Whamcloud - gitweb
LU-18691 quota: quota interop check for 64k page clients 61/57961/6
authorShaun Tancheff <shaun.tancheff@hpe.com>
Fri, 7 Feb 2025 13:21:53 +0000 (20:21 +0700)
committerOleg Drokin <green@whamcloud.com>
Thu, 13 Mar 2025 17:07:27 +0000 (17:07 +0000)
commit262957eaef3daeeb4a1bf4f587d4d864fa8aaab1
treedbc64ab5f1738bb8f510b4501aaf38938da7f7f4
parentaf4b4b59f93b5300232a961c5be1b1807d5e6729
LU-18691 quota: quota interop check for 64k page clients

When hitting the end of available quota a race condition can be hit
which allows an 64k unaligned I/O to be submitted and causes the
node to hang indefinitely.

This happens when a partial write hits quota limits and a subsequent
write is not aligned on 64k page boundary triggering a hang due to
64k vs 4k page aligned transfers.

HPE-bug-id: LUS-12724
Test-Parameters: testlist=sanity-quota clientarch=ppc64le clientdistro=el8.9 serverdistro=el9.4 env=ONLY=88,ONLY_REPEAT=10
Test-Parameters: testlist=sanity-quota clientarch=ppc64le clientdistro=el8.9 serverdistro=el8.9 serverversion=2.15.4 env=ONLY=88,ONLY_REPEAT=10
Test-Parameters: testlist=sanity-quota clientarch=aarch64 clientdistro=el9.3 serverdistro=el8.10 env=ONLY=88,ONLY_REPEAT=10
Signed-off-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Change-Id: I0f8638062f8b0e57207695c45e1fccbd7492c32d
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/57961
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: xinliang <xinliang.liu@linaro.org>
Reviewed-by: Sergey Cheremencev <scherementsev@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
lustre/osc/osc_request.c
lustre/tests/sanity-quota.sh