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Chris Mason c31f8830f0 Btrfs: online shrinking fixes
While shrinking the FS, the allocation functions need to make sure
they don't try to allocate bytes past the end of the FS.

nodatacow needed an extra check to force cows when the existing extents are
past the end of the FS.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 11:03:59 -04:00
fs/btrfs Btrfs: online shrinking fixes 2008-09-25 11:03:59 -04:00