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btrfs: tree_search, copy_to_sk: return needed size on EOVERFLOW
authorGerhard Heift <gerhard@heift.name>
Thu, 30 Jan 2014 15:24:00 +0000 (16:24 +0100)
committerChris Mason <clm@fb.com>
Fri, 13 Jun 2014 01:21:47 +0000 (18:21 -0700)
If an item in tree_search is too large to be stored in the given buffer, return
the needed size (including the header).

Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>

No differences found
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