[LU-379] POSIX: read.13 and readdir.6: time stamps incorrect: atime was not updated

• Type: Bug
• Resolution: Won't Fix
• Priority: Minor
• Fix Version/s: Lustre 2.1.0, Lustre 1.8.7
• Affects Version/s: Lustre 2.0.0, Lustre 1.8.6
• Environment: Lustre Branch: b1_8; Lustre Build: http://newbuild.whamcloud.com/job/lustre-b1_8/61/; Distro/Arch: CentOS5.6/x86_64(OFED 1.5.3, ext4)
• Severity: 3
• Bugzilla ID: 23,291
• Assignee: Malcolm Cowe (Inactive)
• Reporter: Jian Yu

Description

Here is the result of running the LSB-VSX POSIX test suite (lts_vsx-pcts2.0beta2.tgz):
https://maloo.whamcloud.com/test_sets/f610526e-8b52-11e0-aab9-52540025f9af

The baseline is ext4.

####################################################
Test Name: read.13 Failed

	Test Description:
The access time field st_atime is marked for update on a call to
read().
Posix Ref: Component READ Assertion 6.4.1.2-19(A)

	Test Strategy:
OPEN existing file containing 36 bytes of known data
SAVE timestamps using savtimes() - (genlib)
VERIFY read(fd, buf, 36) returns 36
VERIFY that st_atime has been updated using chktimes() - (genlib)
REPEAT for FIFO and pipe:
  WRITE 36 bytes to FIFO/pipe
  SAVE timestamps using savtimes()/fsavtimes() - (genlib)
  VERIFY read(fd, buf, 36) returns 36
  VERIFY that st_atime has been updated using chktimes()/fchktimes() -
  (genlib)

	Test Information:
time stamps incorrect: atime was not updated

####################################################
Test Name: readdir.6 Failed

	Test Description:
A call to readdir() will mark for update the st_atime time-related
field of the directory each time the directory is actually read.
Posix Ref: Component READDIR Assertion 5.1.2.2-09(A)

	Test Strategy:
OBTAIN the system value associated with pathconf() with _PC_NAME_MAX
and current directory
VERIFY that pathconf() returned successfully and errno was not set
IF the maximum number of characters in a file name (from pathconf())
is greater than _POSIX_NAME_MAX then:
  CREATE an element in the entry table with a name which is of this
  length
FOR all elements in the entry table except those for "." and ".."
  CREATE file using crfile() - (genlib)
  SAVE the inode for the file in the entry table
SAVE times stamps using savtimes() - (genlib)
OPEN current directory using opendir()
READ directory using readdir()
VERIFY that readdir() returned successfully
VERIFY that st_atime has been updated using chktimes() - (genlib)
CLOSE directory using closedir()
UNLINK all elements in the entry table except those for "." and ".."
using unlink()

	Test Information:
time stamps incorrect: atime was not updated

Issue Links

• Trackbacks: Lustre 1.8.6-wc1 release testing tracker Lustre 1.8.6wc1 RC1 Tag: v186RC1 Created Date: 20110610 RC1 was DOA due to a build failure related to tag name LU408
• Trackbacks: Lustre 1.8.x known issues tracker While testing against Lustre b18 branch, we would hit known bugs which were already reported in Lustre Bugzilla https://bugzilla.lustre.org/. In order to move away from relying on Bugzilla, we would create a JIRA