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Diffstat (limited to 'fs/ocfs2/filecheck.h')
-rw-r--r-- | fs/ocfs2/filecheck.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/fs/ocfs2/filecheck.h b/fs/ocfs2/filecheck.h new file mode 100644 index 000000000..6a22ee79e --- /dev/null +++ b/fs/ocfs2/filecheck.h @@ -0,0 +1,74 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * filecheck.h + * + * Online file check. + * + * Copyright (C) 2016 SuSE. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + + +#ifndef FILECHECK_H +#define FILECHECK_H + +#include <linux/types.h> +#include <linux/list.h> + + +/* File check errno */ +enum { + OCFS2_FILECHECK_ERR_SUCCESS = 0, /* Success */ + OCFS2_FILECHECK_ERR_FAILED = 1000, /* Other failure */ + OCFS2_FILECHECK_ERR_INPROGRESS, /* In progress */ + OCFS2_FILECHECK_ERR_READONLY, /* Read only */ + OCFS2_FILECHECK_ERR_INJBD, /* Buffer in jbd */ + OCFS2_FILECHECK_ERR_INVALIDINO, /* Invalid ino */ + OCFS2_FILECHECK_ERR_BLOCKECC, /* Block ecc */ + OCFS2_FILECHECK_ERR_BLOCKNO, /* Block number */ + OCFS2_FILECHECK_ERR_VALIDFLAG, /* Inode valid flag */ + OCFS2_FILECHECK_ERR_GENERATION, /* Inode generation */ + OCFS2_FILECHECK_ERR_UNSUPPORTED /* Unsupported */ +}; + +#define OCFS2_FILECHECK_ERR_START OCFS2_FILECHECK_ERR_FAILED +#define OCFS2_FILECHECK_ERR_END OCFS2_FILECHECK_ERR_UNSUPPORTED + +struct ocfs2_filecheck { + struct list_head fc_head; /* File check entry list head */ + spinlock_t fc_lock; + unsigned int fc_max; /* Maximum number of entry in list */ + unsigned int fc_size; /* Current entry count in list */ + unsigned int fc_done; /* Finished entry count in list */ +}; + +#define OCFS2_FILECHECK_MAXSIZE 100 +#define OCFS2_FILECHECK_MINSIZE 10 + +/* File check operation type */ +enum { + OCFS2_FILECHECK_TYPE_CHK = 0, /* Check a file(inode) */ + OCFS2_FILECHECK_TYPE_FIX, /* Fix a file(inode) */ + OCFS2_FILECHECK_TYPE_SET = 100 /* Set entry list maximum size */ +}; + +struct ocfs2_filecheck_sysfs_entry { /* sysfs entry per partition */ + struct kobject fs_kobj; + struct completion fs_kobj_unregister; + struct ocfs2_filecheck *fs_fcheck; +}; + + +int ocfs2_filecheck_create_sysfs(struct ocfs2_super *osb); +void ocfs2_filecheck_remove_sysfs(struct ocfs2_super *osb); + +#endif /* FILECHECK_H */ |