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| author | Jeffle Xu <jefflexu@linux.alibaba.com> | 2022-04-02 18:32:50 +0800 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2022-07-21 16:02:45 +0200 |
| commit | 47e301491c4f52ca744c7660cf57492b902261f6 (patch) | |
| tree | 0c1a09487ed1591cb6d0fb1579179139f4ad4b8f | |
| parent | 2fdbb8dd01556e1501132b5ad3826e8f71e24a8b (diff) | |
| download | linux-stable-47e301491c4f52ca744c7660cf57492b902261f6.tar.gz linux-stable-47e301491c4f52ca744c7660cf57492b902261f6.tar.bz2 linux-stable-47e301491c4f52ca744c7660cf57492b902261f6.zip | |
fuse: avoid unnecessary spinlock bump
Move dmap free worker kicker inside the critical region, so that extra
spinlock lock/unlock could be avoided.
Suggested-by: Liu Jiang <gerry@linux.alibaba.com>
Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
| -rw-r--r-- | fs/fuse/dax.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c index 10eb50cbf398..e23e802a8013 100644 --- a/fs/fuse/dax.c +++ b/fs/fuse/dax.c @@ -138,9 +138,9 @@ static struct fuse_dax_mapping *alloc_dax_mapping(struct fuse_conn_dax *fcd) WARN_ON(fcd->nr_free_ranges <= 0); fcd->nr_free_ranges--; } + __kick_dmap_free_worker(fcd, 0); spin_unlock(&fcd->lock); - kick_dmap_free_worker(fcd, 0); return dmap; } |