This matches the logic of ext4. I think it's more
correct passing (offset + len) to inode_newsize_ok() 
rather than rounding up to block size.
The call can be skipped in some cases too. It works for
me but I'm new to this code so I might miss something.
Let me know what you think.

Davide Italiano (1):
  Btrfs: Improve FL_KEEP_SIZE handling in fallocate.

 fs/btrfs/file.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

-- 
2.3.4

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