1 files changed, 4 insertions, 4 deletions

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 9b0628e0d8bc..e5d2ffa80b56 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -348,13 +348,13 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
                 goto skip_write;
 
         /* if locked failed, cp will flush dirty pages instead */
-        if (!mutex_trylock(&sbi->cp_mutex))
+        if (!down_write_trylock(&sbi->cp_global_sem))
                 goto skip_write;
 
         trace_f2fs_writepages(mapping->host, wbc, META);
         diff = nr_pages_to_write(sbi, META, wbc);
         written = f2fs_sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
-        mutex_unlock(&sbi->cp_mutex);
+        up_write(&sbi->cp_global_sem);
         wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
         return 0;
 
@@ -1572,7 +1572,7 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
                 f2fs_warn(sbi, "Start checkpoint disabled!");
         }
         if (cpc->reason != CP_RESIZE)
-                mutex_lock(&sbi->cp_mutex);
+                down_write(&sbi->cp_global_sem);
 
         if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
                 ((cpc->reason & CP_FASTBOOT) || (cpc->reason & CP_SYNC) ||
@@ -1647,7 +1647,7 @@ stop:
         trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
 out:
         if (cpc->reason != CP_RESIZE)
-                mutex_unlock(&sbi->cp_mutex);
+                up_write(&sbi->cp_global_sem);
         return err;
 }