diff options
Diffstat (limited to 'kernel/drivers/staging/lustre/lustre/llite/llite_internal.h')
| -rw-r--r-- | kernel/drivers/staging/lustre/lustre/llite/llite_internal.h | 111 |
1 files changed, 32 insertions, 79 deletions
diff --git a/kernel/drivers/staging/lustre/lustre/llite/llite_internal.h b/kernel/drivers/staging/lustre/lustre/llite/llite_internal.h index 5f918e3c4..9096d311e 100644 --- a/kernel/drivers/staging/lustre/lustre/llite/llite_internal.h +++ b/kernel/drivers/staging/lustre/lustre/llite/llite_internal.h @@ -57,12 +57,6 @@ #define VM_FAULT_RETRY 0 #endif -/* Kernel 3.1 kills LOOKUP_CONTINUE, LOOKUP_PARENT is equivalent to it. - * seem kernel commit 49084c3bb2055c401f3493c13edae14d49128ca0 */ -#ifndef LOOKUP_CONTINUE -#define LOOKUP_CONTINUE LOOKUP_PARENT -#endif - /** Only used on client-side for indicating the tail of dir hash/offset. */ #define LL_DIR_END_OFF 0x7fffffffffffffffULL #define LL_DIR_END_OFF_32BIT 0x7fffffffUL @@ -77,7 +71,7 @@ struct ll_dentry_data { struct rcu_head lld_rcu_head; }; -#define ll_d2d(de) ((struct ll_dentry_data*)((de)->d_fsdata)) +#define ll_d2d(de) ((struct ll_dentry_data *)((de)->d_fsdata)) #define LLI_INODE_MAGIC 0x111d0de5 #define LLI_INODE_DEAD 0xdeadd00d @@ -140,11 +134,9 @@ struct ll_inode_info { struct lu_fid lli_pfid; struct list_head lli_close_list; - struct list_head lli_oss_capas; /* open count currently used by capability only, indicate whether * capability needs renewal */ atomic_t lli_open_count; - struct obd_capa *lli_mds_capa; unsigned long lli_rmtperm_time; /* handle is to be sent to MDS later on done_writing and setattr. @@ -404,8 +396,8 @@ enum stats_track_type { #define LL_SBI_USER_XATTR 0x08 /* support user xattr */ #define LL_SBI_ACL 0x10 /* support ACL */ #define LL_SBI_RMT_CLIENT 0x40 /* remote client */ -#define LL_SBI_MDS_CAPA 0x80 /* support mds capa */ -#define LL_SBI_OSS_CAPA 0x100 /* support oss capa */ +#define LL_SBI_MDS_CAPA 0x80 /* support mds capa, obsolete */ +#define LL_SBI_OSS_CAPA 0x100 /* support oss capa, obsolete */ #define LL_SBI_LOCALFLOCK 0x200 /* Local flocks support by kernel */ #define LL_SBI_LRU_RESIZE 0x400 /* lru resize support */ #define LL_SBI_LAZYSTATFS 0x800 /* lazystatfs mount option */ @@ -462,7 +454,6 @@ struct eacl_table { }; struct ll_sb_info { - struct list_head ll_list; /* this protects pglist and ra_info. It isn't safe to * grab from interrupt contexts */ spinlock_t ll_lock; @@ -471,7 +462,7 @@ struct ll_sb_info { struct obd_uuid ll_sb_uuid; struct obd_export *ll_md_exp; struct obd_export *ll_dt_exp; - struct proc_dir_entry* ll_proc_root; + struct dentry *ll_debugfs_entry; struct lu_fid ll_root_fid; /* root object fid */ int ll_flags; @@ -493,9 +484,6 @@ struct ll_sb_info { unsigned int ll_namelen; struct file_operations *ll_fop; - /* =0 - hold lock over whole read/write - * >0 - max. chunk to be read/written w/o lock re-acquiring */ - unsigned long ll_max_rw_chunk; unsigned int ll_md_brw_size; /* used by readdir */ struct lu_site *ll_site; @@ -524,10 +512,11 @@ struct ll_sb_info { struct rmtacl_ctl_table ll_rct; struct eacl_table ll_et; __kernel_fsid_t ll_fsid; + struct kobject ll_kobj; /* sysfs object */ + struct super_block *ll_sb; /* struct super_block (for sysfs code)*/ + struct completion ll_kobj_unregister; }; -#define LL_DEFAULT_MAX_RW_CHUNK (32 * 1024 * 1024) - struct ll_ra_read { pgoff_t lrr_start; pgoff_t lrr_count; @@ -644,7 +633,8 @@ struct lov_stripe_md; extern spinlock_t inode_lock; -extern struct proc_dir_entry *proc_lustre_fs_root; +extern struct dentry *llite_root; +extern struct kset *llite_kset; static inline struct inode *ll_info2i(struct ll_inode_info *lli) { @@ -667,33 +657,16 @@ static inline int ll_need_32bit_api(struct ll_sb_info *sbi) void