diff options
| author | Yihao Wu <[email protected]> | 2019-05-13 06:58:22 +0000 |
|---|---|---|
| committer | Anna Schumaker <[email protected]> | 2019-05-30 19:51:07 +0000 |
| commit | ba851a39c9703f09684a541885ed176f8fb7c868 (patch) | |
| tree | d3b3da1cb56a5fac1005fadccd3b391e7ab2ee76 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | NFSv4.1: Again fix a race where CB_NOTIFY_LOCK fails to wake a waiter (diff) | |
| download | kernel-ba851a39c9703f09684a541885ed176f8fb7c868.tar.gz kernel-ba851a39c9703f09684a541885ed176f8fb7c868.zip | |
NFSv4.1: Fix bug only first CB_NOTIFY_LOCK is handled
When a waiter is waked by CB_NOTIFY_LOCK, it will retry
nfs4_proc_setlk(). The waiter may fail to nfs4_proc_setlk() and sleep
again. However, the waiter is already removed from clp->cl_lock_waitq
when handling CB_NOTIFY_LOCK in nfs4_wake_lock_waiter(). So any
subsequent CB_NOTIFY_LOCK won't wake this waiter anymore. We should
put the waiter back to clp->cl_lock_waitq before retrying.
Cc: [email protected] #4.9+
Signed-off-by: Yihao Wu <[email protected]>
Reviewed-by: Jeff Layton <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
0 files changed, 0 insertions, 0 deletions