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authorJaegeuk Kim <jaegeuk@kernel.org>2015-02-07 05:53:45 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2015-02-12 04:04:46 +0300
commitaaf9607516ed38825268515ef4d773289a44f429 (patch)
treeef1396a64c9be29fbd0409cc2ac4e411eebec6ad /fs/f2fs
parent2e023174a88dd14eab30fae3a1f6c97f37eb3bb8 (diff)
downloadlinux-aaf9607516ed38825268515ef4d773289a44f429.tar.xz
f2fs: check node page contents all the time
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@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/node.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index ea22c3210c8a..1e354ff9f7d8 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;
}