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xfs: add a ri_entry helper

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Add a helper to translate from the item list head to the
rmap_intent_item structure and use it so shorten assignments
and avoid the need for extra local variables.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-07-02 11:23:01 -07:00 committed by Darrick J. Wong
parent c9099a28c2
commit f93963779b
1 changed files with 9 additions and 11 deletions
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20
fs/xfs/xfs_rmap_item.c
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@ -226,6 +226,11 @@ static const struct xfs_item_ops xfs_rud_item_ops = {
.iop_intent = xfs_rud_item_intent,
};
static inline struct xfs_rmap_intent *ri_entry(const struct list_head *e)
{
return list_entry(e, struct xfs_rmap_intent, ri_list);
}
/* Sort rmap intents by AG. */
static int
xfs_rmap_update_diff_items(
@ -233,11 +238,8 @@ xfs_rmap_update_diff_items(
const struct list_head *a,
const struct list_head *b)
{
struct xfs_rmap_intent *ra;
struct xfs_rmap_intent *rb;
ra = container_of(a, struct xfs_rmap_intent, ri_list);
rb = container_of(b, struct xfs_rmap_intent, ri_list);
struct xfs_rmap_intent *ra = ri_entry(a);
struct xfs_rmap_intent *rb = ri_entry(b);
return ra->ri_pag->pag_agno - rb->ri_pag->pag_agno;
}
@ -364,11 +366,9 @@ xfs_rmap_update_finish_item(
struct list_head *item,
struct xfs_btree_cur **state)
{
struct xfs_rmap_intent *ri;
struct xfs_rmap_intent *ri = ri_entry(item);
int error;
ri = container_of(item, struct xfs_rmap_intent, ri_list);
error = xfs_rmap_finish_one(tp, ri, state);
xfs_rmap_update_put_group(ri);
@ -389,9 +389,7 @@ STATIC void
xfs_rmap_update_cancel_item(
struct list_head *item)
{
struct xfs_rmap_intent *ri;
ri = container_of(item, struct xfs_rmap_intent, ri_list);
struct xfs_rmap_intent *ri = ri_entry(item);
xfs_rmap_update_put_group(ri);
kmem_cache_free(xfs_rmap_intent_cache, ri);