[LU-1351] lfs path2fid and llapi_path2fid() fail for block or character special files

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.3.0
• Affects Version/s: Lustre 2.2.0, Lustre 2.3.0
• Environment: # uname -r; 2.6.32-220.el6.l22.x86_64; # cat /proc/fs/lustre/version ; lustre: 2.2.0; kernel: patchless_client; build: 2.2.0--PRISTINE-2.6.32-220.13.1.el6.l22.x86_64
• Severity: 3
• Assignee: Yang Sheng
• Reporter: John Hammond

Description

llapi_path2fid() compares errno to EINVAL rather than ENOTTY to test for failures due the file being block or character special.

1. /usr/lib64/lustre/tests/llmount.sh
2. cd /mnt/lustre
3. mknod null c 1 3
4. stat null
   File: `null'
   Size: 0 Blocks: 0 IO Block: 4096 character special file
   Device: 2c54f966h/743766374d Inode: 144115238810157090 Links: 1 Device type: 1,3
   Access: (0644/crw-r-r-) Uid: ( 0/ root) Gid: ( 0/ root)
   Access: 2012-04-27 09:14:40.000000000 -0500
   Modify: 2012-04-27 09:14:40.000000000 -0500
   Change: 2012-04-27 09:14:40.000000000 -0500
5. lfs path2fid null
   can't get fid for null: Inappropriate ioctl for device