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authorBrian Foster2018-08-01 07:20:31 -0700
committerDarrick J. Wong2018-08-02 23:05:13 -0700
commit1214f1cf663b0939fbb8f1bccdc74c1d1e452d53 (patch)
tree24a8b208cbfff610e5099eab6cdae0f474aad9df /security
parentce356d64772f920f26cd6c1b02878a737a275638 (diff)
xfs: replace dop_low with transaction flag
The dop_low field enables the low free space allocation mode when a previous allocation has detected difficulty allocating blocks. It has historically been part of the xfs_defer_ops structure, which means if enabled, it remains enabled across a set of transactions until the deferred operations have completed and the dfops is reset. Now that the dfops is embedded in the transaction, we can save a bit more space by using a transaction flag rather than a standalone boolean. Drop the ->dop_low field and replace it with a transaction flag that is set at the same points, carried across rolling transactions and cleared on completion of deferred operations. This essentially emulates the behavior of ->dop_low and so should not change behavior. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions