Btrfs: mark mapping with error flag to report errors to userspace
According to commit 865ffef379
(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@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
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parent
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@ -2367,6 +2367,8 @@ int end_extent_writepage(struct page *page, int err, u64 start, u64 end)
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if (!uptodate) {
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ClearPageUptodate(page);
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SetPageError(page);
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ret = ret < 0 ? ret : -EIO;
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mapping_set_error(page->mapping, ret);
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}
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return 0;
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}
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