3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Liu Bo <bo.li.liu@xxxxxxxxxx>
commit 5dca6eea91653e9949ce6eb9e9acab6277e2f2c4 upstream.
According to commit 865ffef3797da2cac85b3354b5b6050dc9660978
(fs: fix fsync() error reporting),
it's not stable to just check error pages because pages can be
truncated or invalidated, we should also mark mapping with error
flag so that a later fsync can catch the error.
Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
Signed-off-by: Chris Mason <clm@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/btrfs/extent_io.c | 2 ++
1 file changed, 2 insertions(+)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2361,6 +2361,8 @@ int end_extent_writepage(struct page *pa
if (!uptodate) {
ClearPageUptodate(page);
SetPageError(page);
+ ret = ret < 0 ? ret : -EIO;
+ mapping_set_error(page->mapping, ret);
}
return 0;
}
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