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Commit b6f3409b authored by Sage Weil's avatar Sage Weil Committed by Chris Mason
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Btrfs: reserve sufficient space for ioctl clone 



Fix a crash/BUG_ON in the clone ioctl due to insufficient reservation. We
need to reserve space for:

 - adjusting the old extent (possibly splitting it)
 - adding the new extent
 - updating the inode

Signed-off-by: default avatarSage Weil <sage@newdream.net>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent dde820fb
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