mtd/fs/jffs3 JFFS3design.tex,1.26,1.27
Artem Bityuckiy
dedekind at infradead.org
Tue Mar 15 13:43:01 EST 2005
Update of /home/cvs/mtd/fs/jffs3
In directory phoenix.infradead.org:/tmp/cvs-serv15781
Modified Files:
JFFS3design.tex
Log Message:
Add 2 more definitions. Open Memory consumption section.
Index: JFFS3design.tex
===================================================================
RCS file: /home/cvs/mtd/fs/jffs3/JFFS3design.tex,v
retrieving revision 1.26
retrieving revision 1.27
diff -u -r1.26 -r1.27
--- JFFS3design.tex 1 Mar 2005 11:43:23 -0000 1.26
+++ JFFS3design.tex 15 Mar 2005 18:42:57 -0000 1.27
@@ -269,6 +269,17 @@
drawback, see (TODO) for more information about this JFFS2 and JFFS3.
\end{itemize}
+%
+% INODE CHECKPOINTS
+%
+\section{Inode Checkpoints}
+
+\subsection{JFFS2 and memory consumption problem}
+TODO.
+
+Work is in progress. Take a glimpse at\\
+\url{http://lists.infradead.org/pipermail/linux-mtd/2005-January/011671.html}
+for the description of the problem for now.
%
% ABBREVIATIONS
@@ -279,6 +290,7 @@
\item \emph{CRC} - Cyclic Redundancy Check
\item \emph{JFFS2} - Journalling Flash File System version 2
\item \emph{JFFS3} - Journalling Flash File System version 3
+\item \emph{MTD} - Memory Technoligy Devices
\end{enumerate}
%
@@ -325,10 +337,15 @@
\item \emph{Non-pristine node} -- a type of data node which containes the amount
of uncompressed data which is not multiple of \texttt{PAGE\_SIZE} bytes.
+\item \emph{In-core memory, in-core RAM} -- the memory that is consumed by
+node\_ref objects.
+
\item \emph{Inode node} -- node representing JFFS3 inode.
Any inode in JFFS3 is represented by one (for directory inodes) or more
(for file inodes) inode nodes.
+\item \emph{Node\_ref} - a small object representing one JFFS3 node (of any type).
+
\item \emph{Obsolete node} - a node which does not contain any
actual information. The exact semantic of obsolete node depends on its
type.
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