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* vfat case corruption with utf8
@ 2004-05-26 22:01 Len Trigg
  0 siblings, 0 replies; only message in thread
From: Len Trigg @ 2004-05-26 22:01 UTC (permalink / raw)
  To: linux-kernel, Roman.Hodek


When I mount a vfat filesystem and create files, the case of the files
changes after creation. I am using Fedora FC2 with kernel 2.6.5. I
have created a script that demonstrates the problem (see below).

I originally filed a bug with fedora about it, and it turns out that
the problem occurs on systems that default to utf8. There is a FIXME
comment in fs/fat/inode.c:1025. Mounting with iocharset=iso8859-1
works around the problem, but given that more systems seem to be going
to utf8, this is something that more people will be banging up



# Make a test vfat filesystem
dd if=/dev/zero of=vfatfile bs=1M count=100
mkfs.vfat -F 32 -n "test" vfatfile
mkdir vfatmount
mount -o loop vfatfile vfatmount

# Make a directory called F00 and a test file
mkdir vfatmount/F00
touch vfatmount/F00/test

# Check test file is accessible (it should be)
if [ -f vfatmount/F00/test ]; then
  echo "Test file is visible"
  echo "ERROR: test file is not visible"

# This action changes the naming of the directory!!
ls -l vfatmount/

# Check test file again (this time it fails)
if [ -f vfatmount/F00/test ]; then
  echo "Test file is visible"
  echo "ERROR: test file is not visible"

# Cleanup
umount vfatfile
rm -r vfatfile vfatmount

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2004-05-26 22:01 vfat case corruption with utf8 Len Trigg

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