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xfs: factor out a xfs_defer_create_intent helper

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commit e046e949486ec92d83b2ccdf0e7e9144f74ef028 upstream.

Create a helper that encapsulates the whole logic to create a defer
intent.  This reorders some of the work that was done, but none of
that has an affect on the operation as only fields that don't directly
interact are affected.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christoph Hellwig 2023-02-16 10:49:58 +05:30 committed by Greg Kroah-Hartman
parent d24633f3c2
commit 64b21eaa33
1 changed files with 23 additions and 16 deletions
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39
fs/xfs/libxfs/xfs_defer.c
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@ -178,6 +178,23 @@ static const struct xfs_defer_op_type *defer_op_types[] = {
[XFS_DEFER_OPS_TYPE_AGFL_FREE] = &xfs_agfl_free_defer_type,
};
static void
xfs_defer_create_intent(
struct xfs_trans *tp,
struct xfs_defer_pending *dfp,
bool sort)
{
const struct xfs_defer_op_type *ops = defer_op_types[dfp->dfp_type];
struct list_head *li;
if (sort)
list_sort(tp->t_mountp, &dfp->dfp_work, ops->diff_items);
dfp->dfp_intent = ops->create_intent(tp, dfp->dfp_count);
list_for_each(li, &dfp->dfp_work)
ops->log_item(tp, dfp->dfp_intent, li);
}
/*
* For each pending item in the intake list, log its intent item and the
* associated extents, then add the entire intake list to the end of
@ -187,17 +204,11 @@ STATIC void
xfs_defer_create_intents(
struct xfs_trans *tp)
{
struct list_head *li;
struct xfs_defer_pending *dfp;
const struct xfs_defer_op_type *ops;
list_for_each_entry(dfp, &tp->t_dfops, dfp_list) {
ops = defer_op_types[dfp->dfp_type];
dfp->dfp_intent = ops->create_intent(tp, dfp->dfp_count);
trace_xfs_defer_create_intent(tp->t_mountp, dfp);
list_sort(tp->t_mountp, &dfp->dfp_work, ops->diff_items);
list_for_each(li, &dfp->dfp_work)
ops->log_item(tp, dfp->dfp_intent, li);
xfs_defer_create_intent(tp, dfp, true);
}
}
@ -427,17 +438,13 @@ xfs_defer_finish_noroll(
}
if (error == -EAGAIN) {
/*
* Caller wants a fresh transaction, so log a
* new log intent item to replace the old one
* and roll the transaction. See "Requesting
* a Fresh Transaction while Finishing
* Deferred Work" above.
* Caller wants a fresh transaction, so log a new log
* intent item to replace the old one and roll the
* transaction. See "Requesting a Fresh Transaction
* while Finishing Deferred Work" above.
*/
dfp->dfp_intent = ops->create_intent(*tp,
dfp->dfp_count);
dfp->dfp_done = NULL;
list_for_each(li, &dfp->dfp_work)
ops->log_item(*tp, dfp->dfp_intent, li);
xfs_defer_create_intent(*tp, dfp, false);
} else {
/* Done with the dfp, free it. */
list_del(&dfp->dfp_list);