X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fllite%2Fllite_internal.h;h=da6bb98df9a88ed7531669d37c35f0ef76da5ef5;hb=926c6309185a25a8ac1541cfa67910325ed8626f;hp=80cac348b87e1100ff36e6238b5822934469e8fa;hpb=ff17cc7e0282d9b1522810e0c5d12171c4d46a2d;p=fs%2Flustre-release.git diff --git a/lustre/llite/llite_internal.h b/lustre/llite/llite_internal.h index 80cac34..da6bb98 100644 --- a/lustre/llite/llite_internal.h +++ b/lustre/llite/llite_internal.h @@ -10,27 +10,24 @@ #ifndef LLITE_INTERNAL_H #define LLITE_INTERNAL_H +/* default to about 40meg of readahead on a given system. That much tied + * up in 512k readahead requests serviced at 40ms each is about 1GB/s. */ +#define SBI_DEFAULT_RA_MAX ((40 << 20) >> PAGE_CACHE_SHIFT) + struct ll_sb_info { + /* this protects pglist and max_r_a_pages. It isn't safe to + * grab from interrupt contexts */ + spinlock_t ll_lock; 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*/ @@ -38,24 +35,47 @@ struct ll_sb_info { struct lprocfs_stats *ll_stats; /* lprocfs stats counter */ - spinlock_t ll_pglist_lock; unsigned long ll_pglist_gen; struct list_head ll_pglist; + + unsigned long ll_read_ahead_pages; + unsigned long ll_max_read_ahead_pages; + + int ll_config_version; /* last-applied update */ + + /* list of GNS mounts; protected by the dcache_lock */ + struct list_head ll_mnt_list; + + struct semaphore ll_gns_sem; + wait_queue_head_t ll_gns_waitq; + struct completion ll_gns_completion; + int ll_gns_state; + struct timer_list ll_gns_timer; + struct list_head ll_gns_sbi_head; }; +#define LL_GNS_STATE_IDLE 1100 +#define LL_GNS_STATE_MOUNTING 1101 +#define LL_GNS_STATE_FINISHED 1102 + struct ll_readahead_state { spinlock_t ras_lock; - unsigned long ras_last, ras_window, ras_next_index; + unsigned long ras_last_readpage, ras_consecutive; + unsigned long ras_window_start, ras_window_len; + unsigned long ras_next_readahead; + }; extern kmem_cache_t *ll_file_data_slab; +struct lustre_handle; struct ll_file_data { struct obd_client_handle fd_mds_och; struct ll_readahead_state fd_ras; __u32 fd_flags; + struct lustre_handle fd_cwlockh; + unsigned long fd_gid; }; -struct lustre_handle; struct lov_stripe_md; extern spinlock_t inode_lock; @@ -76,25 +96,6 @@ static inline struct inode *ll_info2i(struct ll_inode_info *lli) #endif } -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; @@ -129,7 +130,8 @@ 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); +int ll_objects_destroy(struct ptlrpc_request *request, + struct inode *dir, int offset); struct inode *ll_iget(struct super_block *sb, ino_t hash, struct lustre_md *lic); struct dentry *ll_find_alias(struct inode *, struct dentry *); @@ -137,26 +139,16 @@ 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 */ 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 ll_ap_completion(void *data, int cmd, struct obdo *oa, int rc); void ll_removepage(struct page *page); -int ll_sync_page(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); +struct ll_async_page *llap_cast_private(struct page *page); void ll_readahead_init(struct inode *inode, struct ll_readahead_state *ras); void ll_truncate(struct inode *inode); @@ -164,8 +156,8 @@ 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 struct inode_operations ll_special_inode_operations; extern int ll_inode_revalidate_it(struct dentry *, struct lookup_intent *); +int ll_refresh_lsm(struct inode *inode, struct lov_stripe_md *lsm); int ll_extent_lock(struct ll_file_data *, struct inode *, struct lov_stripe_md *, int mode, ldlm_policy_data_t *, struct lustre_handle *, int ast_flags); @@ -175,6 +167,9 @@ 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_glimpse_size(struct inode *inode, struct ost_lvb *lvb); +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); @@ -188,19 +183,28 @@ void ll_unhash_aliases(struct inode *); 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 */ +/* llite/llite_gns.c */ +int ll_finish_gns(struct ll_sb_info *sbi); +int fill_page_with_path(struct dentry *, struct vfsmount *, char **pagep); +int ll_dir_process_mount_object(struct dentry *, struct vfsmount *); +int ll_gns_umount_all(struct ll_sb_info *sbi, int timeout); +void ll_gns_timer_callback(unsigned long data); +void ll_gns_add_timer(struct ll_sb_info *sbi); +void ll_gns_del_timer(struct ll_sb_info *sbi); +int ll_gns_start_thread(void); +void ll_gns_stop_thread(void); -extern struct super_operations ll_super_operations; +/* llite/llite_lib.c */ 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_options(char *options, char **ost, char **mds, int *flags, + char **clone_ops); 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); @@ -209,20 +213,32 @@ 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); +void ll_update_inode(struct inode *inode, struct lustre_md *); 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); +void ll_delete_inode(struct inode *inode); 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, +int ll_prep_inode(struct obd_export *, struct obd_export *, 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); +int null_if_equal(struct ldlm_lock *lock, void *data); +int ll_process_config_update(struct ll_sb_info *sbi, int clean); + +/* 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/symlink.c */ extern struct inode_operations ll_fast_symlink_inode_operations; @@ -244,15 +260,14 @@ 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 - -#define LL_MAX_BLKSIZE (4UL * 1024 * 1024) +#define LL_SBI_NOLCK 0x1 +#define LL_SBI_READAHEAD 0x2 +#define LL_SUPER_MAGIC 0x0BD00BD0 +#define LL_MAX_BLKSIZE (4UL * 1024 * 1024) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) -#define ll_s2sbi(sb) ((struct ll_sb_info *)((sb)->s_fs_info)) +#define ll_s2sbi(sb) ((struct ll_sb_info *)((sb)->s_fs_info)) +#define ll_set_sbi(sb, sbi) ((sb)->s_fs_info = sbi) void __d_rehash(struct dentry * entry, int lock); static inline __u64 ll_ts2u64(struct timespec *time) { @@ -260,7 +275,8 @@ static inline __u64 ll_ts2u64(struct timespec *time) return t; } #else /* 2.4 here */ -#define ll_s2sbi(sb) ((struct ll_sb_info *)((sb)->u.generic_sbp)) +#define ll_s2sbi(sb) ((struct ll_sb_info *)((sb)->u.generic_sbp)) +#define ll_set_sbi(sb, sbi) ((sb)->u.generic_sbp = sbi) static inline __u64 ll_ts2u64(time_t *time) { return *time; @@ -303,12 +319,6 @@ 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;