[LU-16888] Fix ptlrpc_gss automatic loading

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.16.0
• Labels: gss patch sec
• Severity: 3
• Assignee: Sebastien Buisson
• Reporter: Sebastien Buisson

Description

ptlrpc_gss kernel module is automatically loaded when a GSS security flavor is enforced. But this works only once, because loading success is stored in a static variable in the ptlrpc module. If ptlrpc_gss is manually unloaded, while keeping ptlrpc loaded, next mount attempt fails.

mgs# lctl conf_param testfs.srpc.flavor.default.cli2mdt=krb5n
client# mount -t lustre mgs@tcp:/testfs /mnt/testfs
client# umount /mnt/testfs
client# rmmod ptlrpc_gss
client# mount -t lustre mgs@tcp:/testfs /mnt/testfs
mount.lustre: mount mgs@tcp:/testfs at /mnt/testfs failed: Operation not permitted

Comments

[Peter Jones]

Landed for 2.16

[Gerrit Updater]

"Oleg Drokin <[e-mail]>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/51264/
Subject: LU-16888 gss: fix ptlrpc_gss automatic loading
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: b80d6defb7b018250ef4fafccff7c980aed6a444

[Gerrit Updater]

"Sebastien Buisson <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/51264
Subject: LU-16888 gss: fix ptlrpc_gss automatic loading
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 5cc8e6bb94d7a7514ecc10041848a74c4b4331a1