Public bug reported:
SRU Justification:
Impact:
The backport of a78ee256c325 ("xfs: convert XFS_AGFL_SIZE to a helper
function") done as part of "Bionic update: upstream stable patchset 2018-08-24"
(bug 1788897) is incomplete, causing the build to fail if
CONFIG_XFS_ONLINE_SCRUB is selected.
/tmp/kernel-kleber-79aa9f7-Y9dG/build/fs/xfs/scrub/agheader.c: In function
'xfs_scrub_walk_agfl':
/tmp/kernel-kleber-79aa9f7-Y9dG/build/fs/xfs/scrub/agheader.c:96:24: error:
implicit declaration of function 'XFS_AGFL_SIZE'; did you mean 'XFS_ACL_SIZE'?
[-Werror=implicit-function-declaration]
for (i = flfirst; i < XFS_AGFL_SIZE(mp); i++) {
^~~~~~~~~~~~~
XFS_ACL_SIZE
The backport didn't replace all the occurrences of the XFS_AGFL_SIZE by
the xfs_agfl_size function.
Fix:
A SAUCE patch is needed to fix the backport, given that the problem doesn't
exist with mainline.
Testcase:
Enable CONFIG_XFS_ONLINE_SCRUB and compile the kernel.
Note: bionic/linux doesn't have this config option enabled. The only
4.15 kernel with this config is bionic/linux-gcp, so it affects only
this kernel and its backport.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Fix Released
** Affects: linux-gcp (Ubuntu)
Importance: Undecided
Status: Fix Released
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: In Progress
** Affects: linux-gcp (Ubuntu Bionic)
Importance: Undecided
Status: In Progress
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Status: New => Invalid
** Changed in: linux (Ubuntu)
Status: Invalid => Fix Released
** Also affects: linux-gcp (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: Confirmed => In Progress
** Changed in: linux-gcp (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux-gcp (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1792393
Title:
Kernel 4.15.0-35.38 fails to build with CONFIG_XFS_ONLINE_SCRUB
enabled
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