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xfs: add a ci_entry helper

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

Inspired-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2024-07-02 11:23:09 -07:00
parent e69682e5a1
commit 0e9254861f
1 changed files with 9 additions and 11 deletions
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20
fs/xfs/xfs_refcount_item.c
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@ -227,6 +227,11 @@ static const struct xfs_item_ops xfs_cud_item_ops = {
.iop_intent = xfs_cud_item_intent,
};
static inline struct xfs_refcount_intent *ci_entry(const struct list_head *e)
{
return list_entry(e, struct xfs_refcount_intent, ri_list);
}
/* Sort refcount intents by AG. */
static int
xfs_refcount_update_diff_items(
@ -234,11 +239,8 @@ xfs_refcount_update_diff_items(
const struct list_head *a,
const struct list_head *b)
{
struct xfs_refcount_intent *ra;
struct xfs_refcount_intent *rb;
ra = container_of(a, struct xfs_refcount_intent, ri_list);
rb = container_of(b, struct xfs_refcount_intent, ri_list);
struct xfs_refcount_intent *ra = ci_entry(a);
struct xfs_refcount_intent *rb = ci_entry(b);
return ra->ri_pag->pag_agno - rb->ri_pag->pag_agno;
}
@ -341,11 +343,9 @@ xfs_refcount_update_finish_item(
struct list_head *item,
struct xfs_btree_cur **state)
{
struct xfs_refcount_intent *ri;
struct xfs_refcount_intent *ri = ci_entry(item);
int error;
ri = container_of(item, struct xfs_refcount_intent, ri_list);
/* Did we run out of reservation? Requeue what we didn't finish. */
error = xfs_refcount_finish_one(tp, ri, state);
if (!error && ri->ri_blockcount > 0) {
@ -372,9 +372,7 @@ STATIC void
xfs_refcount_update_cancel_item(
struct list_head *item)
{
struct xfs_refcount_intent *ri;
ri = container_of(item, struct xfs_refcount_intent, ri_list);
struct xfs_refcount_intent *ri = ci_entry(item);
xfs_refcount_update_put_group(ri);
kmem_cache_free(xfs_refcount_intent_cache, ri);