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specs/qcow2: do not use wording 'bitmap header' 

A bitmap directory entry is sometimes called a 'bitmap header'. This
patch leaves only one name - 'bitmap directory entry'. The name 'bitmap
header' creates misunderstandings with 'qcow2 header' and 'qcow2 bitmap
header extension' (which is extension of qcow2 header)

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20170628120530.31251-3-vsementsov@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2017-06-28 15:05:02 +03:00 committed by Max Reitz
parent b5d1f15488
commit b348c262cc
1 changed files with 2 additions and 3 deletions
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5
docs/interop/qcow2.txt
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@ -203,7 +203,7 @@ The fields of the bitmaps extension are:
8 - 15: bitmap_directory_size
Size of the bitmap directory in bytes. It is the cumulative
size of all (nb_bitmaps) bitmap headers.
size of all (nb_bitmaps) bitmap directory entries.
16 - 23: bitmap_directory_offset
Offset into the image file at which the bitmap directory
@ -529,8 +529,7 @@ Each bitmap saved in the image is described in a bitmap directory entry. The
bitmap directory is a contiguous area in the image file, whose starting offset
and length are given by the header extension fields bitmap_directory_offset and
bitmap_directory_size. The entries of the bitmap directory have variable
length, depending on the lengths of the bitmap name and extra data. These
entries are also called bitmap headers.
length, depending on the lengths of the bitmap name and extra data.
Structure of a bitmap directory entry: