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From: Anton A. <an...@us...> - 2002-04-14 13:34:57
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Changes by: antona
Update of /cvsroot/linux-ntfs/linux-ntfs/include
In directory usw-pr-cvs1:/tmp/cvs-serv9019/include
Modified Files:
mft.h
Log Message:
Throw away all unnecessary crap.
Index: mft.h
===================================================================
RCS file: /cvsroot/linux-ntfs/linux-ntfs/include/mft.h,v
retrieving revision 1.24
retrieving revision 1.25
diff -U2 -r1.24 -r1.25
--- mft.h 15 Dec 2001 05:13:08 -0000 1.24
+++ mft.h 14 Apr 2002 13:34:50 -0000 1.25
@@ -26,6 +26,5 @@
#include "types.h"
-#include "list.h"
-#include "support.h"
+#include "endians.h"
/**
@@ -45,127 +44,11 @@
* wouldn't view this as corruption in itself though!).
*/
-extern __inline__ __u32 get_mft_record_data_size(const MFT_RECORD *b);
-
-/* Mft entry flag bit values */
-#define ME_mapped 0
-#define ME_dirty 1
-#define ME_error 2
-#define ME_is_base_record 3
-#define ME_attr_list_present 4
-#define ME_attr_list_mapped 5
- /* bits 6-31 reserved for future use */
-
-#define MftEntryMapped(me) test_bit(ME_mapped, (me)->m_flags)
-#define SetMftEntryMapped(me) set_bit(ME_mapped, (me)->m_flags)
-#define ClearMftEntryMapped(me) clear_bit(ME_mapped, (me)->m_flags)
-
-#define MftEntryDirty(me) test_bit(ME_dirty, (me)->m_flags)
-#define SetMftEntryDirty(me) set_bit(ME_dirty, (me)->m_flags)
-#define ClearMftEntryDirty(me) clear_bit(ME_dirty, (me)->m_flags)
-
-#define MftEntryError(me) test_bit(ME_error, (me)->m_flags)
-#define SetMftEntryError(me) set_bit(ME_error, (me)->m_flags)
-#define ClearMftEntryError(me) clear_bit(ME_error, (me)->m_flags)
-
-#define MftEntryIsBaseRecord(me) test_bit(ME_is_base_record, \
- (me)->m_flags)
-#define SetMftEntryIsBaseRecord(me) set_bit(ME_is_base_record, \
- (me)->m_flags)
-#define ClearMftEntryIsBaseRecord(me) clear_bit(ME_is_base_record, \
- (me)->m_flags)
-
-#define MftEntryAttrListPresent(me) test_bit(ME_attr_list_present, \
- (me)->m_flags)
-#define SetMftEntryAttrListPresent(me) set_bit(ME_attr_list_present, \
- (me)->m_flags)
-#define ClearMftEntryAttrListPresent(me) clear_bit(ME_attr_list_present, \
- (me)->m_flags)
-
-#define MftEntryAttrListMapped(me) test_bit(ME_attr_list_mapped, \
- (me)->m_flags)
-#define SetMftEntryAttrListMapped(me) set_bit(ME_attr_list_mapped, \
- (me)->m_flags)
-#define ClearMftEntryAttrListMapped(me) clear_bit(ME_attr_list_mapped, \
- (me)->m_flags)
-
-extern int ntfs_flush_mft_entry(mft_entry *m);
-
-/* Internal use only. Use ntfs_set_mft_entry_dirty() instead. */
-extern void __ntfs_set_mft_entry_dirty(mft_entry *m);
-
-/**
- * ntfs_set_mft_entry_dirty - set an mft entry dirty
- * @m: mft entry to set dirty
- *
- * If the mft entry @m is not dirty it is added to the dirty_mft_entries list
- * of the volume to which @m belongs and the dirty flag of the entry is set.
- */
-static __inline__ void ntfs_set_mft_entry_dirty(mft_entry *m)
-{
- if (!test_and_set_bit(ME_dirty, m->m_flags))
- __ntfs_set_mft_entry_dirty(m);
-}
-
-/* Internal use only. Use ntfs_map_mft_entry() instead. */
-extern int __ntfs_map_mft_entry(mft_entry *m);
-
-/**
- * ntfs_map_mft_entry - map an mft entry into memory
- * @m: mft entry to map
- *
- * Increase the use count of the entry @m and map it into memory (if it is not
- * mapped). This function operates on an already existing mft_entry which has
- * been inserted in a volume already. It doesn't need to be associated with a
- * file though. Note that no setting up of the mft_entry is performed or stuff
- * like that. If you need this kind of stuff chances are you should be using
- * ntfs_map_file_entry() instead and your probably don't have the mft_entry
- * yet.
- *
- * Return 0 on success and -ERRNO on error. See __map_mft_entry() for more
- * details on the returned error codes.
- */
-static __inline__ int ntfs_map_mft_entry(mft_entry *m)
+static __inline__ __u32 get_mft_record_data_size(const MFT_RECORD *b)
{
- int err;
-
- m->m_count++;
- if (MftEntryMapped(m))
+ if (!b || !is_mft_recordp(b))
return 0;
- if ((err = __ntfs_map_mft_entry(m)) < 0)
- m->m_count--;
- return err;
-}
-
-extern mft_entry *ntfs_map_file_entry(ntfs_volume *v, const MFT_REF mref);
-
-/**
- * ntfs_unmap_mft_entry - unmap an mft entry
- * @m: mft entry to unmap
- *
- * Decrease the use count of the mft entry (only if it is above 1). Do not
- * actually unmap it. We always keep it cached in memory. However, when we
- * have unmapped it and the count has reached zero, the entry can be safely
- * unmapped if it is necessary, but that happens elsewhere.
- */
-static __inline__ void ntfs_unmap_mft_entry(mft_entry *m)
-{
- if (MftEntryMapped(m) && m->m_count > 1)
- m->m_count--;
+ /* Get the number of used bytes and return it. */
+ return le32_to_cpu(b->bytes_in_use);
}
-
-/**
- * ntfs_unmap_file_entry - unmap a file mft entry
- * @m: file mft entry to unmap
- *
- * Same as ntfs_unmap_mft_entry(), so we just wrap it.
- */
-static __inline__ void ntfs_unmap_file_entry(mft_entry *m)
-{
- ntfs_unmap_mft_entry(m);
-}
-
-extern ntfs_file *ntfs_open_by_mref(ntfs_volume *vol, const MFT_REF mref);
-
-extern int ntfs_close(ntfs_file *f);
#endif /* defined MFT_H */
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