Re: [fuse-devel] compiling fusexmp_fh.c

[Fuse U. <fus...@gm...>]

I run fusexmp_fh in debug mode:

unique: 1, opcode: INIT (26), nodeid: 0, insize: 56
INIT: 7.8
flags=0x00000003
max_readahead=0x00020000
   INIT: 7.8
   flags=0x00000003
   max_readahead=0x00020000
   max_write=0x00020000
   unique: 1, error: 0 (Success), outsize: 40
unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 40
   unique: 2, error: 0 (Success), outsize: 112
unique: 3, opcode: ACCESS (34), nodeid: 1, insize: 48
ACCESS / 01
   unique: 3, error: 0 (Success), outsize: 16
unique: 4, opcode: LOOKUP (1), nodeid: 1, insize: 45
LOOKUP /chmo
   unique: 4, error: -2 (No such file or directory), outsize: 16
unique: 5, opcode: LOOKUP (1), nodeid: 1, insize: 46
LOOKUP /chmod
   unique: 5, error: -2 (No such file or directory), outsize: 16
unique: 6, opcode: LOOKUP (1), nodeid: 1, insize: 46
LOOKUP /chmod
   unique: 6, error: -2 (No such file or directory), outsize: 16
unique: 7, opcode: GETATTR (3), nodeid: 1, insize: 40
   unique: 7, error: 0 (Success), outsize: 112
unique: 8, opcode: OPENDIR (27), nodeid: 1, insize: 48
   unique: 8, error: 0 (Success), outsize: 32
unique: 9, opcode: GETATTR (3), nodeid: 1, insize: 40
   unique: 9, error: 0 (Success), outsize: 112
unique: 10, opcode: READDIR (28), nodeid: 1, insize: 64
   unique: 10, error: 0 (Success), outsize: 304
unique: 11, opcode: READDIR (28), nodeid: 1, insize: 64
   unique: 11, error: 0 (Success), outsize: 16
unique: 12, opcode: RELEASEDIR (29), nodeid: 1, insize: 64
   unique: 12, error: 0 (Success), outsize: 16
unique: 13, opcode: LOOKUP (1), nodeid: 1, insize: 47
LOOKUP /testfile
   NODEID: 2
   unique: 13, error: 0 (Success), outsize: 136
unique: 14, opcode: GETATTR (3), nodeid: 1, insize: 40
   unique: 14, error: 0 (Success), outsize: 112
unique: 15, opcode: SETATTR (4), nodeid: 2, insize: 128
Segmentation fault

It gives segmentation fault. I'm using Fedora Core 8
(2.6.23.9-85.fc8kernel) on 32 bit i386.
Please help me.

2008/2/16, Fuse User <fus...@gm...>:
>
> Hi all,
>
> I want to compile only fusexmp_fh.c via this command:
>
> # gcc -D_FILE_OFFSET_BITS=64 -D_REENTRANT -I/usr/include/libuser
> -I/usr/include/fuse -L/lib -lfuse -lulockmgr  -Wall -W -Wno-sign-compare
> -Wstrict-prototypes -Wmissing-declarations -Wwrite-strings -g -O2
> -fno-strict-aliasing -pthread -lrt -ldl -o fusexmp_fh fusexmp_fh.c
>
> The commands works successfully and creates fusexmp_fh binary. Then I run
> fusexmp_fh as shown below:
>
> # ./fusexmp_fh /my_mount_dir -omodules=subdir,subdir=/test
>
> The "df -h" output is such that:
>
> # df -h
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/mapper/VolGroup00-LogVol00   6.6G  3.7G  2.6G  59% /
> /dev/sda1             190M   13M  169M   7% /boot
> tmpfs                  62M     0   62M   0% /dev/shm
> fusexmp_fh               6.6G  3.7G  2.6G  59% /my_mount_dir
>
> Then I go to the "subdir" (/test directory), and issued these commands:
>
> # touch testfile
> # chmod +x testfile
> chmod: changing permissions of `testfile': Software caused connection
> abort
>
> Now the "df -h" output is:
>
> # df -h
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/mapper/VolGroup00-LogVol00   6.6G  3.7G  2.6G  59% /
> /dev/sda1             190M   13M  169M   7% /boot
> tmpfs                  62M     0   62M   0% /dev/shm
> df: `/my_mount_dir`: Transport endpoint is not connected
>
>
> What is the problem and how can I fix it? I just want to compile and run
> fusexmp_fh.c successfully. What is the command that compiles fusexmp_fh.c
> properly?
>
> Thanks, best regards.
>