In get_node_page, if the page is up-to-date, we assumed that the page was not
reclaimed at all.
But, sometimes it was reported that its contents was missing.
So, just for sure, let's check its mapping and contents.
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/node.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index ea22c32..1e354ff 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1036,11 +1036,11 @@ repeat:
err = read_node_page(page, READ_SYNC);
if (err < 0)
return ERR_PTR(err);
- else if (err == LOCKED_PAGE)
- goto got_it;
+ else if (err != LOCKED_PAGE)
+ lock_page(page);
- lock_page(page);
if (unlikely(!PageUptodate(page) || nid != nid_of_node(page))) {
+ ClearPageUptodate(page);
f2fs_put_page(page, 1);
return ERR_PTR(-EIO);
}
@@ -1048,7 +1048,6 @@ repeat:
f2fs_put_page(page, 1);
goto repeat;
}
-got_it:
return page;
}
--
2.1.1
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