[Bug 1181604] Re: Blacklist/whitelist for filesystems

[Karel Zak]

The mount(8) from upstream git tree  uses MS_SILENT so the warnings
should not be visible any more. If you want to use whitelist then use
/etc/filesystems ... see man page. Note that the current upstream stable
release is 2.23.

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Title:
  Blacklist/whitelist for filesystems

Status in “util-linux” package in Ubuntu:
  New

Bug description:
  I'm using Ubuntu 13.10 dev with util-linux 2.20.1-5.1ubuntu8. On
  mounting a blank disc with automatic filesystem detection (by passing
  -t auto or omitting this option) mount will generate some dmesg
  entries. Here is an example:

  root at ubuntu:~# mount -o ro /dev/sr0 /media/sr0
  root at ubuntu:~# dmesg | grep '(sr0)'
  [ 2552.761215] EXT3-fs (sr0): error: can't find ext3 filesystem on dev sr0.
  [ 2552.774858] EXT4-fs (sr0): VFS: Can't find ext4 filesystem
  [ 2552.788620] FAT-fs (sr0): bogus number of reserved sectors
  [ 2552.788630] FAT-fs (sr0): Can't find a valid FAT filesystem

  
  mount tries to find a matching filesystem and encounters some which will make problems. In this case it would be useful if mount does have options for a blacklist and a whitelist. These lists could define which filesystems are used on automatic filesystem detection.

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