[bootlin/training-materials updates] master: Block filesystems: improvements (70e68273)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/70e682738ea21e75d44aaa615a206c3739cb9f0f

>---------------------------------------------------------------

commit 70e682738ea21e75d44aaa615a206c3739cb9f0f
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Wed May 27 13:30:00 2020 +0200

    Block filesystems: improvements
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

70e682738ea21e75d44aaa615a206c3739cb9f0f
 slides/sysdev-block-filesystems/sysdev-block-filesystems.tex | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex b/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
index 5898f3ae..291542e2 100644
--- a/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
+++ b/slides/sysdev-block-filesystems/sysdev-block-filesystems.tex
@@ -93,6 +93,12 @@ major minor #blocks name
       Transfers the complete contents of \code{testfile} to
       \code{/dev/sda2}, by blocks of 1 MB, but starting at offset 4 MB
       in \code{/dev/sda2}
+    \item {\bf Typical mistake}: copying a file to a filesystem without
+      mounting it first:\\
+      \code{dd if=zImage of=/dev/sda1}\\
+      Instead, you should use:\\
+      \code{sudo mount /dev/sda1 /boot}\\
+      \code{cp zImage /boot/}\\
     \end{itemize}
   \end{itemize}
 \end{frame}
@@ -109,7 +115,7 @@ major minor #blocks name
     \item \code{ext4}, mainly brought performance improvements and
       support for even larger filesystems
     \end{itemize}
-  \item It supports all features Linux needs from a filesystem:
+  \item It supports all features Linux needs in a root filesystem:
     permissions, ownership, device files, symbolic links, etc.
   \end{itemize}
 \end{frame}
@@ -214,6 +220,7 @@ major minor #blocks name
     \item This filesystem does {\em not} support features like
       permissions, ownership, symbolic links, etc. Cannot be used for
       a Linux root filesystem.
+    \item Linux now supports the exFAT filesystem too (\code{exfat}).
     \end{itemize}
   \item \code{ntfs} for compatibility with the NTFS filesystem used on
     Windows