f2fs: do retry operations with cond_resched
This patch revists retrial paths in f2fs.
The basic idea is to use cond_resched instead of retrying from the very early
stage.
Suggested-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 9a33e34..c79d67e 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -179,13 +179,13 @@
struct f2fs_inode_info *fi = F2FS_I(inode);
struct inmem_pages *new;
int err;
-retry:
+
new = f2fs_kmem_cache_alloc(inmem_entry_slab, GFP_NOFS);
/* add atomic page indices to the list */
new->page = page;
INIT_LIST_HEAD(&new->list);
-
+retry:
/* increase reference count with clean state */
mutex_lock(&fi->inmem_lock);
err = radix_tree_insert(&fi->inmem_root, page->index, new);
@@ -195,7 +195,6 @@
return;
} else if (err) {
mutex_unlock(&fi->inmem_lock);
- kmem_cache_free(inmem_entry_slab, new);
goto retry;
}
get_page(page);