[Bug 1021579] Re: ltspfs shows wrong partition size when plug-in usb drive into thin client

[Vagrant Cascadian]

On 2014-08-13, Vagrant Cascadian wrote:
> Tested your patches, and with slight modifications, committed upstream:
>
>   https://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltspfs-trunk/revision/170

These patches, while they appear to work, generate some build warnings:

Making all in src
make[3]: Entering directory '/«PKGBUILDDIR»/src'
gcc -DHAVE_CONFIG_H -I. -I..   -D_FORTIFY_SOURCE=2 -Wall -W
-D_FILE_OFFSET_BITS=64 -DFUSE_USE_VERSION=22 -D_REENTRANT -g -O2
-fstack-protector-strong -
Wformat -Werror=format-security -c -o ltspfs-ltspfs.o `test -f
'ltspfs.c' || echo './'`ltspfs.c
ltspfs.c: In function 'ltspfs_statfs':
ltspfs.c:891:9: warning: unused variable 'f_namelen' [-Wunused-variable]
     int f_namelen = (int)stbuf->f_namelen;
         ^
ltspfs.c:890:9: warning: unused variable 'f_bsize' [-Wunused-variable]
     int f_bsize = (int)stbuf->f_bsize;
         ^
ltspfs.c:889:9: warning: unused variable 'f_type' [-Wunused-variable]
     int f_type = (int)stbuf->f_type;
         ^
...

gcc -DHAVE_CONFIG_H -I. -I..   -D_FORTIFY_SOURCE=2 -Wall -W
-D_FILE_OFFSET_BITS=64 -DAUTOMOUNT -D_REENTRANT -g -O2
-fstack-protector-strong -Wformat -Werror=format-security -c -o
ltspfsd-ltspfsd_functions.o `test -f 'ltspfsd_functions.c' || echo './'`ltspfsd_functions.c
ltspfsd_functions.c: In function 'ltspfs_statfs':
ltspfsd_functions.c:906:18: warning: 'f_type' may be used uninitialized
in this function [-Wmaybe-uninitialized]
     stbuf.f_type = (__SWORD_TYPE) f_type;
                  ^
ltspfsd_functions.c:907:19: warning: 'f_bsize' may be used uninitialized
in this function [-Wmaybe-uninitialized]
     stbuf.f_bsize = (__SWORD_TYPE) f_bsize;
                   ^

These patches seem to need little more touch-up...


They also seem to partially revert changes introduced in:

  https://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltspfs-
trunk/revision/153


Maybe the size reporting issues go back that far...


live well,
  vagrant

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https://bugs.launchpad.net/bugs/1021579

Title:
  ltspfs shows wrong partition size when plug-in usb drive into thin
  client

Status in Linux Terminal Server Project:
  In Progress
Status in “ltspfs” package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 12.04, ltspfs 1.1-2
  When I plug-in usb drive with partition (vfat or ntfs) into thin client, it shows me wrong partition size. For example: I mount usb drive with vfat 4Gb, but df -h on server shows me:
  ltspfs 967K 432K 536K 45% /media/user/Ubuntu
  Where 967K is partition size.
  In thin client cat /var/run/ltspfs_fstab
  /dev/sda1 /var/run/drives/Ubuntu vfat rw,defaults,uft8 0 0
  But mount didn't show this mount point on thin client, and /var/run/drives/Ubuntu folder is empty.

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