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mm: bdi init hooks
provide BDI constructor/destructor hooks [[email protected]: compile fix] Signed-off-by: Peter Zijlstra <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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parent
dc62a30e27
commit
e0bf68ddec
19 changed files with 131 additions and 7 deletions
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@ -56,6 +56,8 @@ extern int configfs_is_root(struct config_item *item);
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extern struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent *);
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extern int configfs_create(struct dentry *, int mode, int (*init)(struct inode *));
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extern int configfs_inode_init(void);
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extern void configfs_inode_exit(void);
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extern int configfs_create_file(struct config_item *, const struct configfs_attribute *);
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extern int configfs_make_dirent(struct configfs_dirent *,
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@ -256,4 +256,12 @@ void configfs_hash_and_remove(struct dentry * dir, const char * name)
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mutex_unlock(&dir->d_inode->i_mutex);
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}
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int __init configfs_inode_init(void)
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{
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return bdi_init(&configfs_backing_dev_info);
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}
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void __exit configfs_inode_exit(void)
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{
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bdi_destroy(&configfs_backing_dev_info);
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}
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@ -154,8 +154,16 @@ static int __init configfs_init(void)
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subsystem_unregister(&config_subsys);
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kmem_cache_destroy(configfs_dir_cachep);
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configfs_dir_cachep = NULL;
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goto out;
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}
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err = configfs_inode_init();
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if (err) {
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unregister_filesystem(&configfs_fs_type);
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subsystem_unregister(&config_subsys);
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kmem_cache_destroy(configfs_dir_cachep);
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configfs_dir_cachep = NULL;
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}
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out:
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return err;
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}
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@ -166,6 +174,7 @@ static void __exit configfs_exit(void)
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subsystem_unregister(&config_subsys);
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kmem_cache_destroy(configfs_dir_cachep);
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configfs_dir_cachep = NULL;
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configfs_inode_exit();
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}
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MODULE_AUTHOR("Oracle");
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