite/namei.c */
+int ll_objects_destroy(struct ptlrpc_request *request, struct inode *dir);
struct inode *ll_iget(struct super_block *sb, ino_t hash,
struct lustre_md *lic);
struct dentry *ll_find_alias(struct inode *, struct dentry *);
-int ll_it_open_error(int phase, struct lookup_intent *it);
-int ll_mdc_cancel_unused(struct lustre_handle *conn, struct inode *inode,
- int flags, void *opaque);
+int ll_mdc_cancel_unused(struct lustre_handle *, struct inode *, int flags,
+ void *opaque);
+int ll_mdc_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *,
+ void *data, int flag);
+void ll_prepare_mdc_op_data(struct mdc_op_data *,
+ struct inode *i1, struct inode *i2,
+ const char *name, int namelen, int mode);
/* llite/rw.c */
-void ll_end_writeback(struct inode *, struct page *);
-
-void ll_remove_dirty(struct inode *inode, unsigned long start,
- unsigned long end);
-int ll_rd_dirty_pages(char *page, char **start, off_t off, int count,
- int *eof, void *data);
-int ll_rd_max_dirty_pages(char *page, char **start, off_t off, int count,
- int *eof, void *data);
-int ll_wr_max_dirty_pages(struct file *file, const char *buffer,
- unsigned long count, void *data);
-int ll_clear_dirty_pages(struct lustre_handle *conn, struct lov_stripe_md *lsm,
- unsigned long start, unsigned long end);
-int ll_mark_dirty_page(struct lustre_handle *conn, struct lov_stripe_md *lsm,
- unsigned long index);
-
-/* llite/file.c */
-extern int ll_inode_revalidate_it(struct dentry *dentry, struct lookup_intent *);
-
-/* llite/super.c */
-int ll_inode_setattr(struct inode *inode, struct iattr *attr, int do_trunc);
-int ll_setattr(struct dentry *de, struct iattr *attr);
-
-/* iod.c */
-#define IO_STAT_ADD(FIS, STAT, VAL) do { \
- struct file_io_stats *_fis_ = (FIS); \
- spin_lock(&_fis_->fis_lock); \
- _fis_->fis_##STAT += VAL; \
- spin_unlock(&_fis_->fis_lock); \
-} while (0)
-
-#define INODE_IO_STAT_ADD(INODE, STAT, VAL) \
- IO_STAT_ADD(&ll_i2sbi(INODE)->ll_iostats, STAT, VAL)
-
-#define PAGE_IO_STAT_ADD(PAGE, STAT, VAL) \
- INODE_IO_STAT_ADD((PAGE)->mapping, STAT, VAL)
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-/* XXX lliod needs more work in 2.5 before being proven and brought back
- * to 2.4, it'll at least require a patch to introduce page->private */
-int lliod_start(struct ll_sb_info *sbi, struct inode *inode);
-void lliod_stop(struct ll_sb_info *sbi);
-#else
-#define lliod_start(sbi, inode) ({int _ret = 0; (void)sbi, (void)inode; _ret;})
-#define lliod_stop(sbi) do { (void)sbi; } while (0)
+int ll_prepare_write(struct file *, struct page *, unsigned from, unsigned to);
+int ll_commit_write(struct file *, struct page *, unsigned from, unsigned to);
+void ll_inode_fill_obdo(struct inode *inode, int cmd, struct obdo *oa);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+#define ll_ap_completion ll_ap_completion_24
+void ll_ap_completion_24(void *data, int cmd, int rc);
+#else
+#define ll_ap_completion ll_ap_completion_26
+void ll_ap_completion_26(void *data, int cmd, int rc);
#endif
-void lliod_wakeup(struct inode *inode);
-void lliod_give_plist(struct inode *inode, struct plist *plist, int rw);
-void lliod_give_page(struct inode *inode, struct page *page, int rw);
-void plist_init(struct plist *plist); /* for lli initialization.. */
+int ll_ocp_update_obdo(struct obd_client_page *ocp, int cmd, struct obdo *oa);
+int ll_ocp_set_io_ready(struct obd_client_page *ocp, int cmd);
+int ll_ocp_update_io_args(struct obd_client_page *ocp, int cmd);
+void ll_removepage(struct page *page);
+int ll_readpage(struct file *file, struct page *page);
+struct ll_async_page *llap_from_cookie(void *cookie);
