Re: Don't fully understyand 'umask' option for VFAT mounting

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Neil Bird wrote:
Around about 09/07/2003 03:57, Gordon Messmer typed ...

/dev/hda1 /mnt/windows vfat uid=nobody,gid=windows,umask=002 0 0

This will mount the directory so that all files and directories are owned by "nobody", group "windows", and permissions of 0775.

>
I think that's essentuially what I have, and it's fine for those files that are *there*, but I find it interferes with newly created files - try touching a file and checking it's perms.

# mount vfat.fs /mnt/floppy/ -o loop,uid=nobody,gid=gordon,umask=002 \ -t vfat

[gordon@xxxxxxxxxx:~]$ touch /mnt/floppy/test1
[gordon@xxxxxxxxxx:~]$ ls -l /mnt/floppy
total 0
-rwxrwxr-x    1 nobody   gordon          0 Jul 16 13:35 test1*

As expected, the file is mode 0775.

With my set up, it's created with group perms of read only (i.e., it's set the FAT32 read-only bit).

When the FAT32 read-only bit is set, the file's mode will be 555. FAT doesn't have different permissions for UID/GID, so I don't know what you're seeing. How about you tell us what's in /etc/mtab for your FAT FS?


I can only assume it's something odd to do with me not being 'nobody', and it only using the user perms to map to the freshly created 'read-only' bit. Maybe.

Probably not. The options I suggested work here.





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