Fix for btrfs_find_free_objectid

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btrfs_find_free_objectid may return a used objectid due to arithmetic
underflow. This bug may happen when parameter 'root' is tree root,  so
it may cause serious problems when creating snapshot or sub-volume.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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Yan 2008-01-22 12:46:56 -05:00 • committed by Chris Mason

parent e18e4809b1

commit b17854275c

1 changed files with 1 additions and 3 deletions

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4

fs/btrfs/inode-map.c

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