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authorMarco Crivellari <marco.crivellari@suse.com>2025-09-16 10:29:05 +0200
committerChristian Brauner <brauner@kernel.org>2025-09-19 16:15:07 +0200
commit4ef64db060619be040351e3960e151e5fef3f895 (patch)
tree034d3698cec60ac633b5d06f16260caf14605e22 /fs/nfs/namespace.c
parent7a4f92d39f66f890cbb157dd4d7daf6a9298324a (diff)
fs: replace use of system_wq with system_percpu_wq
Currently if a user enqueue a work item using schedule_delayed_work() the used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to schedule_work() that is using system_wq and queue_work(), that makes use again of WORK_CPU_UNBOUND. This lack of consistentcy cannot be addressed without refactoring the API. system_wq is a per-CPU worqueue, yet nothing in its name tells about that CPU affinity constraint, which is very often not required by users. Make it clear by adding a system_percpu_wq to all the fs subsystem. The old wq will be kept for a few release cylces. Suggested-by: Tejun Heo <tj@kernel.org> Signed-off-by: Marco Crivellari <marco.crivellari@suse.com> Link: https://lore.kernel.org/20250916082906.77439-3-marco.crivellari@suse.com Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/nfs/namespace.c')
-rw-r--r--fs/nfs/namespace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 7f1ec9c67ff2..f9a3a1fbf44c 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -335,7 +335,7 @@ static int param_set_nfs_timeout(const char *val, const struct kernel_param *kp)
num *= HZ;
*((int *)kp->arg) = num;
if (!list_empty(&nfs_automount_list))
- mod_delayed_work(system_wq, &nfs_automount_task, num);
+ mod_delayed_work(system_percpu_wq, &nfs_automount_task, num);
} else {
*((int *)kp->arg) = -1*HZ;
cancel_delayed_work(&nfs_automount_task);