[Virtio-fs] [PATCH 3/6] fuse: Do cond_resched() if we can't get inode lock

[Vivek Goyal]

cond_resched() might be better as opposed

Signed-off-by: Vivek Goyal <vgo...@redhat.com>
---
 fs/fuse/file.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 6e351fed6d65..fc40e0f44578 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -4167,7 +4167,7 @@ static int try_to_free_dmap_chunks(struct fuse_conn *fc,
                                   unsigned long nr_to_free)
 {
        struct fuse_dax_mapping *dmap, *pos, *temp;
-       int ret, nr_freed = 0, nr_eagain = 0;
+       int ret, nr_freed = 0;
        u64 dmap_start = 0, window_offset = 0;
        struct inode *inode = NULL;

@@ -4176,12 +4176,6 @@ static int try_to_free_dmap_chunks(struct fuse_conn *fc,
                if (nr_freed >= nr_to_free)
                        break;

-               if (nr_eagain > 20) {
-                       queue_delayed_work(system_long_wq, &fc->dax_free_work,
-                                               msecs_to_jiffies(10));
-                       return 0;
-               }
-
                dmap = NULL;
                spin_lock(&fc->lock);

@@ -4225,7 +4219,7 @@ static int try_to_free_dmap_chunks(struct fuse_conn *fc,

                /* Could not get inode lock. Try next element */
                if (ret == -EAGAIN) {
-                       nr_eagain++;
+                       cond_resched();
                        continue;
                }
                nr_freed++;
-- 
2.20.1