Merge tag 'fix-fsmap-6.6_2023-09-12' of https://git.kernel.org/pub/scm/linux/kernel...

xfs: fix fsmap cursor handling

This patchset addresses an integer overflow bug that Dave Chinner found
in how fsmap handles figuring out where in the record set we left off
when userspace calls back after the first call filled up all the
designated record space.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
* tag 'fix-fsmap-6.6_2023-09-12' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux:
  xfs: fix an agbno overflow in __xfs_getfsmap_datadev