I have a fix for a failing LTP testcase. Section 6 of the online LTP doc
http://ltp.sourceforge.net/documentation/how-to/ltp.php#_7 says I can
request a test be added by sending to this list, and it looks from the
archive like the subject line for patches should contain "[LTP][PATCH]", so
here goes. There appears to be no standard diff format, so I will use what
is convenient...
Running the ltp suite on ChromeOS (x86 with a 2.6.32 kernel) fails linkat01
testcase 21:
linkat01 21 TFAIL : linkat() failed: TEST_ERRNO=EXDEV(18): Invalid
cross-device link
This is probably because my /tmp is mounted from someplace other than the
filesystem that contains newdirfd.
The goal of testcase 21 is to demonstrate that linking a directory will fail
EPERM. The fix is to use olddir/. instead of /tmp.
diff -urN
ltp-full-20091231_vanilla/testcases/kernel/syscalls/linkat/linkat01.c
ltp-full-20091231/testcases/kernel/syscalls/linkat/linkat01.c
--- ltp-full-20091231_vanilla/testcases/kernel/syscalls/linkat/linkat01.c
2009-11-26 23:43:12.000000000 -0800
+++ ltp-full-20091231/testcases/kernel/syscalls/linkat/linkat01.c
2010-04-12 16:28:59.000000000 -0700
@@ -158,7 +158,7 @@
{ &cwd_fd, "/proc/cpuinfo", &newdirfd, TEST_FILE1, 0,
0, 0, EXDEV },
/* 21. directory link */
- { &cwd_fd, "/tmp", &newdirfd, TEST_FILE1, 0,
+ { &olddirfd, ".", &newdirfd, TEST_FILE1, 0,
0, 0, EPERM },
/* 22. invalid flag */
{ &olddirfd, TEST_FILE1, &newdirfd, TEST_FILE1, 1,
Let me know if this is the incorrect process for upstreaming LTP patches.
bryan.
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