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concepts-manual: Updated Image Generation section.

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Added wording to note that the rootfs might be compressed
depending on the IMAGE_FSTYPES setting, which would have to
actually do compression.  Also, fixed examples of "do_image_type"
and "do_image_ext4" so that there is no "[depends]" as part
of the example.

(From yocto-docs rev: 18ecdc6dd8722212c94000950841a4c06d3e48aa)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2018-04-09 11:43:22 -07:00
committed by Richard Purdie
parent eec08a1e4a
commit ef753009ea
1 changed files with 5 additions and 3 deletions
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documentation/concepts-manual/concepts-manual-concepts.xml
+5 -3
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@@ -1443,10 +1443,12 @@
<ulink url='&YOCTO_DOCS_REF_URL;#var-IMAGE_FSTYPES'><filename>IMAGE_FSTYPES</filename></ulink> <ulink url='&YOCTO_DOCS_REF_URL;#var-IMAGE_FSTYPES'><filename>IMAGE_FSTYPES</filename></ulink>
variable. variable.
The process turns everything into an image file or a set of The process turns everything into an image file or a set of
image files and compresses the root filesystem image to image files and can compress the root filesystem image to
reduce the overall size of the image. reduce the overall size of the image.
The formats used for the root filesystem depend on the The formats used for the root filesystem depend on the
<filename>IMAGE_FSTYPES</filename> variable. <filename>IMAGE_FSTYPES</filename> variable.
Compression depends on whether the formats support
compression.
</para> </para>
<para> <para>
@@ -1454,14 +1456,14 @@
particular image <replaceable>type</replaceable> would particular image <replaceable>type</replaceable> would
take the following form: take the following form:
<literallayout class='monospaced'> <literallayout class='monospaced'>
do_image_<replaceable>type</replaceable>[depends] do_image_<replaceable>type</replaceable>
</literallayout> </literallayout>
So, if the <replaceable>type</replaceable> as specified by So, if the <replaceable>type</replaceable> as specified by
the <filename>IMAGE_FSTYPES</filename> were the <filename>IMAGE_FSTYPES</filename> were
<filename>ext4</filename>, the dynamically generated task <filename>ext4</filename>, the dynamically generated task
would be as follows: would be as follows:
<literallayout class='monospaced'> <literallayout class='monospaced'>
do_image_ext4[depends] do_image_ext4
</literallayout> </literallayout>
</para> </para>