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authorJan Altenberg <jan@linutronix.de>2013-12-27 11:48:46 +0100
committerJan Altenberg <jan@linutronix.de>2013-12-27 11:48:46 +0100
commit455c28f2c81b92e72c299b526ff66801ee71f175 (patch)
tree84dd0bc45d80a1be217d986adb5066e0b9f03cc3 /linux-basics
parent2ed7702eddc96469129694783d8ca964d62a5bc7 (diff)
parentd5b53316f812c80e9143207244e0ca2568ab2eae (diff)
Merge branch 'master' into kconfig
Diffstat (limited to 'linux-basics')
-rw-r--r--linux-basics/filesystems/pres_filesystems_en.tex17
1 files changed, 16 insertions, 1 deletions
diff --git a/linux-basics/filesystems/pres_filesystems_en.tex b/linux-basics/filesystems/pres_filesystems_en.tex
index 5b1149b..e6339e5 100644
--- a/linux-basics/filesystems/pres_filesystems_en.tex
+++ b/linux-basics/filesystems/pres_filesystems_en.tex
@@ -29,6 +29,10 @@
\item ReiserFS
\item XFS
\end{itemize}
+Filesystem for ''flash based'' block devices:
+\begin{itemize}
+\item F2FS
+\end{itemize}
\end{frame}
\subsubsection{For flash}
@@ -71,7 +75,8 @@ size of a filesystem
\begin{itemize}
\item \textbf{N}o journalling filesystem
\item A good choice for ''flash-based block devices'', like SD cards or USB
-sticks (ext2 minimizes the number of writes)
+sticks (ext2 minimizes the number of writes), if you have heavy write access. F2FS
+might be an alternative for flash devices
\item Supported block sizes: 1kb, 2kb, 4kb, 8kb
\item Max. filesystem size: 32TB (for 8kb blocks)
\end{itemize}
@@ -113,6 +118,16 @@ sticks (ext2 minimizes the number of writes)
\subsubsection{Flash filesystems}
\begin{frame}
+\frametitle{F2FS}
+\begin{itemize}
+\item F lash F riendly F ilesystem
+\item Available since Linux Kernel 3.8 (backports available back to 3.0)
+\item Not a ''real'' flashfilesystem
+\item For ''NAND flash based'' block devices, like SD, MMC, eMMC, ...
+\end{itemize}
+\end{frame}
+
+\begin{frame}
\frametitle{JFFS2}
\begin{itemize}
\item Flash filesystem