PI37361: ERROR REBUILDING MVFS ON UBUNTU WITH KERNEL 3.2.0-76.

Rational ClearCase Fix Pack 15 (8.0.0.15) for 8.0
Rational ClearCase Fix Pack 8 (8.0.1.8) for 8.0.1
Rational ClearCase Fix Pack 16 (8.0.0.16) for 8.0
Rational ClearCase Fix Pack 9 (8.0.1.9) for 8.0.1
Rational ClearCase Fix Pack 17 (8.0.0.17) for 8.0
Rational ClearCase Fix Pack 10 (8.0.1.10) for 8.0.1
Rational ClearCase Fix Pack 18 (8.0.0.18) for 8.0
Rational ClearCase Fix Pack 11 (8.0.1.11) for 8.0.1
Rational ClearCase Fix Pack 19 (8.0.0.19) for 8.0
Rational ClearCase Fix Pack 12 (8.0.1.12) for 8.0.1
Rational ClearCase Fix Pack 20 (8.0.0.20) for 8.0
Rational ClearCase Fix Pack 13 (8.0.1.13) for 8.0.1
Rational ClearCase Fix Pack 21 (8.0.0.21) for 8.0
Rational ClearCase Fix Pack 14 (8.0.1.14) for 8.0.1
Rational ClearCase Fix Pack 15 (8.0.1.15) for 8.0.1
Rational ClearCase Fix Pack 16 (8.0.1.16) for 8.0.1
Rational ClearCase Fix Pack 17 (8.0.1.17) for 8.0.1
Rational ClearCase Fix Pack 18 (8.0.1.18) for 8.0.1
Rational ClearCase Fix Pack 19 (8.0.1.19) for 8.0.1
Rational ClearCase Fix Pack 20 (8.0.1.20) for 8.0.1
Rational ClearCase Fix Pack 21 (8.0.1.21) for 8.0.1
Rational ClearCase Fix Pack 22 (8.0.1.22) for 8.0.1
Rational ClearCase Fix Pack 23 (8.0.1.23) for 8.0.1
Rational ClearCase Fix Pack 24 (8.0.1.24) for 8.0.1
Rational ClearCase Fix Pack 25 (8.0.1.25) for 8.0.1

APAR status

• Closed as program error.

Error description

• When rebuilding or compiling IBM Rational ClearCase mvfs module
  on Ubuntu with kernel  3.2.0-76 the following compilation errors
  are seen:
  CC [M]
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.o
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c: In
  function vnode_dop_revalidate:
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:208:
  29: error: union <anonymous> has no member named d_child
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:208:
  29: error: initialization from incompatible pointer type
  [-Werror]
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:208:
  29: error: union <anonymous> has no member named d_child
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:208:
  29: error: union <anonymous> has no member named d_child
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:208:
  29: error: union <anonymous> has no member named d_child
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:208:
  29: error: union <anonymous> has no member named d_child
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:208:
  29: error: union <anonymous> has no member named d_child
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c: In
  function vnlayer_make_dcache:
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:526:
  14: error: struct dentry has no member named d_alias
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:526:
  14: error: initialization from incompatible pointer type
  [-Werror]
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:526:
  14: error: struct dentry has no member named d_alias
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c: In
  function mdki_finish_flush_dcache:
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:653:
  22: error: struct dentry has no member named d_alias
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:653:
  22: error: initialization from incompatible pointer type
  [-Werror]
  /var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.c:653:
  22: error: struct dentry has no member named d_alias
  cc1: all warnings being treated as errors
  make[2]: ***
  [/var/adm/rational/clearcase/mvfs/mvfs_src/mvfs_linux_dops.o]
  Error 1
  make[1]: *** [_module_/var/adm/rational/clearcase/mvfs/mvfs_src]
  Error 2
  
  WORKAROUND:
  None.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of Ubuntu Linux 12.04 version patched to kernel        *
  * 3.2.0-76 or greater, or Ubuntu Linux 14.04 patched to kernel *
  * 3.13.0-46 or greater, installing or updating ClearCase.      *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * When installing ClearCase on Ubuntu 12.04 with kernel        *
  * 3.2.0-76 or greater, or Ubuntu 14.04 with kernel 3.13.0-46   *
  * or later, the local build of the ClearCase MVFS driver       *
  * module will fail.                                            *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

• ClearCase MVFS was modified so that it will compile correctly on
  Ubuntu 12.04 and 14.04 systems both with and without the
  referenced kernel patches.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  CC&CC MSITE WIN

• Fixed component ID

  5724G3300

Applicable component levels

• R800 PSY

     UP

• R801 PSY

     UP