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xfs: add a xattr_entry helper

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Add a helper to translate from the item list head to the attr_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 2024-02-22 12:44:22 -08:00
parent 8028411585
commit c75f1a2c15
1 changed files with 7 additions and 4 deletions
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11
fs/xfs/xfs_attr_item.c
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@ -391,6 +391,11 @@ xfs_attr_free_item(
kmem_cache_free(xfs_attr_intent_cache, attr);
}
static inline struct xfs_attr_intent *attri_entry(const struct list_head *e)
{
return list_entry(e, struct xfs_attr_intent, xattri_list);
}
/* Process an attr. */
STATIC int
xfs_attr_finish_item(
@ -399,11 +404,10 @@ xfs_attr_finish_item(
struct list_head *item,
struct xfs_btree_cur **state)
{
struct xfs_attr_intent *attr;
struct xfs_attr_intent *attr = attri_entry(item);
struct xfs_da_args *args;
int error;
attr = container_of(item, struct xfs_attr_intent, xattri_list);
args = attr->xattri_da_args;
/* Reset trans after EAGAIN cycle since the transaction is new */
@ -443,9 +447,8 @@ STATIC void
xfs_attr_cancel_item(
struct list_head *item)
{
struct xfs_attr_intent *attr;
struct xfs_attr_intent *attr = attri_entry(item);
attr = container_of(item, struct xfs_attr_intent, xattri_list);
xfs_attr_free_item(attr);
}