#define MYPATHLEN(buffer, path) ((buffer) + PAGE_SIZE - (path))
-#define SMFS_KML_POST(dir, dentry, data1, data2, op, name, rc, label) \
-do { \
- if (smfs_do_rec(dir) && !rc) { \
- CDEBUG(D_INODE, "Do %s kml post for dir %lu \n", \
- name, dir->i_ino); \
- rc = smfs_post_kml_rec(dir, dentry, data1, data2, op); \
- if (rc) \
- GOTO(label, rc); \
- } \
-} while(0)
#define PACK_KML_REC_INIT(buffer, op_code) \
do{ \
buffer += sizeof(opcode); \
} while (0)
+
extern int init_smfs_proc_sys(void);
/*options.c*/
extern int get_opt(struct option **option, char **pos);
{
return &smb->sm_ops->sm_journal_ops;
}
-/*super.c*/
-extern int init_smfs(void);
-extern int cleanup_smfs(void);
-extern void smfs_put_super(struct super_block *sb);
-extern struct super_block *smfs_get_sb_by_path(char *path, int len);
-extern struct vfsmount* get_vfsmount(struct super_block *sb);
+
+struct smfs_hook_ops *smfs_alloc_hook_ops(char *name,
+ smfs_hook_func pre_hook,
+ smfs_hook_func post_hook);
+
+void smfs_free_hook_ops(struct smfs_hook_ops *hops);
+int smfs_register_hook_ops(struct smfs_super_info *smb,
+ struct smfs_hook_ops *smh_ops);
+
+struct smfs_hook_ops *smfs_unregister_hook_ops(struct smfs_super_info *smb,
+ char *name);
+/*smfs_lib.c*/
+void smfs_put_super(struct super_block *sb);
+int smfs_fill_super(struct super_block *sb, void *data, int silent);
/*sysctl.c*/
extern int sm_debug_level;
extern int sm_inodes;
extern int smfs_open(struct inode * inode, struct file * filp);
extern int smfs_release(struct inode * inode, struct file * filp);
/*inode.c*/
+struct inode *smfs_get_inode(struct super_block *sb, ino_t hash,
+ struct inode *dir, int index);
+
extern struct super_operations smfs_super_ops;
+
+struct smfs_iget_args {
+ struct inode *s_inode;
+ int s_index;
+ int s_ino;
+};
/*symlink.c*/
extern struct inode_operations smfs_sym_iops;
extern struct file_operations smfs_sym_fops;
extern int smfs_post_rec_create(struct inode *dir, struct dentry *dentry,
void *data1, void *data2);
/*kml.c*/
-extern int smfs_kml_init(struct super_block *sb);
-extern int smfs_do_rec(struct inode *inode);
-extern int smfs_rec_cleanup(struct super_block *sb);
-extern int smfs_rec_init(struct super_block *sb);
+int smfs_do_rec(struct inode *inode);
+int smfs_rec_cleanup(struct smfs_super_info *sb);
+int smfs_rec_init(struct super_block *sb);
+
extern int smfs_rec_unpack(struct smfs_proc_args *args, char *record,
char **pbuf, int *opcode);
extern int smfs_process_rec(struct super_block *sb, int count,
char *dir, int flags);
extern smfs_pack_rec_func smfs_get_rec_pack_type(struct super_block *sb);
-extern int ost_rec_pack_init(struct super_block *sb);
+
+/*mds_kml.c*/
+int mds_rec_pack_init(struct super_block *sb);
/*ost_kml.c*/
-extern int mds_rec_pack_init(struct super_block *sb);
+int ost_rec_pack_init(struct super_block *sb);
/*smfs_llog.c*/
extern int smfs_llog_setup(struct super_block *sb, struct vfsmount *mnt);
extern void smfs_cleanup_psdev(void);
/*smfs_cow.c */
-extern int smfs_cow_init(struct super_block *sb);
/* cache_space.c */
extern int do_cache_manage;
struct cache_purge_queue {
struct dentry *old_dentry, struct inode *new_dir,
struct dentry *new_dentry);
-extern int cache_space_hook_setup(struct super_block *);
-extern int cache_space_hook_cleanup(void);
