The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/fs/ntfs/mft.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*
    2  * mft.h - Defines for mft record handling in NTFS Linux kernel driver.
    3  *         Part of the Linux-NTFS project.
    4  *
    5  * Copyright (c) 2001-2004 Anton Altaparmakov
    6  *
    7  * This program/include file is free software; you can redistribute it and/or
    8  * modify it under the terms of the GNU General Public License as published
    9  * by the Free Software Foundation; either version 2 of the License, or
   10  * (at your option) any later version.
   11  *
   12  * This program/include file is distributed in the hope that it will be
   13  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
   14  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15  * GNU General Public License for more details.
   16  *
   17  * You should have received a copy of the GNU General Public License
   18  * along with this program (in the main directory of the Linux-NTFS
   19  * distribution in the file COPYING); if not, write to the Free Software
   20  * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   21  */
   22 
   23 #ifndef _LINUX_NTFS_MFT_H
   24 #define _LINUX_NTFS_MFT_H
   25 
   26 #include <linux/fs.h>
   27 #include <linux/highmem.h>
   28 #include <linux/pagemap.h>
   29 
   30 #include "inode.h"
   31 
   32 extern MFT_RECORD *map_mft_record(ntfs_inode *ni);
   33 extern void unmap_mft_record(ntfs_inode *ni);
   34 
   35 extern MFT_RECORD *map_extent_mft_record(ntfs_inode *base_ni, MFT_REF mref,
   36                 ntfs_inode **ntfs_ino);
   37 
   38 static inline void unmap_extent_mft_record(ntfs_inode *ni)
   39 {
   40         unmap_mft_record(ni);
   41         return;
   42 }
   43 
   44 #ifdef NTFS_RW
   45 
   46 /**
   47  * flush_dcache_mft_record_page - flush_dcache_page() for mft records
   48  * @ni:         ntfs inode structure of mft record
   49  *
   50  * Call flush_dcache_page() for the page in which an mft record resides.
   51  *
   52  * This must be called every time an mft record is modified, just after the
   53  * modification.
   54  */
   55 static inline void flush_dcache_mft_record_page(ntfs_inode *ni)
   56 {
   57         flush_dcache_page(ni->page);
   58 }
   59 
   60 extern void __mark_mft_record_dirty(ntfs_inode *ni);
   61 
   62 /**
   63  * mark_mft_record_dirty - set the mft record and the page containing it dirty
   64  * @ni:         ntfs inode describing the mapped mft record
   65  *
   66  * Set the mapped (extent) mft record of the (base or extent) ntfs inode @ni,
   67  * as well as the page containing the mft record, dirty.  Also, mark the base
   68  * vfs inode dirty.  This ensures that any changes to the mft record are
   69  * written out to disk.
   70  *
   71  * NOTE:  Do not do anything if the mft record is already marked dirty.
   72  */
   73 static inline void mark_mft_record_dirty(ntfs_inode *ni)
   74 {
   75         if (!NInoTestSetDirty(ni))
   76                 __mark_mft_record_dirty(ni);
   77 }
   78 
   79 extern int ntfs_sync_mft_mirror(ntfs_volume *vol, const unsigned long mft_no,
   80                 MFT_RECORD *m, int sync);
   81 
   82 extern int write_mft_record_nolock(ntfs_inode *ni, MFT_RECORD *m, int sync);
   83 
   84 /**
   85  * write_mft_record - write out a mapped (extent) mft record
   86  * @ni:         ntfs inode describing the mapped (extent) mft record
   87  * @m:          mapped (extent) mft record to write
   88  * @sync:       if true, wait for i/o completion
   89  *
   90  * This is just a wrapper for write_mft_record_nolock() (see mft.c), which
   91  * locks the page for the duration of the write.  This ensures that there are
   92  * no race conditions between writing the mft record via the dirty inode code
   93  * paths and via the page cache write back code paths or between writing
   94  * neighbouring mft records residing in the same page.
   95  *
   96  * Locking the page also serializes us against ->readpage() if the page is not
   97  * uptodate.
   98  *
   99  * On success, clean the mft record and return 0.  On error, leave the mft
  100  * record dirty and return -errno.
  101  */
  102 static inline int write_mft_record(ntfs_inode *ni, MFT_RECORD *m, int sync)
  103 {
  104         struct page *page = ni->page;
  105         int err;
  106 
  107         BUG_ON(!page);
  108         lock_page(page);
  109         err = write_mft_record_nolock(ni, m, sync);
  110         unlock_page(page);
  111         return err;
  112 }
  113 
  114 extern bool ntfs_may_write_mft_record(ntfs_volume *vol,
  115                 const unsigned long mft_no, const MFT_RECORD *m,
  116                 ntfs_inode **locked_ni);
  117 
  118 extern ntfs_inode *ntfs_mft_record_alloc(ntfs_volume *vol, const int mode,
  119                 ntfs_inode *base_ni, MFT_RECORD **mrec);
  120 extern int ntfs_extent_mft_record_free(ntfs_inode *ni, MFT_RECORD *m);
  121 
  122 #endif /* NTFS_RW */
  123 
  124 #endif /* _LINUX_NTFS_MFT_H */

Cache object: 9df8573253bb276d1951566aba9d0161


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.