[Bug 1181604] Re: Blacklist/whitelist for filesystems

[Sworddragon]

> The mount(8) from upstream git tree uses MS_SILENT so the warnings
should not be visible any more.

Will this be the default behavior?


> If you want to use whitelist then use /etc/filesystems

/etc/filesystems seems to not to be a good choice since it would be
applied to all mount commands automatically. But I have figured out that
the option -t can have multiple filesystems seperated with a comma which
will behave like a whitelist. Now it would be nice if there would be a
way for a blacklist too.

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https://bugs.launchpad.net/bugs/1181604

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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