ll_ra_read_in(struct file *f, struct ll_ra_read *rar); void ll_ra_read_ex(struct file *f, struct ll_ra_read *rar); -struct ll_ra_read *ll_ra_read_get(struct file *f); /* llite/lproc_llite.c */ -#if defined (CONFIG_PROC_FS) -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); +int ldebugfs_register_mountpoint(struct dentry *parent, + struct super_block *sb, char *osc, char *mdc); +void ldebugfs_unregister_mountpoint(struct ll_sb_info *sbi); void ll_stats_ops_tally(struct ll_sb_info *sbi, int op, int count); void lprocfs_llite_init_vars(struct lprocfs_static_vars *lvars); void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid, struct ll_file_data *file, loff_t pos, size_t count, int rw); -#else -static inline int lprocfs_register_mountpoint(struct proc_dir_entry *parent, - struct super_block *sb, char *osc, char *mdc){return 0;} -static inline void lprocfs_unregister_mountpoint(struct ll_sb_info *sbi) {} -static inline -void ll_stats_ops_tally(struct ll_sb_info *sbi, int op, int count) {} -static inline void lprocfs_llite_init_vars(struct lprocfs_static_vars *lvars) -{ - memset(lvars, 0, sizeof(*lvars)); -} -static inline void ll_rw_stats_tally(struct ll_sb_info *sbi, pid_t pid, - struct ll_file_data *file, loff_t pos, - size_t count, int rw) {} -#endif - /* llite/dir.c */ void ll_release_page(struct page *page, int remove); @@ -714,7 +687,6 @@ struct inode *ll_iget(struct super_block *sb, ino_t hash, int ll_md_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *, void *data, int flag); struct dentry *ll_splice_alias(struct inode *inode, struct dentry *de); -int ll_rmdir_entry(struct inode *dir, char *name, int namelen); /* llite/rw.c */ int ll_prepare_write(struct file *, struct page *, unsigned from, unsigned to); @@ -727,22 +699,18 @@ int ll_readahead(const struct lu_env *env, struct cl_io *io, struct ll_readahead_state *ras, struct address_space *mapping, struct cl_page_list *queue, int flags); -#ifndef MS_HAS_NEW_AOPS extern const struct address_space_operations ll_aops; -#else -extern const struct address_space_operations_ext ll_aops; -#endif /* llite/file.c */ extern struct file_operations ll_file_operations; extern struct file_operations ll_file_operations_flock; extern struct file_operations ll_file_operations_noflock; extern struct inode_operations ll_file_inode_operations; -extern int ll_have_md_lock(struct inode *inode, __u64 *bits, - ldlm_mode_t l_req_mode); -extern ldlm_mode_t ll_take_md_lock(struct inode *inode, __u64 bits, - struct lustre_handle *lockh, __u64 flags, - ldlm_mode_t mode); +int ll_have_md_lock(struct inode *inode, __u64 *bits, + ldlm_mode_t l_req_mode); +ldlm_mode_t ll_take_md_lock(struct inode *inode, __u64 bits, + struct lustre_handle *lockh, __u64 flags, + ldlm_mode_t mode); int ll_file_open(struct inode *inode, struct file *file); int ll_file_release(struct inode *inode, struct file *file); int ll_glimpse_ioctl(struct ll_sb_info *sbi, @@ -819,8 +787,6 @@ int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req, int ll_obd_statfs(struct inode *inode, void *arg); int ll_get_max_mdsize(struct ll_sb_info *sbi, int *max_mdsize); int ll_get_default_mdsize(struct ll_sb_info *sbi, int *default_mdsize); -int ll_get_max_cookiesize(struct ll_sb_info *sbi, int *max_cookiesize); -int ll_get_default_cookiesize(struct ll_sb_info *sbi, int *default_cookiesize); int ll_process_config(struct lustre_cfg *lcfg); struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, struct inode *i1, struct inode *i2, @@ -829,6 +795,7 @@ struct md_op_data *ll_prep_md_op_data(struct md_op_data *op_data, void ll_finish_md_op_data(struct md_op_data *op_data); int ll_get_obd_name(struct inode *inode, unsigned int cmd, unsigned long arg); char *ll_get_fsname(struct super_block *sb, char *buf, int buflen); +void ll_open_cleanup(struct super_block *sb, struct ptlrpc_request *open_req); /* llite/llite_nfs.c */ extern struct export_operations lustre_export_operations; @@ -851,7 +818,6 @@ struct ll_close_queue { struct ccc_object *cl_inode2ccc(struct inode *inode); - void vvp_write_pending (struct ccc_object *club, struct ccc_page *page); void vvp_write_complete(struct ccc_object *club, struct ccc_page *page); @@ -878,7 +844,7 @@ struct vvp_io { * Inode modification time that is checked across DLM * lock request. */ - time_t ft_mtime; + time64_t ft_mtime; struct vm_area_struct *ft_vma; /** * locked page returned from vvp_io @@ -1028,6 +994,7 @@ static inline struct obd_export *ll_s2mdexp(struct super_block *sb) static inline struct client_obd *sbi2mdc(struct ll_sb_info *sbi) { struct obd_device *obd = sbi->ll_md_exp->exp_obd; + if (obd == NULL) LBUG(); return &obd->u.cli; @@ -1080,25 +1047,6 @@ void free_rmtperm_hash(struct hlist_head *hash); int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm); int lustre_check_remote_perm(struct inode *inode, int mask); -/* llite/llite_capa.c */ -extern struct timer_list ll_capa_timer; - -int ll_capa_thread_start(void); -void ll_capa_thread_stop(void); -void ll_capa_timer_callback(unsigned long unused); - -struct obd_capa *ll_add_capa(struct inode *inode, struct obd_capa *ocapa); - -void ll_capa_open(struct inode *inode); -void ll_capa_close(struct inode *inode); - -struct obd_capa *ll_mdscapa_get(struct inode *inode); -struct obd_capa *ll_osscapa_get(struct inode *inode, __u64 opc); - -void ll_truncate_free_capa(struct obd_capa *ocapa); -void ll_clear_inode_capas(struct inode *inode); -void ll_print_capa_stat(struct ll_sb_info *sbi); - /* llite/llite_cl.c */ extern struct lu_device_type vvp_device_type; @@ -1324,7 +1272,6 @@ typedef enum llioc_iter (*llioc_callback_t)(struct inode *inode, void *ll_iocontrol_register(llioc_callback_t cb, int count, unsigned int *cmd); void ll_iocontrol_unregister(void *magic); - /* lclient compat stuff */ #define cl_inode_info ll_inode_info #define cl_i2info(info) ll_i2info(info) @@ -1372,8 +1319,6 @@ static inline int cl_merge_lvb(const struct lu_env *env, struct inode *inode) #define cl_inode_ctime(inode) LTIME_S((inode)->i_ctime) #define cl_inode_mtime(inode) LTIME_S((inode)->i_mtime) -struct obd_capa *cl_capa_lookup(struct inode *inode, enum cl_req_type crt); - int cl_sync_file_range(struct inode *inode, loff_t start, loff_t end, enum cl_fsync_mode mode, int ignore_layout); @@ -1403,9 +1348,9 @@ static inline void cl_stats_tally(struct cl_device *dev, enum cl_req_type crt, ll_stats_ops_tally(ll_s2sbi(cl2ccc_dev(dev)->cdv_sb), opc, rc); } -extern ssize_t ll_direct_rw_pages(const struct lu_env *env, struct cl_io *io, - int rw, struct inode *inode, - struct ll_dio_pages *pv); +ssize_t ll_direct_rw_pages(const struct lu_env *env, struct cl_io *io, + int rw, struct inode *inode, + struct ll_dio_pages *pv); static inline int ll_file_nolock(const struct file *file) { @@ -1493,7 +1438,15 @@ static inline void d_lustre_invalidate(struct dentry *dentry, int nested) spin_lock_nested(&dentry->d_lock, nested ? DENTRY_D_LOCK_NESTED : DENTRY_D_LOCK_NORMAL); __d_lustre_invalidate(dentry); - if (d_count(dentry) == 0) + /* + * We should be careful about dentries created by d_obtain_alias(). + * These dentries are not put in the dentry tree, instead they are + * linked to sb->s_anon through dentry->d_hash. + * shrink_dcache_for_umount() shrinks the tree and sb->s_anon list. + * If we unhashed such a dentry, unmount would not be able to find + * it and busy inodes would be reported. + */ + if (d_count(dentry) == 0 && !(dentry->d_flags & DCACHE_DISCONNECTED)) __d_drop(dentry); spin_unlock(&dentry->d_lock); } |