Btrfs: Fix hole insertion corner cases

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There were a few places that could cause duplicate extent insertion,
this adjusts the code that creates holes to avoid it.

lookup_extent_map is changed to correctly return all of the extents in a
range, even when there are none matching at the start of the range.

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

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This commit is contained in:

Chris Mason 2008-01-22 16:47:59 -05:00

parent c1e32da616

commit 5f56406aab

4 changed files with 126 additions and 13 deletions

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1

fs/btrfs/ctree.h

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47

fs/btrfs/extent_map.c

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78

fs/btrfs/file.c

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15

fs/btrfs/inode.c

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