fs/ocfs2/filecheck.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * filecheck.h
   4  *
   5  * Online file check.
   6  *
   7  * Copyright (C) 2016 SuSE.  All rights reserved.
   8  */
   9
  10
  11 #ifndef FILECHECK_H
  12 #define FILECHECK_H
  13
  14 #include <linux/types.h>
  15 #include <linux/list.h>
  16
  17
  18 /* File check errno */
  19 enum {
  20         OCFS2_FILECHECK_ERR_SUCCESS = 0,        /* Success */
  21         OCFS2_FILECHECK_ERR_FAILED = 1000,      /* Other failure */
  22         OCFS2_FILECHECK_ERR_INPROGRESS,         /* In progress */
  23         OCFS2_FILECHECK_ERR_READONLY,           /* Read only */
  24         OCFS2_FILECHECK_ERR_INJBD,              /* Buffer in jbd */
  25         OCFS2_FILECHECK_ERR_INVALIDINO,         /* Invalid ino */
  26         OCFS2_FILECHECK_ERR_BLOCKECC,           /* Block ecc */
  27         OCFS2_FILECHECK_ERR_BLOCKNO,            /* Block number */
  28         OCFS2_FILECHECK_ERR_VALIDFLAG,          /* Inode valid flag */
  29         OCFS2_FILECHECK_ERR_GENERATION,         /* Inode generation */
  30         OCFS2_FILECHECK_ERR_UNSUPPORTED         /* Unsupported */
  31 };
  32
  33 #define OCFS2_FILECHECK_ERR_START       OCFS2_FILECHECK_ERR_FAILED
  34 #define OCFS2_FILECHECK_ERR_END         OCFS2_FILECHECK_ERR_UNSUPPORTED
  35
  36 struct ocfs2_filecheck {
  37         struct list_head fc_head;       /* File check entry list head */
  38         spinlock_t fc_lock;
  39         unsigned int fc_max;    /* Maximum number of entry in list */
  40         unsigned int fc_size;   /* Current entry count in list */
  41         unsigned int fc_done;   /* Finished entry count in list */
  42 };
  43
  44 #define OCFS2_FILECHECK_MAXSIZE         100
  45 #define OCFS2_FILECHECK_MINSIZE         10
  46
  47 /* File check operation type */
  48 enum {
  49         OCFS2_FILECHECK_TYPE_CHK = 0,   /* Check a file(inode) */
  50         OCFS2_FILECHECK_TYPE_FIX,       /* Fix a file(inode) */
  51         OCFS2_FILECHECK_TYPE_SET = 100  /* Set entry list maximum size */
  52 };
  53
  54 struct ocfs2_filecheck_sysfs_entry {    /* sysfs entry per partition */
  55         struct kobject fs_kobj;
  56         struct completion fs_kobj_unregister;
  57         struct ocfs2_filecheck *fs_fcheck;
  58 };
  59
  60
  61 int ocfs2_filecheck_create_sysfs(struct ocfs2_super *osb);
  62 void ocfs2_filecheck_remove_sysfs(struct ocfs2_super *osb);
  63
  64 #endif  /* FILECHECK_H */