ceph: refactor readpage_nounlock() to make the logic clearer
If the return value of ceph_osdc_readpages() is not negative,
it is certainly greater than or equal to zero.
Remove the useless condition judgment and redundant braces.
Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Reviewed-by: Yan, Zheng <zheng.z.yan@intel.com>
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index b53278c..6aa2e3f 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -211,18 +211,15 @@
SetPageError(page);
ceph_fscache_readpage_cancel(inode, page);
goto out;
- } else {
- if (err < PAGE_CACHE_SIZE) {
- /* zero fill remainder of page */
- zero_user_segment(page, err, PAGE_CACHE_SIZE);
- } else {
- flush_dcache_page(page);
- }
}
- SetPageUptodate(page);
+ if (err < PAGE_CACHE_SIZE)
+ /* zero fill remainder of page */
+ zero_user_segment(page, err, PAGE_CACHE_SIZE);
+ else
+ flush_dcache_page(page);
- if (err >= 0)
- ceph_readpage_to_fscache(inode, page);
+ SetPageUptodate(page);
+ ceph_readpage_to_fscache(inode, page);
out:
return err < 0 ? err : 0;