+struct ll_async_page *llap_from_page(struct page *page);
-void ll_lldo_init(struct ll_dirty_offsets *lldo);
-void ll_record_dirty(struct inode *inode, unsigned long offset);
-void ll_remove_dirty(struct inode *inode, unsigned long start,
- unsigned long end);
-int ll_find_dirty(struct ll_dirty_offsets *lldo, unsigned long *start,
- unsigned long *end);
-int ll_farthest_dirty(struct ll_dirty_offsets *lldo, unsigned long *farthest);
+void ll_truncate(struct inode *inode);
+/* llite/file.c */
+extern struct file_operations ll_file_operations;
+extern struct inode_operations ll_file_inode_operations;
+extern int ll_inode_revalidate_it(struct dentry *, struct lookup_intent *);
+int ll_extent_lock(struct ll_file_data *, struct inode *,
+ struct lov_stripe_md *, int mode, struct ldlm_extent *,
+ struct lustre_handle *);
+int ll_extent_unlock(struct ll_file_data *, struct inode *,
+ struct lov_stripe_md *, int mode, struct lustre_handle *);
+int ll_file_open(struct inode *inode, struct file *file);
+int ll_file_release(struct inode *inode, struct file *file);
+int ll_lsm_getattr(struct obd_export *, struct lov_stripe_md *, struct obdo *);
+int ll_extent_lock_no_validate(struct ll_file_data *, struct inode *,
+ struct lov_stripe_md *, int mode,
+ struct ldlm_extent *, struct lustre_handle *,
+ int ast_flags);
-/* llite/super25.c */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+int ll_local_open(struct file *file, struct lookup_intent *it);
+int ll_mdc_close(struct obd_export *mdc_exp, struct inode *inode,
+ struct file *file);
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
int ll_getattr(struct vfsmount *mnt, struct dentry *de,
- struct lookup_intent *it,
- struct kstat *stat);
+ struct lookup_intent *it, struct kstat *stat);
#endif
+/* llite/special.c */
+extern struct inode_operations ll_special_inode_operations;
+extern struct file_operations ll_special_chr_inode_fops;
+extern struct file_operations ll_special_chr_file_fops;
+extern struct file_operations ll_special_blk_inode_fops;
+extern struct file_operations ll_special_fifo_inode_fops;
+extern struct file_operations ll_special_fifo_file_fops;
+extern struct file_operations ll_special_sock_inode_fops;
/* llite/dcache.c */
void ll_intent_release(struct lookup_intent *);
extern void ll_set_dd(struct dentry *de);
void ll_unhash_aliases(struct inode *);
-
-/* llite/rw.c */
-void ll_truncate(struct inode *inode);
-void ll_end_writeback(struct inode *inode, struct page *page);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-int ll_check_dirty(struct super_block *sb);
-int ll_batch_writepage(struct inode *inode, struct obdo *oa, struct page *page);
-#else
-#define ll_check_dirty(SB) do { (void)SB; } while (0)
-#endif
+void ll_frob_intent(struct lookup_intent **itp, struct lookup_intent *deft);
+void ll_lookup_finish_locks(struct lookup_intent *it, struct dentry *dentry);
/* llite/llite_lib.c */
extern struct super_operations ll_super_operations;
+extern struct super_operations lustre_super_operations;
char *ll_read_opt(const char *opt, char *data);
int ll_set_opt(const char *opt, char *data, int fl);
void ll_options(char *options, char **ost, char **mds, int *flags);
void ll_lli_init(struct ll_inode_info *lli);
int ll_fill_super(struct super_block *sb, void *data, int silent);
+int lustre_fill_super(struct super_block *sb, void *data, int silent);
+void lustre_put_super(struct super_block *sb);
void ll_put_super(struct super_block *sb);
+struct inode *ll_inode_from_lock(struct ldlm_lock *lock);
void ll_clear_inode(struct inode *inode);
int ll_attr2inode(struct inode *inode, struct iattr *attr, int trunc);
-int ll_inode_setattr(struct inode *inode, struct iattr *attr, int do_trunc);
