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-rw-r--r--fs/ocfs2/filecheck.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/fs/ocfs2/filecheck.h b/fs/ocfs2/filecheck.h
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+++ b/fs/ocfs2/filecheck.h
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+/* -*- 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 */