Btrfs: fix btrfs_prev_leaf() previous key computation

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If we decrement the key type, we must reset its offset to the largest
possible offset (u64)-1. If we decrement the key's objectid, then we
must reset the key's type and offset to their largest possible values,
(u8)-1 and (u64)-1 respectively. Not doing so can make us miss an
items in the tree.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

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Filipe David Borba Manana 2013-10-15 00:12:27 +01:00 • committed by Chris Mason

parent e93ae26fe1

commit e8b0d724d5

1 changed files with 8 additions and 4 deletions

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fs/btrfs/ctree.c

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