int ll_setattr_raw(struct inode *inode, struct iattr *attr);
int ll_setattr(struct dentry *de, struct iattr *attr);
int ll_statfs(struct super_block *sb, struct kstatfs *sfs);
+int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
+ unsigned long maxage);
void ll_update_inode(struct inode *inode, struct mds_body *body,
struct lov_stripe_md *lsm);
int it_disposition(struct lookup_intent *it, int flag);
void it_set_disposition(struct lookup_intent *it, int flag);
void ll_read_inode2(struct inode *inode, void *opaque);
+int ll_iocontrol(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg);
void ll_umount_begin(struct super_block *sb);
+int ll_prep_inode(struct obd_export *exp, struct inode **inode,
+ struct ptlrpc_request *req, int offset, struct super_block *);
+__u32 get_uuid2int(const char *name, int len);
+struct dentry *ll_fh_to_dentry(struct super_block *sb, __u32 *data, int len,
+ int fhtype, int parent);
+int ll_dentry_to_fh(struct dentry *, __u32 *datap, int *lenp, int need_parent);
+/* llite/symlink.c */
+extern struct inode_operations ll_fast_symlink_inode_operations;
+
+/* llite/llite_close.c */
+struct ll_close_queue {
+ spinlock_t lcq_lock;
+ struct list_head lcq_list;
+ wait_queue_head_t lcq_waitq;
+ struct completion lcq_comp;
+};
+void llap_write_pending(struct inode *inode, struct ll_async_page *llap);
+void llap_write_complete(struct inode *inode, struct ll_async_page *llap);
+void ll_open_complete(struct inode *inode);
+int ll_is_inode_dirty(struct inode *inode);
+void ll_try_done_writing(struct inode *inode);
+void ll_queue_done_writing(struct inode *inode);
+void ll_close_thread_shutdown(struct ll_close_queue *lcq);
+int ll_close_thread_start(struct ll_close_queue **lcq_ret);
+/* generic */
+#define LL_SUPER_MAGIC 0x0BD00BD0
+
+#define LL_SBI_NOLCK 0x1
+#define LL_SBI_READAHEAD 0x2
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+#define ll_s2sbi(sb) ((struct ll_sb_info *)((sb)->s_fs_info))
+void __d_rehash(struct dentry * entry, int lock);
+static inline __u64 ll_ts2u64(struct timespec *time)
+{
+ __u64 t = time->tv_sec;
+ return t;
+}
+#else /* 2.4 here */
+#define ll_s2sbi(sb) ((struct ll_sb_info *)((sb)->u.generic_sbp))
+static inline __u64 ll_ts2u64(time_t *time)
+{
+ return *time;
+}
+#endif
+
+/* don't need an addref as the sb_info should be holding one */
+static inline struct obd_export *ll_s2obdexp(struct super_block *sb)
+{
+ return ll_s2sbi(sb)->ll_osc_exp;
+}
+
+/* don't need an addref as the sb_info should be holding one */
+static inline struct obd_export *ll_s2mdcexp(struct super_block *sb)
+{
+ return ll_s2sbi(sb)->ll_mdc_exp;
+}
+
+static inline struct client_obd *sbi2mdc(struct ll_sb_info *sbi)
+{
+ struct obd_device *obd = sbi->ll_mdc_exp->exp_obd;
+ if (obd == NULL)
+ LBUG();
+ return &obd->u.cli;
+}
+
+// FIXME: replace the name of this with LL_SB to conform to kernel stuff
+static inline struct ll_sb_info *ll_i2sbi(struct inode *inode)
+{
+ return ll_s2sbi(inode->i_sb);
+}
+
+static inline struct obd_export *ll_i2obdexp(struct inode *inode)
+{
+ return ll_s2obdexp(inode->i_sb);
+}
+
+static inline struct obd_export *ll_i2mdcexp(struct inode *inode)
+{
+ return ll_s2mdcexp(inode->i_sb);
+}
+
+static inline void ll_inode2fid(struct ll_fid *fid, struct inode *inode)
+{
+ mdc_pack_fid(fid, inode->i_ino, inode->i_generation,
+ inode->i_mode & S_IFMT);
+}
+
+static inline int ll_mds_max_easize(struct super_block *sb)
+{
+ return sbi2mdc(ll_s2sbi(sb))->cl_max_mds_easize;
+}
+
+static inline __u64 ll_file_maxbytes(struct inode *inode)
+{
+ return ll_i2info(inode)->lli_maxbytes;
+}
#endif /* LLITE_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff