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f2fs: check node page contents all the time

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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>
This commit is contained in:
Jaegeuk Kim 2015-02-06 18:53:45 -08:00
parent 2e023174a8
commit aaf9607516
1 changed files with 3 additions and 4 deletions
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7
fs/f2fs/node.c
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@ -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;
}