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Slight clean up of HAT RFC #60

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merged 3 commits into from Apr 20, 2012
Merged

Slight clean up of HAT RFC #60

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04fa6ff
Removed inaccuracy
eXeC64 Apr 18, 2012
435f9da
Renamed link_count to num_links for consistency
eXeC64 Apr 18, 2012
91c6d5f
Rearranged inode for nicer type alignment.
eXeC64 Apr 18, 2012
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30 changes: 15 additions & 15 deletions FS/Draft_Harrys_Allocation_Table.txt
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Expand Up @@ -2,7 +2,7 @@


RFC (Draft-Fs) H. Jeffery, Ed.
April 14, 2012
April 19, 2012


Harry's Allocation Table
Expand All @@ -25,7 +25,7 @@ Table of Contents
3.1.1.2. num_sectors . . . . . . . . . . . . . . . . . . . . 3
3.1.1.3. sector_map_start . . . . . . . . . . . . . . . . . 4
3.1.1.4. sector_joins_start . . . . . . . . . . . . . . . . 4
3.1.1.5. sector_start . . . . . . . . . . . . . . . . . . . 4
3.1.1.5. sectors_start . . . . . . . . . . . . . . . . . . . 4
3.1.1.6. sector_size . . . . . . . . . . . . . . . . . . . . 4
3.1.1.7. sectors_used . . . . . . . . . . . . . . . . . . . 4
3.1.2. sector map . . . . . . . . . . . . . . . . . . . . . . 4
Expand All @@ -35,8 +35,8 @@ Table of Contents
3.2. Higher Layer . . . . . . . . . . . . . . . . . . . . . . . 5
3.2.1. inode . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2.1.1. type . . . . . . . . . . . . . . . . . . . . . . . 6
3.2.1.2. content_size . . . . . . . . . . . . . . . . . . . 6
3.2.1.3. link_count . . . . . . . . . . . . . . . . . . . . 6
3.2.1.2. num_links . . . . . . . . . . . . . . . . . . . . . 6
3.2.1.3. content_size . . . . . . . . . . . . . . . . . . . 6
3.2.2. link . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2.2.1. strip_start_sector . . . . . . . . . . . . . . . . 7
3.2.2.2. file_name . . . . . . . . . . . . . . . . . . . . . 7
Expand Down Expand Up @@ -133,16 +133,14 @@ Jeffery [Page 2]

This structure contains the header information for HAT.

The total size of the header is 16 words.

+------+--------------------+
| Size | Name |
+------+--------------------+
| 1 | version |
| 1 | num_sectors |
| 2 | sector_map_start |
| 2 | sector_joins_start |
| 2 | sector_start |
| 2 | sectors_start |
| 1 | sector_size |
| 1 | sectors_used |
+------+--------------------+
Expand All @@ -164,6 +162,8 @@ Jeffery [Page 2]





Jeffery [Page 3]

HAT April 2012
Expand All @@ -178,7 +178,7 @@ Jeffery [Page 3]
This field contains the address of the start of the array of sector
joins.

3.1.1.5. sector_start
3.1.1.5. sectors_start

This field contains the address of the first sector on disk.

Expand Down Expand Up @@ -285,8 +285,8 @@ Jeffery [Page 5]
| Size | Name |
+------+--------------+
| 1 | type |
| 1 | num_links |
| 2 | content_size |
| 1 | link_count |
+------+--------------+

Table 5: inode structure
Expand All @@ -308,16 +308,16 @@ Jeffery [Page 5]
field is set to 1 then the inode represents a directory. If this
field is set to 2 then the inode represents a file.

3.2.1.2. content_size

This field contains the amount of data stored with this inode in
words.

3.2.1.3. link_count
3.2.1.2. num_links

This field contains the number of links there are that point to the
strip containing this inode.

3.2.1.3. content_size

This field contains the amount of data stored with this inode in
words.

3.2.2. link

+------+--------------------+
Expand Down
16 changes: 8 additions & 8 deletions FS/Draft_Harrys_Allocation_Table.xml
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Expand Up @@ -76,7 +76,6 @@

<section anchor="Header" title="header">
<t>This structure contains the header information for HAT.</t>
<t>The total size of the header is 16 words.</t>

<texttable anchor="HeaderTable" title="Header Structure">
<ttcol align="center">Size</ttcol>
Expand All @@ -85,7 +84,7 @@
<c>1</c><c>num_sectors</c>
<c>2</c><c>sector_map_start</c>
<c>2</c><c>sector_joins_start</c>
<c>2</c><c>sector_start</c>
<c>2</c><c>sectors_start</c>
<c>1</c><c>sector_size</c>
<c>1</c><c>sectors_used</c>
</texttable>
Expand All @@ -112,7 +111,7 @@
sector joins.</t>
</section>

<section anchor="HeaderSectorStart" title="sector_start">
<section anchor="HeaderSectorsStart" title="sectors_start">
<t>This field contains the address of the first sector on disk.</t>
<t>This is required because the first sector may not be positioned
immediately after the header. The first sector may be positioned
Expand Down Expand Up @@ -193,8 +192,8 @@
<ttcol align="center">Size</ttcol>
<ttcol align="center">Name</ttcol>
<c>1</c><c>type</c>
<c>1</c><c>num_links</c>
<c>2</c><c>content_size</c>
<c>1</c><c>link_count</c>
</texttable>

<section anchor="InodeType" title="type">
Expand All @@ -213,15 +212,16 @@
this field is set to 2 then the inode represents a file.</t>
</section>

<section anchor="InodeNumLinks" title="num_links">
<t>This field contains the number of links there are that
point to the strip containing this inode.</t>
</section>

<section anchor="InodeContentSize" title="content_size">
<t>This field contains the amount of data stored with this
inode in words.</t>
</section>

<section anchor="InodeLinkAccount" title="link_count">
<t>This field contains the number of links there are that
point to the strip containing this inode.</t>
</section>
</section>

<section anchor="Link" title="link">
Expand Down