-extern int cache_space_hook_init(struct super_block *);
-extern int cache_space_hook_exit(struct super_block *);
+int cache_space_hook_setup(struct super_block *);
+int cache_space_hook_cleanup(void);
+int cache_space_hook_init(struct super_block *sb);
+int cache_space_hook_exit(struct smfs_super_info *smfs_info);
#define XATTR_SMFS_HOARD_MARK "hoard"
#define XATTR_SMFS_CACHE_LOGCOOKIE "cache"
rc = 0;
RETURN(rc);
}
+#define HOOK_CREATE 1
+#define HOOK_LOOKUP 2
+#define HOOK_LINK 3
+#define HOOK_UNLINK 4
+#define HOOK_SYMLINK 5
+#define HOOK_MKDIR 6
+#define HOOK_RMDIR 7
+#define HOOK_MKNOD 8
+#define HOOK_RENAME 9
+#define HOOK_SETATTR 10
+#define HOOK_WRITE 11
+#define HOOK_MAX 11
-#define CACHE_HOOK_CREATE 1
-#define CACHE_HOOK_LOOKUP 2
-#define CACHE_HOOK_LINK 3
-#define CACHE_HOOK_UNLINK 4
-#define CACHE_HOOK_SYMLINK 5
-#define CACHE_HOOK_MKDIR 6
-#define CACHE_HOOK_RMDIR 7
-#define CACHE_HOOK_MKNOD 8
-#define CACHE_HOOK_RENAME 9
-
-#define CACHE_HOOK_MAX 9
-
-#define SMFS_CACHE_HOOK_PRE(op, handle, dir) \
-{ \
- if (smfs_cache_hook(dir)) { \
- LASSERT(handle != NULL); \
- CDEBUG(D_INODE, "cache hook pre: op %d, dir %lu\n", \
- op, dir->i_ino); \
- cache_space_pre(dir, op); \
- } \
-}
+#define PRE_HOOK 0
+#define POST_HOOK 1
+#define SMFS_HOOK(inode, dentry, data1, data2, op, handle, flag, rc, label) \
+do { \
+ LASSERT(inode->i_sb); \
+ if (!rc) { \
+ struct smfs_super_info *smb = S2SMI(inode->i_sb); \
+ struct list_head *hlist = &smb->smsi_hook_list; \
+ struct list_head *p; \
+ \
+ list_for_each(p, hlist) { \
+ struct smfs_hook_ops *hops; \
+ \
+ hops = list_entry(p, typeof(*hops), smh_list); \
+ if (flag == PRE_HOOK && hops->smh_pre_op) \
+ rc = hops->smh_pre_op(inode, dentry, data1, \
+ data2, op, handle); \
+ else if (flag == POST_HOOK && hops->smh_post_op) \
+ rc = hops->smh_post_op(inode, dentry, data1, \
+ data2, op, handle); \
+ if (rc) \
+ break; \
+ } \
+ } \
+ if (rc) \
+ GOTO(label, rc); \
+} while(0) \
-#define SMFS_CACHE_HOOK_POST(op, handle, old_dir, old_dentry, \
- new_dir, new_dentry, rc, label) \
-{ \
- if (!rc && smfs_cache_hook(old_dir)) { \
- LASSERT(handle != NULL); \
- CDEBUG(D_INODE, "cache hook post: op %d, dir %lu\n", \
- op, old_dir->i_ino); \
- rc = cache_space_post(op, handle, old_dir, old_dentry, \
- new_dir, new_dentry); \
- if (rc) \
- GOTO(label, rc); \
- } \
-}
-#if CONFIG_SNAP
-/*snap macros*/
-#define SMFS_PRE_COW(dir, dentry, op, name, rc, label) \
+#define SMFS_GET_INODE(sb, cache_inode, dir, inode, rc, label) \
do { \
- if (smfs_do_cow(dir) && !rc) { \
- CDEBUG(D_INODE, "Do %s snap post for dir %lu \n", \
- name, dir->i_ino); \
- rc = smfs_cow(dir, dentry, op); \
- if (rc) \
- GOTO(label, rc); \
- } \
-} while(0)
+ LASSERT(cache_inode); \
+ inode = smfs_get_inode(sb, cache_inode->i_ino, dir, 0); \
+ iput(cache_inode); \
+ if (!inode) \
+ GOTO(label, rc = -ENOENT); \
+} while(0)
+
+
+#if CONFIG_SNAPFS
+int smfs_cow_init(struct super_block *sb);
+int smfs_cow_cleanup(struct smfs_super_info *smb);
+int smfs_snap_test_inode(struct inode *inode, void *args);
#else
-#define SMFS_PRE_COW(dir, dentry, op, name, rc, label)
+#define SMFS_PRE_COW(dir, dentry, new_dir, new_dentry, op, name, rc, label)
#endif
-
#endif /*__KERNEL*/
#endif /* __LINUX_SMFS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff