[LU-10986] make lfs project tolerant errors

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.12.0, Lustre 2.10.7
• Labels: patch
• Severity: 3
• Assignee: Wang Shilong (Inactive)
• Reporter: Wang Shilong (Inactive)

Description

1. If a pipe file exist in a directory, lfs project command stops there.

Create a pipe file.  
[root@s17 lustre]# mkfifo tmp/pipe
Set project ID.  
[root@s17 lustre]# lfs project -srp 500 tmp
<This command does not return...>

2.If a symbolic link with missing target exists, lfs project command returns error and does not process remaining entries.

Create a symbolic file and remove target.  
[root@s17 tmp]# ls -l
total 0
-rw-r--r-- 1 root root  0 Apr 26 13:47 aaa
-rw-r--r-- 1 root root  0 Apr 26 13:47 bbb
lrwxrwxrwx 1 root root 18 Apr 26 13:50 ccc -> ../test1/4MB_file1
-rw-r--r-- 1 root root  0 Apr 26 13:52 ddd
[root@s17 tmp]# rm -f ../test1/4MB_file1
[root@s17 tmp]# cd ..
[root@s17 lustre]# lfs project -r tmp/
  500 P tmp//ddd
  500 P tmp//bbb
lfs: failed to open 'tmp//ccc': No such file or directory
lfs: failed to handle dir 'tmp/': No such file or directory
[root@s17 lustre]#
Information about "aaa" is not displayed.  

Issue Links

• is related to: LU-11689 lfs project should proceed all dirs if hit errors