提交 23cd573b 编写于 作者: Z Zhang Zhen 提交者: Yan, Zheng

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: NZhang Zhen <zhenzhang.zhang@huawei.com>
Reviewed-by: NYan, Zheng <zheng.z.yan@intel.com>
上级 ca665e02
......@@ -211,18 +211,15 @@ static int readpage_nounlock(struct file *filp, struct page *page)
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;
......
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