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authorMateusz Guzik <mjg@FreeBSD.org>2021-04-08 07:08:41 +0000
committerMateusz Guzik <mjg@FreeBSD.org>2021-04-08 11:14:45 +0000
commit72b3b5a941927f7a79611131f144eeb2dc9143c9 (patch)
tree8bd390ee58b3514203b9e2f48f897a8ab87168b5
parent4d9488674f3a36a2d12d11cad170cb1bd1c14a6d (diff)
downloadsrc-72b3b5a941927f7a79611131f144eeb2dc9143c9.tar.gz
src-72b3b5a941927f7a79611131f144eeb2dc9143c9.zip
vfs: replace vfs_smr_quiesce with vfs_smr_synchronize
This ends up using a smr specific method. Suggested by: markj Tested by: pho
-rw-r--r--sys/kern/vfs_cache.c12
-rw-r--r--sys/sys/vnode.h2
2 files changed, 7 insertions, 7 deletions
diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c
index c4b6fdd468db..8819ef483af5 100644
--- a/sys/kern/vfs_cache.c
+++ b/sys/kern/vfs_cache.c
@@ -2683,7 +2683,7 @@ cache_vnode_init(struct vnode *vp)
*
* This will force a fs lookup.
*
- * Synchronisation is done in 2 steps, calling vfs_smr_quiesce each time
+ * Synchronisation is done in 2 steps, calling vfs_smr_synchronize each time
* to observe all CPUs not performing the lookup.
*/
static void
@@ -2699,14 +2699,14 @@ cache_changesize_set_temp(struct nchashhead *temptbl, u_long temphash)
*/
atomic_store_long(&nchash, temphash);
atomic_thread_fence_rel();
- vfs_smr_quiesce();
+ vfs_smr_synchronize();
/*
* At this point everyone sees the updated hash value, but they still
* see the old table.
*/
atomic_store_ptr(&nchashtbl, temptbl);
atomic_thread_fence_rel();
- vfs_smr_quiesce();
+ vfs_smr_synchronize();
/*
* At this point everyone sees the updated table pointer and size pair.
*/
@@ -2729,14 +2729,14 @@ cache_changesize_set_new(struct nchashhead *new_tbl, u_long new_hash)
*/
atomic_store_ptr(&nchashtbl, new_tbl);
atomic_thread_fence_rel();
- vfs_smr_quiesce();
+ vfs_smr_synchronize();
/*
* At this point everyone sees the updated pointer value, but they
* still see the old size.
*/
atomic_store_long(&nchash, new_hash);
atomic_thread_fence_rel();
- vfs_smr_quiesce();
+ vfs_smr_synchronize();
/*
* At this point everyone sees the updated table pointer and size pair.
*/
@@ -3881,7 +3881,7 @@ cache_fplookup_lockout(void)
if (on) {
atomic_store_char(&cache_fast_lookup_enabled, false);
atomic_thread_fence_rel();
- vfs_smr_quiesce();
+ vfs_smr_synchronize();
}
}
diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
index 3bb6936a27b2..f45824e3dc89 100644
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -1112,7 +1112,7 @@ int vn_dir_check_exec(struct vnode *vp, struct componentname *cnp);
#define VFS_SMR() vfs_smr
#define vfs_smr_enter() smr_enter(VFS_SMR())
#define vfs_smr_exit() smr_exit(VFS_SMR())
-#define vfs_smr_quiesce() quiesce_all_critical()
+#define vfs_smr_synchronize() smr_synchronize(VFS_SMR())
#define vfs_smr_entered_load(ptr) smr_entered_load((ptr), VFS_SMR())
#define VFS_SMR_ASSERT_ENTERED() SMR_ASSERT_ENTERED(VFS_SMR())
#define VFS_SMR_ASSERT_NOT_ENTERED() SMR_ASSERT_NOT_ENTERED(VFS_SMR())