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authorBrian Foster <bfoster@redhat.com>2018-07-24 13:43:13 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2018-07-26 10:15:15 -0700
commitc8eac49ef798a7d00240847f63902caa1388241a (patch)
tree4decb579e8809ba64cf1114d40ca78ff6ccc202d /scripts
parent91ef75b6572498face47746c253926e733a4da3b (diff)
xfs: remove all boilerplate defer init/finish code
At this point, the transaction subsystem completely manages deferred items internally such that the common and boilerplate xfs_trans_alloc() -> xfs_defer_init() -> xfs_defer_finish() -> xfs_trans_commit() sequence can be replaced with a simple transaction allocation and commit. Remove all such boilerplate deferred ops code. In doing so, we change each case over to use the dfops in the transaction and specifically eliminate: - The on-stack dfops and associated xfs_defer_init() call, as the internal dfops is initialized on transaction allocation. - xfs_bmap_finish() calls that precede a final xfs_trans_commit() of a transaction. - xfs_defer_cancel() calls in error handlers that precede a transaction cancel. The only deferred ops calls that remain are those that are non-deterministic with respect to the final commit of the associated transaction or are open-coded due to special handling. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Bill O'Donnell <billodo@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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