Baokun Li (4):
  ext4: add two helper functions fex_end() and pa_end()
  ext4: fix BUG in ext4_mb_new_inode_pa() due to overflow
  ext4: avoid overlapping preallocations due to overflow
  ext4: avoid prealloc space being skipped due to overflow

 fs/ext4/mballoc.c | 41 ++++++++++++++++++++---------------------
 fs/ext4/mballoc.h | 13 +++++++++++++
 2 files changed, 33 insertions(+), 21 deletions(-)

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2.31.1