From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/fs/ocfs2/aops.c | 18 ++++++++++++++++--
1 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/kernel/fs/ocfs2/aops.c b/kernel/fs/ocfs2/aops.c
index ad20403..9b23e74 100644
--- a/kernel/fs/ocfs2/aops.c
+++ b/kernel/fs/ocfs2/aops.c
@@ -1981,11 +1981,25 @@
}
if (unlikely(copied < len) && wc->w_target_page) {
+ loff_t new_isize;
+
if (!PageUptodate(wc->w_target_page))
copied = 0;
- ocfs2_zero_new_buffers(wc->w_target_page, start+copied,
- start+len);
+ new_isize = max_t(loff_t, i_size_read(inode), pos + copied);
+ if (new_isize > page_offset(wc->w_target_page))
+ ocfs2_zero_new_buffers(wc->w_target_page, start+copied,
+ start+len);
+ else {
+ /*
+ * When page is fully beyond new isize (data copy
+ * failed), do not bother zeroing the page. Invalidate
+ * it instead so that writeback does not get confused
+ * put page & buffer dirty bits into inconsistent
+ * state.
+ */
+ block_invalidatepage(wc->w_target_page, 0, PAGE_SIZE);
+ }
}
if (wc->w_target_page)
flush_dcache_page(wc->w_target_page);
--
Gitblit v1.6.2