xfs: formalize the process of holding onto resources across a defer roll

Transaction users are allowed to flag up to two buffers and two inodes
for ownership preservation across a deferred transaction roll.  Hoist
the variables and code responsible for this out of xfs_defer_trans_roll
so that we can use it for the defer capture mechanism.

Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Allison Henderson <[email protected]>

0 files changed, 0 insertions, 0 deletions