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_readpage, ras_consecutive;
#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;
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 *);
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);
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);
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_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);
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);
+/* 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);
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;
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)
{
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;
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;