#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
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
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.
#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 */
};
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;
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;
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;
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;
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)
{
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);
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);
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,
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,
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;
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);
* 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
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;
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;
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)
#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);
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)
{
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);
}
Code Review / kvmfornfv.git / blobdiff